81329800552

Names of 81329800552

• Cardinal: 81329800552 can be written as Eighty-one billion, three hundred twenty-nine million, eight hundred thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 8.1329800552 × 10¹⁰

Factors of 81329800552

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3291

Divisors of 81329800552

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 41 44 49 52 56 77 82 88 91 98 104 121 143 154 164 182 196 242 286 287 308 328 364 392 451 484 533 539 572 574 616 637 728 847 902 968 1001 1066 1078 1144 1148 1274 1573 1694 1804 2002 2009 2132 2156 2296 2548 3146 3157 3217 3388 3608 3731 4004 4018 4264 4312 4961 5096 5863 5929 6292 6314 6434 6776 7007 7462 8008 8036 9922 11011 11726 11858 12584 12628 12868 14014 14924 16072 19844 22022 22099 22519 23452 23716 25256 25736 26117 28028 29848 34727 35387 39688 41041 41821 44044 44198 45038 46904 47432 52234 56056 64493 69454 70774 77077 82082 83642 88088 88396 90076 104468 128986 131897 138908 141548 154154 157633 164164 167284 176792 180152 208936 243089 247709 257972 263794 277816 283096 287287 292747 308308 315266 328328 334568 389257 451451 460031 486178 495418 515944 527588 574574 585494 616616 630532 778514 902902 920062 923279 972356 990836 1055176 1149148 1170988 1261064 1450867 1557028 1714661 1733963 1805804 1840124 1846558 1944712 1981672 2049229 2298296 2341976 2724799 2901734 3114056 3160157 3220217 3429322 3467926 3611608 3680248 3693116 4098458 5060341 5449598 5803468 6320314 6440434 6462953 6858644 6935852 7386232 8196916 10120682 10156069 10899196 11606936 12002627 12640628 12880868 12925906 13717288 13871704 15959537 16393832 18861271 19073593 20241364 20312138 21798392 22541519 24005254 25281256 25761736 25851812 31919074 35422387 37722542 38147186 40482728 40624276 45083038 48010508 51703624 63838148 70844774 71092483 75445084 76294372 81248552 84018389 90166076 96021016 111716759 127676296 132028897 141689548 142184966 150890168 152588744 168036778 180332152 207473981 223433518 247956709 264057794 283379096 284369932 336073556 414947962 446867036 495913418 528115588 568739864 672147112 782017313 829895924 893734072 924202279 991826836 1056231176 1452317867 1564034626 1659791848 1848404558 1983653672 2904635734 3128069252 3696809116 5809271468 6256138504 7393618232 10166225069 11618542936 20332450138 40664900276 81329800552
• Sum of all divisors σ(n): 215169703560
• Sum of proper divisors (its aliquot sum) s(n): 133839903008
• 81329800552 is an abundant number, because the sum of its proper divisors (133839903008) is greater than itself. Its abundance is 52510102456

Bases of 81329800552

• Binary: 1001011101111101000100100010101101000₂
• Hexadecimal: 0x12EFA24568
• Base-36: 11D1NVQG

Squares and roots of 81329800552

• 81329800552 squared (81329800552²) is 6614536457828099504704
• 81329800552 cubed (81329800552³) is 537958930859091891818786305796608
• The square root of 81329800552 is 285183.8013492351
• The cube root of 81329800552 is 4332.6130393209

Scales and comparisons

• 81,329,800,552 seconds is equal to 2,586 years, 1 week, 6 days, 3 hours, 15 minutes, 52 seconds.
• To count from 1 to 81,329,800,552 would take you about five thousand, one hundred seventy-two 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 81329800552 cubic inches would be around 361.1 feet tall.

Recreational maths with 81329800552

• 81329800552 backwards is 25500892318
• The number of decimal digits it has is: 11
• The sum of 81329800552's digits is 43
• More coming soon!