81799609488439800

Names of 81799609488439800

• Cardinal: 81799609488439800 can be written as Eighty-one quadrillion, seven hundred ninety-nine trillion, six hundred nine billion, four hundred eighty-eight million, four hundred thirty-nine thousand, eight hundred.

Scientific notation

• Scientific notation: 8.17996094884398 × 10¹⁶

Factors of 81799609488439800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 136332682480743

Divisors of 81799609488439800

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 136332682480733 272665364961466 408998047442199 545330729922932 681663412403665 817996094884398 1090661459845864 1363326824807330 1635992189768796 2044990237210995 2726653649614660 3271984379537592 3408317062018325 4089980474421990 5453307299229320 6816634124036650 8179960948843980 10224951186054975 13633268248073300 16359921897687960 20449902372109950 27266536496146600 40899804744219900 81799609488439800
• Sum of all divisors σ(n): 253578789414165240
• Sum of proper divisors (its aliquot sum) s(n): 171779179925725440
• 81799609488439800 is an abundant number, because the sum of its proper divisors (171779179925725440) is greater than itself. Its abundance is 89979570437285640

Bases of 81799609488439800

• Binary: 100100010100111000100111110111010010100101111100111111000₂
• Hexadecimal: 0x1229C4FBA52F9F8
• Base-36: MDFJHTQ34ZC

Squares and roots of 81799609488439800

• 81799609488439800 squared (81799609488439800²) is 6691176112461250558649838224040000
• 81799609488439800 cubed (81799609488439800³) is 547335593017707045483939065256541652542452792000000
• The square root of 81799609488439800 is 286006310.2248616471
• The cube root of 81799609488439800 is 434093.9603602383

Scales and comparisons

• 81,799,609,488,439,800 seconds is equal to 2,600,974,558 years, 48 weeks, 1 day, 12 hours, 50 minutes.
• To count from 1 to 81,799,609,488,439,800 would take you about seven billion, eight hundred two million, nine hundred twenty-three thousand, six hundred seventy-six 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 81799609488439800 cubic inches would be around 36174.5 feet tall.

Recreational maths with 81799609488439800

• 81799609488439800 backwards is 00893488490699718
• The number of decimal digits it has is: 17
• The sum of 81799609488439800's digits is 93
• More coming soon!