21339796842

Names of 21339796842

• Cardinal: 21339796842 can be written as Twenty-one billion, three hundred thirty-nine million, seven hundred ninety-six thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 2.1339796842 × 10¹⁰

Factors of 21339796842

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 85

Divisors of 21339796842

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 23 26 27 37 39 42 46 49 54 63 69 74 78 81 91 98 111 117 126 138 147 161 162 182 189 207 222 234 243 259 273 294 299 322 333 351 378 414 441 481 483 486 518 546 567 598 621 637 666 702 729 777 819 851 882 897 962 966 999 1053 1127 1134 1242 1274 1323 1443 1449 1458 1554 1638 1701 1702 1794 1813 1863 1911 1998 2093 2106 2187 2254 2331 2457 2553 2646 2691 2886 2898 2997 3159 3367 3381 3402 3626 3726 3822 3969 4186 4329 4347 4374 4662 4914 5103 5106 5382 5439 5589 5733 5957 5994 6279 6318 6561 6734 6762 6993 7371 7659 7938 8073 8658 8694 8991 9477 10101 10143 10206 10878 11063 11178 11466 11907 11914 12558 12987 13041 13122 13986 14651 14742 15309 15318 16146 16317 16767 17199 17871 17982 18837 18954 19683 20202 20286 20979 22113 22126 22977 23569 23814 24219 25974 26082 26973 28431 29302 30303 30429 30618 32634 33189 33534 34398 35721 35742 37674 38961 39123 39366 41699 41958 43953 44226 45927 45954 47138 48438 48951 50301 51597 53613 53946 56511 56862 60606 60858 62937 66339 66378 68931 70707 71442 72657 77441 77922 78246 80919 83398 85293 87906 90909 91287 91854 97902 99567 100602 103194 107163 107226 113022 116883 117369 125097 125874 131859 132678 137781 137862 141414 145314 146853 150903 154791 154882 160839 161838 169533 170586 181818 182574 188811 199017 199134 206793 212121 214326 217971 232323 233766 234738 242757 250194 255879 263718 272727 273861 275562 293706 298701 301806 309582 321489 321678 339066 350649 352107 375291 377622 395577 398034 413586 424242 435942 440559 452709 464373 464646 482517 485514 508599 511758 542087 545454 547722 566433 597051 597402 620379 636363 642978 653913 696969 701298 704214 728271 750582 791154 818181 821583 881118 896103 905418 928746 964467 965034 1017198 1051947 1056321 1084174 1125873 1132866 1186731 1194102 1240758 1272726 1307826 1321677 1393119 1393938 1447551 1456542 1525797 1626261 1636362 1643166 1699299 1791153 1792206 1861137 1909089 1928934 1961739 2090907 2103894 2112642 2251746 2373462 2454543 2464749 2643354 2688309 2786238 2895102 3051594 3155841 3168963 3252522 3377619 3398598 3560193 3582306 3722274 3818178 3923478 3965031 4179357 4181814 4342653 4577391 4878783 4909086 4929498 5097897 5376618 5583411 5727267 5885217 6272721 6311682 6337926 6755238 7120386 7363629 7394247 7930062 8064927 8358714 8685306 9154782 9467523 9757566 10132857 10195794 10680579 11166822 11454534 11770434 11895093 12538071 12545442 13027959 13732173 14636349 14727258 14788494 16129854 16750233 17181801 18818163 18935046 20265714 21361158 22090887 22182741 23790186 24194781 25076142 26055918 27464346 29272698 30398571 32041737 33500466 34363602 35685279 37636326 39083877 41196519 43909047 44181774 44365482 48389562 51545403 56454489 60797142 64083474 66272661 71370558 72584343 78167754 82393038 87818094 91195713 96125211 103090806 112908978 117251631 131727141 132545322 145168686 154636209 169363467 182391426 192250422 217753029 234503262 263454282 273587139 288375633 309272418 338726934 395181423 435506058 463908627 508090401 547174278 576751266 790362846 820761417 927817254 1016180802 1185544269 1524271203 1641522834 2371088538 3048542406 3556632807 7113265614 10669898421 21339796842
• Sum of all divisors σ(n): 64460575872
• Sum of proper divisors (its aliquot sum) s(n): 43120779030
• 21339796842 is an abundant number, because the sum of its proper divisors (43120779030) is greater than itself. Its abundance is 21780982188

Bases of 21339796842

• Binary: 10011110111111100110111010101101010₂
• Hexadecimal: 0x4F7F3756A
• Base-36: 9SX5WMI

Squares and roots of 21339796842

• 21339796842 squared (21339796842²) is 455386929257833172964
• 21339796842 cubed (21339796842³) is 9717864554864385748180006979688
• The square root of 21339796842 is 146081.4733017161
• The cube root of 21339796842 is 2773.7251657827

Scales and comparisons

• 21,339,796,842 seconds is equal to 678 years, 28 weeks, 9 hours, 20 minutes, 42 seconds.
• To count from 1 to 21,339,796,842 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 21339796842 cubic inches would be around 231.1 feet tall.

Recreational maths with 21339796842

• 21339796842 backwards is 24869793312
• 21339796842 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21339796842's digits is 54
• More coming soon!