21153488832

Names of 21153488832

• Cardinal: 21153488832 can be written as Twenty-one billion, one hundred fifty-three million, four hundred eighty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1153488832 × 10¹⁰

Factors of 21153488832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3174

Divisors of 21153488832

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 41 42 48 56 63 64 72 82 84 96 112 123 126 144 164 168 192 224 246 252 287 288 328 336 369 448 492 504 574 576 656 672 738 861 984 1008 1148 1312 1344 1476 1681 1722 1968 2016 2296 2583 2624 2952 3121 3362 3444 3936 4032 4592 5043 5166 5904 6242 6724 6888 7872 9184 9363 10086 10332 11767 11808 12484 13448 13776 15129 18368 18726 20172 20664 21847 23534 23616 24968 26896 27552 28089 30258 35301 37452 40344 41328 43694 47068 49936 53792 55104 56178 60516 65541 70602 74904 80688 82656 87388 94136 99872 105903 107584 112356 121032 127961 131082 141204 149808 161376 165312 174776 188272 196623 199744 211806 224712 242064 255922 262164 282408 299616 322752 349552 376544 383883 393246 423612 449424 484128 511844 524328 564816 599232 699104 753088 767766 786492 847224 895727 898848 968256 1023688 1048656 1129632 1151649 1398208 1535532 1572984 1694448 1791454 1797696 2047376 2097312 2259264 2303298 2687181 3071064 3145968 3388896 3582908 4094752 4194624 4606596 5246401 5374362 6142128 6291936 6777792 7165816 8061543 8189504 9213192 10492802 10748724 12284256 12583872 14331632 15739203 16123086 18426384 20985604 21497448 24568512 28663264 31478406 32246172 36724807 36852768 41971208 42994896 47217609 57326528 62956812 64492344 73449614 73705536 83942416 85989792 94435218 110174421 125913624 128984688 146899228 167884832 171979584 188870436 220348842 251827248 257969376 293798456 330523263 335769664 377740872 440697684 503654496 515938752 587596912 661046526 755481744 881395368 1007308992 1175193824 1322093052 1510963488 1762790736 2350387648 2644186104 3021926976 3525581472 5288372208 7051162944 10576744416 21153488832
• Sum of all divisors σ(n): 71048552848
• Sum of proper divisors (its aliquot sum) s(n): 49895064016
• 21153488832 is an abundant number, because the sum of its proper divisors (49895064016) is greater than itself. Its abundance is 28741575184

Bases of 21153488832

• Binary: 10011101100110110001001111111000000₂
• Hexadecimal: 0x4ECD89FC0
• Base-36: 9PU8OG0

Squares and roots of 21153488832

• 21153488832 squared (21153488832²) is 447470089765548724224
• 21153488832 cubed (21153488832³) is 9465553546509572436224231866368
• The square root of 21153488832 is 145442.3900793713
• The cube root of 21153488832 is 2765.6295179671

Scales and comparisons

• 21,153,488,832 seconds is equal to 672 years, 32 weeks, 1 hour, 7 minutes, 12 seconds.
• To count from 1 to 21,153,488,832 would take you about one thousand, three hundred forty-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 21153488832 cubic inches would be around 230.5 feet tall.

Recreational maths with 21153488832

• 21153488832 backwards is 23888435112
• The number of decimal digits it has is: 11
• The sum of 21153488832's digits is 45
• More coming soon!