72147158748

Names of 72147158748

• Cardinal: 72147158748 can be written as Seventy-two billion, one hundred forty-seven million, one hundred fifty-eight thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 7.2147158748 × 10¹⁰

Factors of 72147158748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 825426

Divisors of 72147158748

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 347 694 1041 1388 2082 2429 3123 4164 4858 6246 7287 9716 12492 14574 21861 29148 43722 87444 825067 1650134 2475201 3300268 4950402 5775469 7425603 9900804 11550938 14851206 17326407 23101876 29702412 34652814 51979221 69305628 103958442 207916884 286298249 572596498 858894747 1145192996 1717789494 2004087743 2576684241 3435578988 4008175486 5153368482 6012263229 8016350972 10306736964 12024526458 18036789687 24049052916 36073579374 72147158748
• Sum of all divisors σ(n): 209026027392
• Sum of proper divisors (its aliquot sum) s(n): 136878868644
• 72147158748 is an abundant number, because the sum of its proper divisors (136878868644) is greater than itself. Its abundance is 64731709896

Bases of 72147158748

• Binary: 1000011001100010011100100011011011100₂
• Hexadecimal: 0x10CC4E46DC
• Base-36: X56JZZ0

Squares and roots of 72147158748

• 72147158748 squared (72147158748²) is 5205212515409112927504
• 72147158748 cubed (72147158748³) is 375541293666297666546490103404992
• The square root of 72147158748 is 268602.2314650423
• The cube root of 72147158748 is 4163.0000000191

Scales and comparisons

• 72,147,158,748 seconds is equal to 2,294 years, 2 weeks, 6 days, 13 hours, 25 minutes, 48 seconds.
• To count from 1 to 72,147,158,748 would take you about four thousand, five hundred eighty-eight 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 72147158748 cubic inches would be around 346.9 feet tall.

Recreational maths with 72147158748

• 72147158748 backwards is 84785174127
• The number of decimal digits it has is: 11
• The sum of 72147158748's digits is 54
• More coming soon!