21394962512

Names of 21394962512

• Cardinal: 21394962512 can be written as Twenty-one billion, three hundred ninety-four million, nine hundred sixty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1394962512 × 10¹⁰

Factors of 21394962512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 150

Divisors of 21394962512

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 29 44 49 56 58 77 88 98 101 112 116 121 154 176 196 202 203 232 242 308 319 343 392 404 406 464 484 539 616 638 686 707 784 808 812 847 968 1078 1111 1232 1276 1331 1372 1414 1421 1616 1624 1694 1936 2156 2222 2233 2552 2662 2744 2828 2842 2929 3248 3388 3509 3773 4312 4444 4466 4949 5104 5324 5488 5656 5684 5858 5929 6776 7018 7546 7777 8624 8888 8932 9317 9898 9947 10648 11312 11368 11716 11858 12221 13552 14036 15092 15554 15631 17776 17864 18634 19796 19894 20503 21296 22736 23432 23716 24442 24563 28072 30184 31108 31262 32219 34643 35728 37268 38599 39592 39788 41006 41503 46864 47432 48884 49126 54439 56144 60368 62216 62524 64438 65219 69286 74536 77198 79184 79576 82012 83006 85547 94864 97768 98252 108878 109417 124432 125048 128876 130438 134431 138572 143521 149072 154396 159152 164024 166012 171094 171941 195536 196504 217756 218834 225533 250096 257752 260876 268862 270193 277144 287042 308792 328048 332024 342188 343882 354409 381073 393008 435512 437668 451066 456533 515504 521752 537724 540386 554288 574084 598829 617584 664048 684376 687764 708818 762146 871024 875336 902132 913066 941017 1004647 1043504 1075448 1080772 1148168 1197658 1203587 1368752 1375528 1417636 1524292 1578731 1750672 1804264 1826132 1882034 1891351 2009294 2150896 2161544 2296336 2395316 2407174 2480863 2751056 2835272 3048584 3157462 3608528 3652264 3764068 3782702 3898499 4018588 4191803 4323088 4790632 4814348 4961726 5670544 6097168 6314924 6587119 7304528 7528136 7565404 7796998 8037176 8383606 9581264 9628696 9923452 11051117 12629848 13174238 13239457 15056272 15130808 15593996 16074352 16767212 17366041 19257392 19846904 22102234 25259696 26348476 26478914 27289493 30261616 31187992 33534424 34732082 39693808 44204468 46109833 52696952 52957828 54578986 62375984 67068848 69464164 88408936 92219666 105393904 105915656 109157972 121562287 138928328 176817872 184439332 191026451 211831312 218315944 243124574 277856656 368878664 382052902 436631888 486249148 737757328 764105804 972498296 1337185157 1528211608 1944996592 2674370314 3056423216 5348740628 10697481256 21394962512
• Sum of all divisors σ(n): 55550016000
• Sum of proper divisors (its aliquot sum) s(n): 34155053488
• 21394962512 is an abundant number, because the sum of its proper divisors (34155053488) is greater than itself. Its abundance is 12760090976

Bases of 21394962512

• Binary: 10011111011001111010011100001010000₂
• Hexadecimal: 0x4FB3D3850
• Base-36: 9TU0AQ8

Squares and roots of 21394962512

• 21394962512 squared (21394962512²) is 457744420889885350144
• 21394962512 cubed (21394962512³) is 9793424725016246746308873801728
• The square root of 21394962512 is 146270.1695903851
• The cube root of 21394962512 is 2776.1132351167

Scales and comparisons

• 21,394,962,512 seconds is equal to 680 years, 15 weeks, 1 day, 21 hours, 8 minutes, 32 seconds.
• To count from 1 to 21,394,962,512 would take you about one thousand, three hundred sixty 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 21394962512 cubic inches would be around 231.3 feet tall.

Recreational maths with 21394962512

• 21394962512 backwards is 21526949312
• 21394962512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21394962512's digits is 44
• More coming soon!