21470519840

Names of 21470519840

• Cardinal: 21470519840 can be written as Twenty-one billion, four hundred seventy million, five hundred nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.147051984 × 10¹⁰

Factors of 21470519840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 148

Divisors of 21470519840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 19 20 22 28 32 35 37 38 40 44 55 56 67 70 74 76 77 80 88 95 110 112 133 134 140 148 152 154 160 176 185 190 209 220 224 259 266 268 280 296 304 308 335 352 370 380 385 407 418 440 469 518 532 536 560 592 608 616 665 670 703 737 740 760 770 814 836 880 938 1036 1045 1064 1072 1120 1184 1232 1273 1295 1330 1340 1369 1406 1463 1474 1480 1520 1540 1628 1672 1760 1876 2035 2072 2090 2128 2144 2345 2464 2479 2546 2590 2660 2680 2738 2812 2849 2926 2948 2960 3040 3080 3256 3344 3515 3685 3752 4070 4144 4180 4256 4690 4921 4958 5092 5159 5180 5320 5360 5476 5624 5698 5852 5896 5920 6160 6365 6512 6688 6845 7030 7315 7370 7504 7733 8140 8288 8360 8911 9380 9583 9842 9916 10184 10318 10360 10640 10720 10952 11248 11396 11704 11792 12320 12395 12730 13024 13690 14003 14060 14245 14630 14740 15008 15059 15466 16280 16720 17353 17822 18760 19166 19684 19832 20368 20636 20720 21280 21904 22496 22792 23408 23584 24605 24790 25460 25795 26011 27269 27380 28006 28120 28490 29260 29480 30118 30932 32560 33440 34706 35644 37520 38332 38665 39368 39664 40736 41272 41440 43808 44555 45584 46816 47101 47915 49210 49580 50920 51590 52022 54131 54538 54760 56012 56240 56980 58520 58960 60236 61864 65120 69412 70015 71288 75040 75295 76664 77330 78736 79328 82544 86765 89110 91168 91723 94202 95830 98021 98420 99160 101840 103180 104044 105413 108262 109076 109520 112024 112480 113960 117040 117920 120472 123728 130055 136345 138824 140030 142576 150590 153328 154660 157472 165088 173530 178220 182077 183446 188404 190883 191660 196042 196840 198320 203680 206360 208088 210826 216524 218152 219040 224048 227920 234080 235505 240944 247456 260110 270655 272690 277648 280060 285152 286121 301180 306656 309320 329707 347060 356440 364154 366892 376808 381766 383320 392084 393680 396640 412720 416176 421652 433048 436304 448096 455840 458615 471010 481888 490105 518111 520220 527065 541310 545380 555296 560120 572242 602360 618640 642061 659414 694120 712880 728308 733784 753616 763532 766640 784168 787360 825440 832352 843304 866096 872608 910385 917230 942020 954415 980210 1008953 1036222 1040440 1054130 1082620 1090760 1120240 1144484 1204720 1237280 1284122 1318828 1388240 1425760 1430605 1456616 1467568 1507232 1527064 1533280 1568336 1648535 1686608 1732192 1742737 1820770 1834460 1884040 1908830 1960420 2002847 2017906 2072444 2080880 2108260 2165240 2181520 2240480 2288968 2409440 2568244 2590555 2637656 2776480 2861210 2913232 2935136 3054128 3136672 3210305 3297070 3373216 3485474 3626777 3641540 3668920 3768080 3817660 3920840 4005694 4035812 4144888 4161760 4216520 4330480 4363040 4577936 5044765 5136488 5181110 5275312 5722420 5826464 6108256 6420610 6594140 6970948 7062671 7253554 7283080 7337840 7536160 7635320 7841680 8011388 8071624 8289776 8433040 8660960 8713685 9155872 10014235 10089530 10272976 10362220 10550624 11444840 12199159 12841220 13188280 13941896 14125342 14507108 14566160 14675680 15270640 15683360 16022776 16143248 16579552 16866080 17427370 18133885 19170107 20028470 20179060 20545952 20724440 22889680 24398318 25682440 26376560 27883792 28250684 29014216 29132320 30541280 32045552 32286496 34854740 35313355 36267770 38340214 40056940 40358120 41448880 45779360 48796636 51364880 52753120 55767584 56501368 58028432 60995795 64091104 69709480 70626710 72535540 76680428 80113880 80716240 82897760 95850535 97593272 102729760 113002736 116056864 121991590 134190749 139418960 141253420 145071080 153360856 160227760 161432480 191701070 195186544 226005472 243983180 268381498 278837920 282506840 290142160 306721712 320455520 383402140 390373088 487966360 536762996 565013680 580284320 613443424 670953745 766804280 975932720 1073525992 1130027360 1341907490 1533608560 1951865440 2147051984 2683814980 3067217120 4294103968 5367629960 10735259920 21470519840
• Sum of all divisors σ(n): 69437813760
• Sum of proper divisors (its aliquot sum) s(n): 47967293920
• 21470519840 is an abundant number, because the sum of its proper divisors (47967293920) is greater than itself. Its abundance is 26496774080

Bases of 21470519840

• Binary: 10011111111101111100010001000100000₂
• Hexadecimal: 0x4FFBE2220
• Base-36: 9V2ZR4W

Squares and roots of 21470519840

• 21470519840 squared (21470519840²) is 460983222199833625600
• 21470519840 cubed (21470519840³) is 9897549418148656303143931904000
• The square root of 21470519840 is 146528.2219915331
• The cube root of 21470519840 is 2779.3773876125

Scales and comparisons

• 21,470,519,840 seconds is equal to 682 years, 36 weeks, 1 day, 9 hours, 17 minutes, 20 seconds.
• To count from 1 to 21,470,519,840 would take you about one thousand, three hundred sixty-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 21470519840 cubic inches would be around 231.6 feet tall.

Recreational maths with 21470519840

• 21470519840 backwards is 04891507412
• The number of decimal digits it has is: 11
• The sum of 21470519840's digits is 41
• More coming soon!