21227888640

Names of 21227888640

• Cardinal: 21227888640 can be written as Twenty-one billion, two hundred twenty-seven million, eight hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.122788864 × 10¹⁰

Factors of 21227888640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 106

Divisors of 21227888640

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 23 24 28 29 30 32 35 37 40 42 46 48 56 58 60 64 69 70 74 80 84 87 92 96 105 111 112 115 116 120 128 138 140 145 148 160 161 168 174 184 185 192 203 210 222 224 230 232 240 256 259 276 280 290 296 320 322 336 345 348 368 370 384 406 420 435 444 448 460 464 480 483 512 518 552 555 560 580 592 609 640 644 667 672 690 696 736 740 768 777 805 812 840 851 870 888 896 920 928 960 966 1015 1024 1036 1073 1104 1110 1120 1160 1184 1218 1280 1288 1295 1334 1344 1380 1392 1472 1480 1536 1554 1610 1624 1680 1702 1740 1776 1792 1840 1856 1920 1932 2001 2030 2048 2072 2146 2208 2220 2240 2320 2368 2415 2436 2553 2560 2576 2590 2668 2688 2760 2784 2944 2960 3045 3072 3108 3219 3220 3248 3335 3360 3404 3480 3552 3584 3680 3712 3840 3864 3885 4002 4060 4096 4144 4255 4292 4416 4440 4480 4640 4669 4736 4830 4872 5106 5120 5152 5180 5336 5365 5376 5520 5568 5888 5920 5957 6090 6144 6216 6438 6440 6496 6670 6720 6808 6960 7104 7168 7360 7424 7511 7680 7728 7770 8004 8120 8192 8288 8510 8584 8832 8880 8960 9280 9338 9472 9660 9744 10005 10212 10240 10304 10360 10672 10730 10752 11040 11136 11776 11840 11914 12180 12288 12432 12765 12876 12880 12992 13340 13440 13616 13920 14007 14208 14336 14720 14848 15022 15360 15456 15540 16008 16095 16240 16576 17020 17168 17664 17760 17871 17920 18560 18676 18944 19320 19488 20010 20424 20480 20608 20720 21344 21460 21504 22080 22272 22533 23345 23552 23680 23828 24360 24576 24679 24864 25530 25752 25760 25984 26680 26880 27232 27840 28014 28416 28672 29440 29696 29785 30044 30720 30912 31080 32016 32190 32480 33152 34040 34336 35328 35520 35742 35840 37120 37352 37555 37888 38640 38976 40020 40848 40960 41216 41440 42688 42920 43008 44160 44544 45066 46690 47104 47360 47656 48720 49358 49728 51060 51504 51520 51968 53360 53760 54464 55680 56028 56832 57344 58880 59392 59570 60088 61440 61824 62160 64032 64380 64960 66304 68080 68672 70035 70656 71040 71484 71680 74037 74240 74704 75110 75776 77280 77952 80040 81696 82432 82880 85376 85840 86016 88320 89088 89355 90132 93380 94208 94720 95312 97440 98716 99456 102120 103008 103040 103936 106720 107520 108928 111360 112056 112665 113664 117760 118784 119140 120176 122880 123395 123648 124320 128064 128760 129920 132608 136160 137344 140070 141312 142080 142968 143360 148074 148480 149408 150220 151552 154560 155904 160080 163392 164864 165760 170752 171680 172032 172753 176640 178176 178710 180264 186760 188416 189440 190624 194880 197432 198912 204240 206016 206080 207872 213440 215040 217856 222720 224112 225330 227328 235520 237568 238280 240352 246790 247296 248640 256128 257520 259840 265216 272320 274688 280140 282624 284160 285936 286720 296148 296960 298816 300440 303104 309120 311808 320160 326784 329728 331520 341504 343360 345506 353280 356352 357420 360528 370185 373520 378880 381248 389760 394864 397824 408480 412032 412160 415744 426880 430080 435712 445440 448224 450660 454656 471040 476560 480704 493580 494592 497280 512256 515040 518259 519680 530432 544640 549376 560280 565248 568320 571872 592296 593920 597632 600880 618240 623616 640320 653568 659456 663040 683008 686720 691012 706560 712704 714840 721056 740370 747040 757760 762496 779520 789728 795648 816960 824064 824320 831488 853760 860160 863765 871424 890880 896448 901320 909312 942080 953120 961408 987160 989184 994560 1024512 1030080 1036518 1039360 1060864 1089280 1098752 1120560 1136640 1143744 1184592 1187840 1195264 1201760 1236480 1247232 1280640 1307136 1318912 1326080 1366016 1373440 1382024 1413120 1429680 1442112 1480740 1494080 1515520 1524992 1559040 1579456 1591296 1633920 1648128 1648640 1662976 1707520 1727530 1742848 1781760 1792896 1802640 1906240 1922816 1974320 1978368 1989120 2049024 2060160 2073036 2078720 2121728 2178560 2197504 2241120 2273280 2287488 2369184 2390528 2403520 2472960 2494464 2561280 2591295 2614272 2652160 2732032 2746880 2764048 2826240 2859360 2884224 2961480 2988160 3049984 3118080 3158912 3182592 3267840 3296256 3297280 3415040 3455060 3485696 3563520 3585792 3605280 3812480 3845632 3948640 3956736 3978240 4098048 4120320 4146072 4157440 4357120 4395008 4482240 4546560 4574976 4738368 4781056 4807040 4945920 4988928 5122560 5182590 5228544 5304320 5464064 5493760 5528096 5718720 5768448 5922960 5976320 6099968 6236160 6317824 6365184 6535680 6592512 6594560 6830080 6910120 6971392 7171584 7210560 7624960 7691264 7897280 7956480 8196096 8240640 8292144 8314880 8714240 8790016 8964480 9149952 9476736 9562112 9614080 9891840 10245120 10365180 10457088 10608640 10987520 11056192 11437440 11536896 11845920 11952640 12199936 12472320 12635648 13071360 13185024 13660160 13820240 14343168 14421120 15249920 15382528 15794560 15912960 16392192 16481280 16584288 17428480 17928960 18299904 18953472 19124224 19228160 19783680 20490240 20730360 20914176 21975040 22112384 22874880 23073792 23691840 23905280 24399872 24944640 25271296 26142720 26370048 27320320 27640480 28686336 28842240 30499840 30765056 31589120 31825920 32962560 33168576 34856960 35857920 36599808 37906944 38248448 38456320 40980480 41460720 43950080 44224768 45749760 46147584 47383680 47810560 48799744 50542592 52285440 55280960 57372672 57684480 60999680 61530112 63178240 65925120 66337152 71715840 73199616 75813888 76912640 81960960 82921440 88449536 91499520 92295168 94767360 95621120 101085184 104570880 110561920 114745344 115368960 121999360 126356480 131850240 132674304 143431680 146399232 151627776 153825280 165842880 176899072 182999040 184590336 189534720 191242240 202170368 221123840 230737920 243998720 252712960 265348608 286863360 303255552 307650560 331685760 353798144 365998080 379069440 442247680 461475840 505425920 530697216 573726720 606511104 663371520 707596288 731996160 758138880 884495360 922951680 1010851840 1061394432 1326743040 1415192576 1516277760 1768990720 2122788864 2653486080 3032555520 3537981440 4245577728 5306972160 7075962880 10613944320 21227888640
• Sum of all divisors σ(n): 86061864960
• Sum of proper divisors (its aliquot sum) s(n): 64833976320
• 21227888640 is an abundant number, because the sum of its proper divisors (64833976320) is greater than itself. Its abundance is 43606087680

Bases of 21227888640

• Binary: 10011110001010001111110000000000000₂
• Hexadecimal: 0x4F147E000
• Base-36: 9R2JBPC

Squares and roots of 21227888640

• 21227888640 squared (21227888640²) is 450623256112241049600
• 21227888640 cubed (21227888640³) is 9565780299344852341745516544000
• The square root of 21227888640 is 145697.9362928659
• The cube root of 21227888640 is 2768.8680939665

Scales and comparisons

• 21,227,888,640 seconds is equal to 674 years, 51 weeks, 3 hours, 44 minutes.
• To count from 1 to 21,227,888,640 would take you about one thousand, three hundred forty-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 21227888640 cubic inches would be around 230.7 feet tall.

Recreational maths with 21227888640

• 21227888640 backwards is 04688872212
• 21227888640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21227888640's digits is 48
• More coming soon!