21849799440

Names of 21849799440

• Cardinal: 21849799440 can be written as Twenty-one billion, eight hundred forty-nine million, seven hundred ninety-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.184979944 × 10¹⁰

Factors of 21849799440

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 154

Divisors of 21849799440

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 23 24 28 29 30 31 34 35 37 40 42 46 48 51 56 58 60 62 68 69 70 74 80 84 85 87 92 93 102 105 111 112 115 116 119 120 124 136 138 140 145 148 155 161 168 170 174 184 185 186 203 204 210 217 222 230 232 238 240 248 255 259 272 276 280 290 296 310 322 336 340 345 348 357 368 370 372 391 406 408 420 434 435 444 460 464 465 476 483 493 496 510 518 527 552 555 560 580 592 595 609 620 629 644 651 667 680 690 696 713 714 740 744 777 782 805 812 816 840 851 868 870 888 899 920 930 952 966 986 1015 1020 1036 1054 1073 1085 1104 1110 1147 1160 1173 1190 1218 1240 1258 1288 1295 1302 1334 1360 1380 1392 1426 1428 1479 1480 1488 1554 1564 1581 1610 1624 1680 1702 1736 1740 1776 1785 1798 1840 1860 1887 1904 1932 1955 1972 2001 2030 2040 2072 2108 2139 2146 2170 2220 2294 2320 2346 2380 2415 2436 2465 2480 2516 2553 2576 2590 2604 2635 2668 2697 2737 2760 2852 2856 2958 2960 3045 3108 3128 3145 3162 3219 3220 3248 3255 3335 3404 3441 3451 3472 3480 3565 3570 3596 3689 3720 3774 3864 3885 3910 3944 4002 4060 4080 4144 4216 4255 4278 4292 4340 4403 4440 4495 4588 4669 4692 4760 4830 4872 4930 4991 5032 5106 5180 5208 5270 5336 5365 5394 5474 5520 5704 5712 5735 5865 5916 5957 6090 6216 6256 6290 6293 6324 6438 6440 6510 6670 6808 6882 6902 6960 7130 7140 7192 7378 7395 7440 7511 7548 7728 7770 7820 7888 7905 8004 8029 8120 8211 8432 8510 8556 8584 8680 8806 8880 8990 9176 9338 9384 9435 9520 9660 9744 9860 9982 10005 10064 10212 10353 10360 10416 10540 10672 10695 10730 10788 10948 11067 11339 11408 11470 11730 11832 11914 12121 12180 12432 12580 12586 12648 12765 12876 12880 13020 13209 13340 13485 13616 13685 13764 13804 14007 14260 14280 14384 14467 14756 14790 14973 15022 15096 15283 15540 15640 15810 16008 16058 16095 16240 16422 17020 17112 17168 17205 17255 17360 17612 17871 17980 18241 18352 18445 18676 18768 18870 18879 19320 19499 19720 19964 20010 20424 20677 20706 20720 21080 21390 21460 21576 21896 22015 22134 22533 22678 22940 23345 23460 23664 23828 24087 24242 24360 24679 24955 25160 25172 25296 25530 25752 26040 26381 26418 26680 26970 27370 27528 27608 28014 28520 28560 28934 29512 29580 29785 29946 30044 30192 30566 31080 31280 31465 31620 32016 32116 32190 32844 33263 34017 34040 34224 34410 34510 35224 35742 35960 36363 36482 36890 37352 37555 37740 37758 38640 38998 39440 39928 40020 40145 40848 41055 41354 41412 42160 42780 42920 43152 43401 43792 44030 44268 45066 45356 45849 45880 46690 46920 47656 48174 48484 48720 49358 49910 50320 50344 51060 51504 51765 52080 52762 52836 53360 53940 54723 54740 55056 55216 55335 56028 56695 57040 57868 58497 59024 59160 59570 59892 60088 60605 61132 62031 62160 62930 63240 64232 64380 65688 66045 66526 68034 68080 68820 69020 70035 70448 71484 71920 72335 72726 72964 73780 74037 74704 74865 75110 75480 75516 76415 77996 79143 79373 79856 80040 80290 82110 82708 82824 84847 85560 85840 86802 88060 88536 89355 90132 90712 91205 91698 91760 93380 93840 94395 95312 96348 96968 97495 98716 99789 99820 100688 101269 102120 103385 103530 105524 105672 106981 107880 109446 109480 110670 112056 112665 113390 115736 116994 118320 119140 119784 120176 120435 121210 122264 123395 124062 125860 126480 127687 128464 128760 131376 131905 132090 133052 136068 136493 137640 138040 140070 142968 144670 144739 145452 145928 147560 148074 149730 150220 150960 151032 152830 155992 158286 158746 160080 160580 164220 165416 165648 166315 169694 170085 171120 172753 173604 176120 177072 178710 180264 181424 181815 182410 183396 184667 186760 188790 192696 193936 194990 197432 199578 199640 202538 204240 206770 207060 211048 211344 213962 215760 217005 218892 218960 221340 224112 225330 226780 229245 231472 232841 233988 238119 238280 239568 240870 242420 244528 246790 248124 251720 254541 255374 257520 263810 264180 266104 272136 272986 273615 275280 276080 280140 285936 289340 289478 290904 291856 292485 295120 296148 299460 300440 302064 303807 305660 310155 311984 316572 317492 320943 321160 328440 330832 332630 339388 340170 345506 347208 351509 352240 357420 360528 363630 364820 366792 369334 370185 373520 377580 383061 385392 389980 394864 395715 396865 399156 399280 405076 409479 413540 414120 419543 422096 424235 427924 434010 434217 437784 442680 448477 450660 453560 458490 465682 467976 476238 476560 481740 484840 493580 496248 498945 503440 506345 509082 510748 518259 527620 528360 532208 534905 544272 545972 547230 554001 560280 565471 578680 578956 581808 584970 592296 598920 600880 607614 611320 620310 633144 634984 638435 641886 642320 656880 665260 678776 680340 682465 691012 694416 698523 703018 714840 723695 727260 729640 733584 738668 740370 755160 765049 766122 779960 791430 793730 798312 810152 818958 827080 828240 839086 848470 855848 863765 868020 868434 875568 885360 896954 901320 907120 916980 923335 931364 935952 952476 963480 969680 987160 992496 997890 1012690 1018164 1021496 1036518 1054527 1055240 1056720 1069810 1091944 1094460 1108002 1120560 1130942 1157360 1157912 1164205 1169940 1184592 1190595 1197840 1215228 1222640 1240620 1258629 1266288 1269968 1272705 1276870 1283772 1330520 1345431 1357552 1360680 1364930 1382024 1397046 1406036 1429680 1447390 1454520 1459280 1477336 1480740 1510320 1519035 1530098 1532244 1559920 1582860 1587460 1596624 1604715 1620304 1637916 1654160 1678172 1696413 1696940 1711696 1727530 1736040 1736868 1757545 1793908 1802640 1833960 1846670 1862728 1904952 1915305 1926960 1974320 1995780 2025380 2036328 2042992 2047395 2073036 2097715 2109054 2110480 2139620 2171085 2183888 2188920 2216004 2242385 2261884 2295147 2315824 2328410 2339880 2381190 2430456 2460563 2481240 2517258 2545410 2553740 2567544 2591295 2661040 2690862 2721360 2729860 2764048 2770005 2794092 2812072 2827355 2894780 2909040 2936801 2954672 2961480 3038070 3060196 3064488 3139339 3165720 3174920 3209430 3275832 3356344 3392826 3393880 3455060 3472080 3473736 3492615 3515090 3587816 3667920 3693340 3725456 3809904 3825245 3830610 3958297 3991560 4050760 4072656 4094790 4146072 4195430 4218108 4279240 4342170 4377840 4432008 4484770 4523768 4590294 4656820 4679760 4762380 4860912 4921126 4962480 5034516 5090820 5107480 5135088 5182590 5272635 5355343 5381724 5459720 5540010 5588184 5624144 5654710 5789560 5873602 5922960 6076140 6120392 6128976 6278678 6293145 6331440 6349840 6418860 6551664 6712688 6727155 6785652 6787760 6910120 6947472 6985230 7030180 7175632 7381689 7386680 7650490 7661220 7916594 7983120 8101520 8189580 8292144 8390860 8436216 8482065 8558480 8684340 8810403 8864016 8969540 9047536 9180588 9313640 9418017 9524760 9842252 10069032 10181640 10214960 10365180 10545270 10710686 10763448 10919440 11080020 11176368 11309420 11475735 11579120 11747204 11874891 12152280 12240784 12302815 12557356 12586290 12837720 13005833 13454310 13571304 13820240 13970460 14060360 14684005 14763378 14773360 15300980 15322440 15696695 15833188 16066029 16379160 16781720 16872432 16964130 17368680 17620806 17939080 18361176 18627280 18836034 19049520 19684504 19791485 20138064 20363280 20730360 21090540 21421372 21526896 22160040 22618840 22951470 23494408 23749782 24304560 24605630 25114712 25172580 25675440 26011666 26776715 26908620 27142608 27940920 28120720 29368010 29526756 30601960 30644880 31393390 31666376 32132058 32758320 33563440 33928260 34737360 35241612 35878160 36722352 36908445 37672068 39017499 39369008 39582970 41460720 42181080 42842744 44052015 44320080 45237680 45902940 46988816 47090085 47499564 49211260 50229424 50345160 52023332 53553430 53817240 55881840 58736020 59053512 59374455 61203920 62786780 63332752 64264116 65029165 67856520 70483224 73816890 75344136 78034998 79165940 80330145 84362160 85685488 88104030 91040831 91805880 94180170 94999128 98422520 100690320 104046664 107106860 107634480 117472040 118107024 118748910 125573560 128528232 130058330 135713040 140966448 147633780 150688272 156069996 158331880 160660290 176208060 182081662 183611760 188360340 189998256 195087495 196845040 208093328 214213720 234944080 237497820 251147120 257056464 260116660 273122493 295267560 312139992 316663760 321320580 352416120 364163324 376720680 390174990 428427440 455204155 474995640 520233320 546244986 590535120 624279984 642641160 704832240 728326648 753441360 780349980 910408310 949991280 1040466640 1092489972 1285282320 1365612465 1456653296 1560699960 1820816620 2184979944 2731224930 3121399920 3641633240 4369959888 5462449860 7283266480 10924899720 21849799440
• Sum of all divisors σ(n): 93799710720
• Sum of proper divisors (its aliquot sum) s(n): 71949911280
• 21849799440 is an abundant number, because the sum of its proper divisors (71949911280) is greater than itself. Its abundance is 50100111840

Bases of 21849799440

• Binary: 10100010110010110010111101100010000₂
• Hexadecimal: 0x516597B10
• Base-36: A1CT15C

Squares and roots of 21849799440

• 21849799440 squared (21849799440²) is 477413735568224313600
• 21849799440 cubed (21849799440³) is 10431394372066895689091664384000
• The square root of 21849799440 is 147816.7765850683
• The cube root of 21849799440 is 2795.6479772779

Scales and comparisons

• 21,849,799,440 seconds is equal to 694 years, 39 weeks, 2 days, 4 hours, 44 minutes.
• To count from 1 to 21,849,799,440 would take you about one thousand, three hundred eighty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21849799440 cubic inches would be around 233 feet tall.

Recreational maths with 21849799440

• 21849799440 backwards is 04499794812
• The number of decimal digits it has is: 11
• The sum of 21849799440's digits is 57
• More coming soon!