81677813331969

Names of 81677813331969

• Cardinal: 81677813331969 can be written as Eighty-one trillion, six hundred seventy-seven billion, eight hundred thirteen million, three hundred thirty-one thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 8.1677813331969 × 10¹³

Factors of 81677813331969

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 45232

Divisors of 81677813331969

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 23 31 59 69 93 177 207 279 531 713 1357 1829 2139 4071 5437 5487 6417 12213 16311 16461 39679 42067 48933 119037 125051 126201 168547 320783 357111 375153 378603 505641 912617 962349 1125459 1230049 1516923 2341061 2737851 2887047 3690147 3876581 7023183 7378009 8213553 9944273 11070441 11629743 21069549 22134027 28291127 29832819 34889229 53844403 66402081 72572891 84873381 89498457 161533209 215734723 217718673 228718279 254620143 484599627 647204169 653156019 686154837 1669176493 1941612507 2058464511 4961898629 5007529479 6687776413 12728348657 14885695887 15022588437 20063329239 38185045971 44657087661 60189987717 114555137913 153818857499 292752019111 394578808367 461456572497 878256057333 1183736425101 1384369717491 2634768171999 3551209275303 9075312592441 27225937777323 81677813331969
• Sum of all divisors σ(n): 129260755353600
• Sum of proper divisors (its aliquot sum) s(n): 47582942021631
• 81677813331969 is a deficient number, because the sum of its proper divisors (47582942021631) is less than itself. Its deficiency is 34094871310338

Bases of 81677813331969

• Binary: 10010100100100100011001000011001011100000000001₂
• Hexadecimal: 0x4A49190CB801
• Base-36: SYA9P7669

Squares and roots of 81677813331969

• 81677813331969 squared (81677813331969²) is 6671265190691972917797416961
• 81677813331969 cubed (81677813331969³) is 544894352933401538669745351971877004126209
• The square root of 81677813331969 is 9037577.8465233151
• The cube root of 81677813331969 is 43387.8404161947

Scales and comparisons

• 81,677,813,331,969 seconds is equal to 2,597,101 years, 42 weeks, 3 days, 17 hours, 6 minutes, 9 seconds.
• To count from 1 to 81,677,813,331,969 would take you about six million, four hundred ninety-two thousand, seven hundred fifty-four 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 81677813331969 cubic inches would be around 3615.7 feet tall.

Recreational maths with 81677813331969

• 81677813331969 backwards is 96913331877618
• The number of decimal digits it has is: 14
• The sum of 81677813331969's digits is 72
• More coming soon!