21474290656

Names of 21474290656

• Cardinal: 21474290656 can be written as Twenty-one billion, four hundred seventy-four million, two hundred ninety thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 2.1474290656 × 10¹⁰

Factors of 21474290656

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 137

Divisors of 21474290656

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 19 26 28 32 34 38 52 56 68 76 79 91 104 112 119 133 136 152 158 182 208 221 224 238 247 266 272 289 304 316 323 364 416 442 476 494 532 544 553 578 608 632 646 728 884 952 988 1027 1064 1106 1156 1264 1292 1343 1456 1501 1547 1729 1768 1904 1976 2023 2054 2128 2212 2261 2312 2528 2584 2686 2912 3002 3094 3458 3536 3757 3808 3952 4046 4108 4199 4256 4424 4522 4624 4913 5168 5372 5491 6004 6188 6916 7072 7189 7514 7904 8092 8216 8398 8848 9044 9248 9401 9826 10336 10507 10744 10982 12008 12376 13832 14378 15028 16184 16432 16796 17459 17696 18088 18802 19513 19652 21014 21488 21964 22831 24016 24752 25517 26299 27664 28756 29393 30056 32368 32864 33592 34391 34918 36176 37604 38437 39026 39304 42028 42976 43928 45662 48032 49504 51034 52598 55328 57512 58786 60112 63869 64736 67184 68782 69836 71383 72352 75208 76874 78052 78608 84056 87856 91324 93347 102068 105196 115024 117572 120224 122213 127738 134368 136591 137564 139672 142766 150416 153748 156104 157216 159817 168112 175712 178619 182648 186694 204136 210392 230048 235144 244426 255476 273182 275128 279344 285532 296803 300832 307496 312208 319634 331721 336224 357238 365296 373388 388127 408272 420784 433789 447083 470288 488852 499681 510952 546364 550256 558688 571064 593606 614992 624416 639268 653429 663442 714476 730592 746776 776254 816544 841568 867578 894166 940576 977704 999362 1021904 1092728 1100512 1142128 1187212 1213511 1229984 1278536 1306858 1326884 1428952 1493552 1552508 1735156 1788332 1955408 1998724 2043808 2077621 2185456 2284256 2322047 2374424 2427022 2557072 2613716 2653768 2716889 2857904 2987104 3036523 3105016 3470312 3576664 3910816 3997448 4155242 4370912 4644094 4748848 4854044 5045651 5114144 5227432 5307536 5433778 5639257 5715808 6073046 6210032 6940624 7153328 7374413 7994896 8310484 8494577 9288188 9497696 9708088 10091302 10454864 10615072 10867556 11278514 12146092 12420064 13881248 14306656 14748826 15989792 16620968 16989154 18576376 19416176 20182604 20909728 21735112 22557028 24292184 29497652 33241936 33978308 35319557 37152752 38832352 39474799 40365208 43470224 45114056 48584368 51620891 58995304 66483872 67956616 70639114 74305504 78949598 80730416 86940448 90228112 95867369 97168736 103241782 117990608 135913232 141278228 157899196 161460832 180456224 191734738 206483564 235981216 271826464 282556456 315798392 383469476 412967128 565112912 631596784 671071583 766938952 825934256 1130225824 1263193568 1342143166 1533877904 1651868512 2684286332 3067755808 5368572664 10737145328 21474290656
• Sum of all divisors σ(n): 58931712000
• Sum of proper divisors (its aliquot sum) s(n): 37457421344
• 21474290656 is an abundant number, because the sum of its proper divisors (37457421344) is greater than itself. Its abundance is 15983130688

Bases of 21474290656

• Binary: 10011111111111101111010101111100000₂
• Hexadecimal: 0x4FFF7ABE0
• Base-36: 9V58KPS

Squares and roots of 21474290656

• 21474290656 squared (21474290656²) is 461145159178368910336
• 21474290656 cubed (21474290656³) is 9902765182803680128549266620416
• The square root of 21474290656 is 146541.0886270469
• The cube root of 21474290656 is 2779.5400898869

Scales and comparisons

• 21,474,290,656 seconds is equal to 682 years, 42 weeks, 3 days, 44 minutes, 16 seconds.
• To count from 1 to 21,474,290,656 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 21474290656 cubic inches would be around 231.6 feet tall.

Recreational maths with 21474290656

• 21474290656 backwards is 65609247412
• The number of decimal digits it has is: 11
• The sum of 21474290656's digits is 46
• More coming soon!