72100396998

Names of 72100396998

• Cardinal: 72100396998 can be written as Seventy-two billion, one hundred million, three hundred ninety-six thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 7.2100396998 × 10¹⁰

Factors of 72100396998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2051030

Divisors of 72100396998

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 81 93 126 162 186 189 217 279 378 434 558 567 651 837 1134 1302 1674 1953 2511 3906 5022 5859 11718 17577 35154 2050987 4101974 6152961 12305922 14356909 18458883 28713818 36917766 43070727 55376649 63580597 86141454 110753298 127161194 129212181 166129947 190741791 258424362 332259894 381483582 387636543 445064179 572225373 775273086 890128358 1144450746 1162909629 1335192537 1716676119 2325819258 2670385074 3433352238 4005577611 5150028357 8011155222 10300056714 12016732833 24033465666 36050198499 72100396998
• Sum of all divisors σ(n): 190594212864
• Sum of proper divisors (its aliquot sum) s(n): 118493815866
• 72100396998 is an abundant number, because the sum of its proper divisors (118493815866) is greater than itself. Its abundance is 46393418868

Bases of 72100396998

• Binary: 1000011001001100001001011111111000110₂
• Hexadecimal: 0x10C984BFC6
• Base-36: X4EPQDI

Squares and roots of 72100396998

• 72100396998 squared (72100396998²) is 5198467247269207412004
• 72100396998 cubed (72100396998³) is 374811552309210085786292550763992
• The square root of 72100396998 is 268515.1708898401
• The cube root of 72100396998 is 4162.1003977727

Scales and comparisons

• 72,100,396,998 seconds is equal to 2,292 years, 29 weeks, 4 days, 8 hours, 3 minutes, 18 seconds.
• To count from 1 to 72,100,396,998 would take you about four thousand, five hundred eighty-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 72100396998 cubic inches would be around 346.8 feet tall.

Recreational maths with 72100396998

• 72100396998 backwards is 89969300127
• 72100396998 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72100396998's digits is 54
• More coming soon!