21532429128

Names of 21532429128

• Cardinal: 21532429128 can be written as Twenty-one billion, five hundred thirty-two million, four hundred twenty-nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1532429128 × 10¹⁰

Factors of 21532429128

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1064

Divisors of 21532429128

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 31 37 42 56 62 74 84 93 111 124 131 148 168 186 217 222 248 259 262 296 372 393 434 444 518 524 651 744 777 786 853 868 888 917 1036 1048 1147 1302 1554 1572 1706 1736 1834 2072 2294 2559 2604 2751 3108 3144 3412 3441 3668 4061 4588 4847 5118 5208 5502 5971 6216 6824 6882 7336 8029 8122 9176 9694 10236 11004 11942 12183 13764 14541 16058 16244 17913 19388 20472 22008 23884 24087 24366 26443 27528 28427 29082 31561 32116 32488 33929 35826 38776 47768 48174 48732 52886 56854 58164 63122 64232 67858 71652 79329 85281 94683 96348 97464 101787 105772 111743 113708 116328 126244 135716 143304 150257 158658 170562 185101 189366 192696 203574 211544 220927 223486 227416 252488 271432 300514 317316 335229 341124 370202 378732 407148 441854 446972 450771 555303 601028 634632 662781 670458 682248 740404 757464 782201 814296 883708 893944 901542 978391 1051799 1110606 1202056 1325562 1340916 1480808 1564402 1767416 1803084 1956782 2103598 2221212 2346603 2651124 2681832 2935173 3128804 3155397 3464033 3606168 3913564 4134491 4207196 4442424 4693206 5302248 5870346 6257608 6310794 6848737 6928066 7827128 8268982 8414392 9386412 10392099 11740692 12403473 12621588 13697474 13856132 16537964 18772824 20546211 20784198 23481384 24248231 24806946 25243176 27394948 27712264 28941437 33075928 41092422 41568396 48496462 49613892 54789896 57882874 72744693 82184844 83136792 86824311 96992924 99227784 115765748 128169221 145489386 164369688 173648622 193985848 231531496 256338442 290978772 347297244 384507663 512676884 581957544 694594488 769015326 897184547 1025353768 1538030652 1794369094 2691553641 3076061304 3588738188 5383107282 7177476376 10766214564 21532429128
• Sum of all divisors σ(n): 65797079040
• Sum of proper divisors (its aliquot sum) s(n): 44264649912
• 21532429128 is an abundant number, because the sum of its proper divisors (44264649912) is greater than itself. Its abundance is 22732220784

Bases of 21532429128

• Binary: 10100000011011011101100101101001000₂
• Hexadecimal: 0x5036ECB48
• Base-36: 9W3UONC

Squares and roots of 21532429128

• 21532429128 squared (21532429128²) is 463645504152342840384
• 21532429128 cubed (21532429128³) is 9983413958676151925726696305152
• The square root of 21532429128 is 146739.3237274863
• The cube root of 21532429128 is 2782.0462277423

Scales and comparisons

• 21,532,429,128 seconds is equal to 684 years, 34 weeks, 3 days, 22 hours, 18 minutes, 48 seconds.
• To count from 1 to 21,532,429,128 would take you about one thousand, three hundred sixty-nine 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 21532429128 cubic inches would be around 231.8 feet tall.

Recreational maths with 21532429128

• 21532429128 backwards is 82192423512
• The number of decimal digits it has is: 11
• The sum of 21532429128's digits is 39
• More coming soon!