86768721990729

Names of 86768721990729

• Cardinal: 86768721990729 can be written as Eighty-six trillion, seven hundred sixty-eight billion, seven hundred twenty-one million, nine hundred ninety thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 8.6768721990729 × 10¹³

Factors of 86768721990729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 393

Divisors of 86768721990729

• Number of divisors d(n): 105
• Complete list of divisors:
  1 3 9 27 31 81 93 243 279 359 729 837 961 1077 2511 2883 3231 7533 8649 9693 11129 22599 25947 29079 29791 33387 77841 87237 89373 100161 128881 233523 261711 268119 300483 344999 386643 700569 804357 901449 923521 1034997 1159929 2413071 2704347 2770563 3104991 3479787 3995311 7239213 8113041 8311689 9314973 10439361 10694969 11985933 21717639 24935067 27944919 31318083 32084907 35957799 74805201 83834757 93954249 96254721 107873397 123854641 224415603 251504271 288764163 323620191 331544039 371563923 673246809 866292489 970860573 994632117 1114691769 2598877467 2912581719 2983896351 3344075307 3839493871 7796632401 8951689053 10032225921 11518481613 26855067159 30096677763 34555444839 80565201477 90290033289 103666334517 119024310001 241695604431 310999003551 357072930003 932997010653 1071218790009 2798991031959 3213656370027 9640969110081 28922907330243 86768721990729
• Sum of all divisors σ(n): 134805518427965
• Sum of proper divisors (its aliquot sum) s(n): 48036796437236
• 86768721990729 is a deficient number, because the sum of its proper divisors (48036796437236) is less than itself. Its deficiency is 38731925553493

Bases of 86768721990729

• Binary: 10011101110101001101010110110100001010001001001₂
• Hexadecimal: 0x4EEA6ADA1449
• Base-36: UR900RRK9

Squares and roots of 86768721990729

• 86768721990729 squared (86768721990729²) is 7528811115904418356761951441
• 86768721990729 cubed (86768721990729³) is 653265318636620647114024722176088350190489
• 86768721990729 is a perfect square number. Its square root is 9314973
• The cube root of 86768721990729 is 44271.1768560791

Scales and comparisons

• 86,768,721,990,729 seconds is equal to 2,758,976 years, 50 weeks, 1 day, 15 hours, 12 minutes, 9 seconds.
• To count from 1 to 86,768,721,990,729 would take you about six million, eight hundred ninety-seven thousand, four hundred forty-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 86768721990729 cubic inches would be around 3689.3 feet tall.

Recreational maths with 86768721990729

• 86768721990729 backwards is 92709912786768
• 86768721990729 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 86768721990729's digits is 81
• More coming soon!