21344990940

Names of 21344990940

• Cardinal: 21344990940 can be written as Twenty-one billion, three hundred forty-four million, nine hundred ninety thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.134499094 × 10¹⁰

Factors of 21344990940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 62083

Divisors of 21344990940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 49 52 54 60 63 65 70 78 84 90 91 98 105 108 117 126 130 135 140 147 156 180 182 189 195 196 210 234 245 252 260 270 273 294 315 351 364 378 390 420 441 455 468 490 540 546 585 588 630 637 702 735 756 780 819 882 910 945 980 1092 1170 1260 1274 1323 1365 1404 1470 1638 1755 1764 1820 1890 1911 2205 2340 2457 2548 2646 2730 2940 3185 3276 3510 3780 3822 4095 4410 4914 5292 5460 5733 6370 6615 7020 7644 8190 8820 9555 9828 11466 12285 12740 13230 16380 17199 19110 22932 24570 26460 28665 34398 38220 49140 57330 62053 68796 85995 114660 124106 171990 186159 248212 310265 343980 372318 434371 558477 620530 744636 806689 868742 930795 1116954 1241060 1303113 1613378 1675431 1737484 1861590 2171855 2233908 2420067 2606226 2792385 3040597 3226756 3350862 3723180 3909339 4033445 4343710 4840134 5212452 5584770 5646823 6081194 6515565 6701724 7260201 7818678 8066890 8377155 8687420 9121791 9680268 11169540 11293646 11728017 12100335 12162388 13031130 14520402 15202985 15637356 16133780 16754310 16940469 18243582 19546695 21780603 22587292 23456034 24200670 26062260 27365373 28234115 29040804 30405970 33508620 33880938 36301005 36487164 39093390 39527761 43561206 45608955 46912068 48401340 50821407 54730746 56468230 58640085 60811940 67761876 72602010 78186780 79055522 82096119 84702345 87122412 91217910 101642814 108903015 109461492 112936460 117280170 118583283 136826865 145204020 152464221 158111044 164192238 169404690 182435820 197638805 203285628 217806030 234560340 237166566 254107035 273653730 304928442 328384476 338809380 355749849 395277610 410480595 435612060 474333132 508214070 547307460 592916415 609856884 711499698 762321105 790555220 820961190 1016428140 1067249547 1185832830 1422999396 1524642210 1641922380 1778749245 2134499094 2371665660 3049284420 3557498490 4268998188 5336247735 7114996980 10672495470 21344990940
• Sum of all divisors σ(n): 83192074560
• Sum of proper divisors (its aliquot sum) s(n): 61847083620
• 21344990940 is an abundant number, because the sum of its proper divisors (61847083620) is greater than itself. Its abundance is 40502092680

Bases of 21344990940

• Binary: 10011111000010000101011011011011100₂
• Hexadecimal: 0x4F842B6DC
• Base-36: 9T098F0

Squares and roots of 21344990940

• 21344990940 squared (21344990940²) is 455608638228682083600
• 21344990940 cubed (21344990940³) is 9724962255176956722582322584000
• The square root of 21344990940 is 146099.2503060847
• The cube root of 21344990940 is 2773.9501887247

Scales and comparisons

• 21,344,990,940 seconds is equal to 678 years, 36 weeks, 4 days, 12 hours, 9 minutes.
• To count from 1 to 21,344,990,940 would take you about one thousand, three hundred fifty-seven 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 21344990940 cubic inches would be around 231.2 feet tall.

Recreational maths with 21344990940

• 21344990940 backwards is 04909944312
• 21344990940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21344990940's digits is 45
• More coming soon!