21712172832

Names of 21712172832

• Cardinal: 21712172832 can be written as Twenty-one billion, seven hundred twelve million, one hundred seventy-two thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1712172832 × 10¹⁰

Factors of 21712172832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1644

Divisors of 21712172832

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 49 56 62 63 72 84 93 96 98 112 124 126 144 147 168 186 196 217 224 248 252 279 288 294 336 372 392 434 441 496 504 558 588 651 672 744 784 868 882 961 992 1008 1116 1176 1302 1488 1519 1568 1601 1736 1764 1922 1953 2016 2232 2352 2604 2883 2976 3038 3202 3472 3528 3844 3906 4464 4557 4704 4803 5208 5766 6076 6404 6727 6944 7056 7688 7812 8649 8928 9114 9606 10416 11207 11532 12152 12808 13454 13671 14112 14409 15376 15624 17298 18228 19212 20181 20832 22414 23064 24304 25616 26908 27342 28818 30752 31248 33621 34596 36456 38424 40362 44828 46128 47089 48608 49631 51232 53816 54684 57636 60543 62496 67242 69192 72912 76848 78449 80724 89656 92256 94178 99262 100863 107632 109368 115272 121086 134484 138384 141267 145824 148893 153696 156898 161448 179312 188356 198524 201726 215264 218736 230544 235347 242172 268968 276768 282534 297786 313796 322896 347417 358624 376712 397048 403452 423801 437472 446679 461088 470694 484344 537936 565068 595572 627592 645792 694834 706041 753424 794096 806904 847602 893358 941388 968688 1042251 1075872 1130136 1191144 1255184 1389668 1412082 1506848 1538561 1588192 1613808 1695204 1786716 1882776 1937376 2084502 2260272 2382288 2431919 2510368 2779336 2824164 3077122 3126753 3227616 3390408 3573432 3765552 4169004 4520544 4615683 4764576 4863838 5558672 5648328 6154244 6253506 6780816 7146864 7295757 7531104 8338008 9231366 9727676 10769927 11117344 11296656 12308488 12507012 13561632 13847049 14293728 14591514 16676016 18462732 19455352 21539854 21887271 22593312 24616976 25014024 27694098 29183028 32309781 33352032 36925464 38910704 43079708 43774542 49233952 50028048 55388196 58366056 64619562 73850928 75389489 77821408 86159416 87549084 96929343 100056096 110776392 116732112 129239124 147701856 150778978 172318832 175098168 193858686 221552784 226168467 233464224 258478248 301557956 344637664 350196336 387717372 443105568 452336934 516956496 603115912 678505401 700392672 775434744 904673868 1033912992 1206231824 1357010802 1550869488 1809347736 2412463648 2714021604 3101738976 3618695472 5428043208 7237390944 10856086416 21712172832
• Sum of all divisors σ(n): 74262662838
• Sum of proper divisors (its aliquot sum) s(n): 52550490006
• 21712172832 is an abundant number, because the sum of its proper divisors (52550490006) is greater than itself. Its abundance is 30838317174

Bases of 21712172832

• Binary: 10100001110001001010111011100100000₂
• Hexadecimal: 0x50E257720
• Base-36: 9Z2V7S0

Squares and roots of 21712172832

• 21712172832 squared (21712172832²) is 471418449086638900224
• 21712172832 cubed (21712172832³) is 10235518842762496343637891514368
• The square root of 21712172832 is 147350.5101178819
• The cube root of 21712172832 is 2789.7659062849

Scales and comparisons

• 21,712,172,832 seconds is equal to 690 years, 19 weeks, 5 days, 7 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,712,172,832 would take you about one thousand, three hundred eighty 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 21712172832 cubic inches would be around 232.5 feet tall.

Recreational maths with 21712172832

• 21712172832 backwards is 23827121712
• 21712172832 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21712172832's digits is 36
• More coming soon!