21137427675

Names of 21137427675

• Cardinal: 21137427675 can be written as Twenty-one billion, one hundred thirty-seven million, four hundred twenty-seven thousand, six hundred seventy-five.

Scientific notation

• Scientific notation: 2.1137427675 × 10¹⁰

Factors of 21137427675

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1228

Divisors of 21137427675

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 35 39 45 49 63 65 75 91 105 117 139 147 175 195 225 245 273 315 325 417 441 455 525 585 637 695 735 819 973 975 1061 1225 1251 1365 1575 1807 1911 2085 2205 2275 2919 2925 3183 3185 3475 3675 4095 4865 5305 5421 5733 6255 6811 6825 7427 8757 9035 9549 9555 10425 11025 12649 13793 14595 15915 15925 16263 20433 20475 22281 24325 26525 27105 28665 31275 34055 37135 37947 41379 43785 45175 47745 47775 51989 61299 63245 66843 68965 72975 79575 81315 88543 96551 102165 111405 113841 124137 135525 143325 147479 155967 170275 185675 189735 206895 218925 238725 259945 265629 289653 306495 316225 334215 344825 406575 442437 442715 467901 482755 510825 557025 569205 620685 675857 737395 779835 796887 868959 948675 1032353 1034475 1299725 1327311 1328145 1448265 1532475 1671075 1917227 2027571 2212185 2213575 2339505 2413775 2846025 3097059 3103425 3379285 3686975 3899175 3984435 4344795 5161765 5751681 6082713 6636555 6640725 7226471 7241325 9291177 9586135 10137855 11060925 11697525 13420589 15485295 16896425 17255043 19922175 21679413 21723975 25808825 28758405 30413565 33182775 36132355 40261767 46455885 47930675 50689275 65038239 67102945 77426475 86275215 93944123 108397065 120785301 143792025 152067825 180661775 201308835 232279425 281832369 325191195 335514725 431376075 469720615 541985325 603926505 845497107 1006544175 1409161845 1625955975 2348603075 3019632525 4227485535 7045809225 21137427675
• Sum of all divisors σ(n): 47814595920
• Sum of proper divisors (its aliquot sum) s(n): 26677168245
• 21137427675 is an abundant number, because the sum of its proper divisors (26677168245) is greater than itself. Its abundance is 5539740570

Bases of 21137427675

• Binary: 10011101011111000111000110011011011₂
• Hexadecimal: 0x4EBE38CDB
• Base-36: 9PKOFKR

Squares and roots of 21137427675

• 21137427675 squared (21137427675²) is 446790848715855905625
• 21137427675 cubed (21137427675³) is 9444009250583270830870063171875
• The square root of 21137427675 is 145387.1647532891
• The cube root of 21137427675 is 2764.9293898541

Scales and comparisons

• 21,137,427,675 seconds is equal to 672 years, 5 weeks, 3 days, 3 hours, 41 minutes, 15 seconds.
• To count from 1 to 21,137,427,675 would take you about one thousand, three hundred forty-four 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 21137427675 cubic inches would be around 230.4 feet tall.

Recreational maths with 21137427675

• 21137427675 backwards is 57672473112
• 21137427675 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21137427675's digits is 45
• More coming soon!