21949012800

Names of 21949012800

• Cardinal: 21949012800 can be written as Twenty-one billion, nine hundred forty-nine million, twelve thousand, eight hundred.

Scientific notation

• Scientific notation: 2.19490128 × 10¹⁰

Factors of 21949012800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 70

Divisors of 21949012800

• Number of divisors d(n): 2016
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 17 18 19 20 22 24 25 26 27 30 32 33 34 36 38 39 40 44 45 48 50 51 52 54 55 57 60 64 65 66 68 72 75 76 78 80 85 88 90 95 96 99 100 102 104 108 110 114 117 120 121 130 132 135 136 143 144 150 152 153 156 160 165 170 171 176 180 187 190 192 195 198 200 204 208 209 216 220 221 225 228 234 240 242 247 255 260 264 270 272 275 285 286 288 297 300 304 306 312 320 323 325 330 340 342 351 352 360 363 374 380 390 396 400 408 416 418 425 429 432 440 442 450 456 459 468 475 480 484 494 495 510 513 520 528 540 544 550 561 570 572 576 585 594 600 605 608 612 624 627 646 650 660 663 675 680 684 702 704 715 720 726 741 748 760 765 780 792 800 816 825 832 836 850 855 858 864 880 884 900 912 918 935 936 950 960 968 969 975 988 990 1020 1026 1040 1045 1056 1080 1088 1089 1100 1105 1122 1140 1144 1170 1188 1200 1210 1216 1224 1235 1248 1254 1275 1287 1292 1300 1320 1326 1350 1360 1368 1404 1425 1430 1440 1452 1482 1485 1496 1520 1530 1560 1573 1584 1600 1615 1632 1650 1672 1683 1700 1710 1716 1728 1755 1760 1768 1800 1815 1824 1836 1870 1872 1881 1900 1936 1938 1950 1976 1980 1989 2040 2052 2057 2080 2090 2112 2145 2160 2178 2200 2210 2223 2244 2280 2288 2295 2299 2340 2376 2400 2420 2431 2448 2470 2475 2496 2508 2550 2565 2574 2584 2600 2640 2652 2700 2717 2720 2736 2805 2808 2850 2860 2880 2904 2907 2925 2964 2970 2992 3025 3040 3060 3120 3135 3146 3168 3230 3264 3267 3300 3315 3344 3366 3400 3420 3432 3510 3520 3536 3553 3575 3600 3630 3648 3672 3705 3740 3744 3762 3800 3825 3861 3872 3876 3900 3952 3960 3978 4080 4104 4114 4160 4180 4199 4275 4290 4320 4356 4400 4420 4446 4488 4560 4576 4590 4598 4675 4680 4719 4752 4800 4840 4845 4862 4896 4940 4950 5016 5049 5100 5130 5148 5168 5200 5225 5280 5304 5400 5434 5440 5445 5472 5525 5610 5616 5643 5700 5720 5808 5814 5850 5928 5940 5967 5984 6050 6080 6120 6171 6175 6240 6270 6292 6336 6435 6460 6534 6600 6630 6669 6688 6732 6800 6840 6864 6897 7020 7072 7106 7150 7200 7260 7293 7344 7410 7425 7480 7488 7524 7600 7650 7722 7744 7752 7800 7865 7904 7920 7956 8075 8151 8160 8208 8228 8360 8398 8415 8550 8580 8640 8712 8721 8775 8800 8840 8892 8976 9075 9120 9152 9180 9196 9350 9360 9405 9438 9504 9680 9690 9724 9792 9880 9900 9945 10032 10098 10200 10260 10285 10296 10336 10400 10450 10560 10608 10659 10725 10800 10868 10890 10944 11050 11115 11220 11232 11286 11400 11440 11475 11495 11616 11628 11700 11856 11880 11934 11968 12100 12155 12240 12342 12350 12480 12540 12584 12597 12825 12870 12920 13068 13200 13260 13338 13376 13464 13585 13600 13680 13728 13794 14025 14040 14144 14157 14212 14300 14400 14520 14535 14586 14688 14820 14850 14960 15048 15200 15300 15444 15504 15600 15675 15730 15808 15840 15912 16150 16302 16320 16335 16416 16456 16575 16720 16796 16830 17100 17160 17424 17442 17550 17600 17680 17765 17784 17952 18150 18240 18360 18392 18513 18525 18700 18720 18810 18876 19008 19305 19360 19380 19448 19760 19800 19890 20064 20196 20400 20520 20570 20592 20672 20691 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40646320 41570100 42209640 42785600 43037280 44341440 44431200 45349200 45727110 46208448 46899600 47819200 48133800 48775584 49658400 49884120 50807900 51163200 51644736 52509600 52762050 53796600 54872532 55426800 56279520 57760560 58687200 60465600 60969480 62355150 62532800 64178400 64555920 66512160 67535424 67953600 68590665 70349400 71728800 72200700 73163376 73902400 76211850 76744800 77014080 79814592 80694900 81292640 83140200 84419280 86074560 88862400 90698400 91454220 93799200 96267600 97551168 99316800 99768240 101615800 105019200 105524100 107593200 109745064 110853600 112559040 114317775 115521120 117374400 121938960 124710300 128356800 129111840 133024320 137181330 140698800 143457600 144401400 146326752 152423700 153489600 161389800 162585280 166280400 168838560 181396800 182908440 187598400 192535200 199536480 203231600 211048200 215186400 219490128 221707200 228635550 231042240 243877920 249420600 258223680 274362660 281397600 288802800 292653504 304847400 322779600 332560800 337677120 342953325 365816880 385070400 399072960 406463200 422096400 430372800 438980256 457271100 487755840 498841200 548725320 562795200 577605600 609694800 645559200 665121600 685906650 731633760 812926400 844192800 877960512 914542200 997682400 1097450640 1155211200 1219389600 1291118400 1371813300 1463267520 1688385600 1829084400 1995364800 2194901280 2438779200 2743626600 3658168800 4389802560 5487253200 7316337600 10974506400 21949012800
• Sum of all divisors σ(n): 105561993600
• Sum of proper divisors (its aliquot sum) s(n): 83612980800
• 21949012800 is an abundant number, because the sum of its proper divisors (83612980800) is greater than itself. Its abundance is 61663968000

Bases of 21949012800

• Binary: 10100011100010000110101101101000000₂
• Hexadecimal: 0x51C435B40
• Base-36: A2ZVIO0

Squares and roots of 21949012800

• 21949012800 squared (21949012800²) is 481759162894563840000
• 21949012800 cubed (21949012800³) is 10574138032890066774577152000000
• The square root of 21949012800 is 148151.9922242021
• The cube root of 21949012800 is 2799.8729874359

Scales and comparisons

• 21,949,012,800 seconds is equal to 697 years, 47 weeks, 2 days, 12 hours.
• To count from 1 to 21,949,012,800 would take you about one thousand, three hundred ninety-five 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 21949012800 cubic inches would be around 233.3 feet tall.

Recreational maths with 21949012800

• 21949012800 backwards is 00821094912
• 21949012800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21949012800's digits is 36
• More coming soon!