72990464870664

Names of 72990464870664

• Cardinal: 72990464870664 can be written as Seventy-two trillion, nine hundred ninety billion, four hundred sixty-four million, eight hundred seventy thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 7.2990464870664 × 10¹³

Factors of 72990464870664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 92159677883

Divisors of 72990464870664

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 92159677867 184319355734 276479033601 368638711468 552958067202 737277422936 829437100803 1013756456537 1105916134404 1658874201606 2027512913074 2211832268808 3041269369611 3317748403212 4055025826148 6082538739222 6635496806424 8110051652296 9123808108833 12165077478444 18247616217666 24330154956888 36495232435332 72990464870664
• Sum of all divisors σ(n): 215653646211120
• Sum of proper divisors (its aliquot sum) s(n): 142663181340456
• 72990464870664 is an abundant number, because the sum of its proper divisors (142663181340456) is greater than itself. Its abundance is 69672716469792

Bases of 72990464870664

• Binary: 10000100110001001101010101110110000100100001000₂
• Hexadecimal: 0x42626ABB0908
• Base-36: PVFCU84Y0

Squares and roots of 72990464870664

• 72990464870664 squared (72990464870664²) is 5327607962035635454247800896
• 72990464870664 cubed (72990464870664³) is 388864581797631874998192265515863063314944
• The square root of 72990464870664 is 8543445.7258569857
• The cube root of 72990464870664 is 41791.5722252291

Scales and comparisons

• 72,990,464,870,664 seconds is equal to 2,320,871 years, 3 days, 2 hours, 44 minutes, 24 seconds.
• To count from 1 to 72,990,464,870,664 would take you about five million, eight hundred two thousand, one hundred seventy-seven 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 72990464870664 cubic inches would be around 3482.6 feet tall.

Recreational maths with 72990464870664

• 72990464870664 backwards is 46607846409927
• 72990464870664 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 72990464870664's digits is 72
• More coming soon!