72147857293320

Names of 72147857293320

• Cardinal: 72147857293320 can be written as Seventy-two trillion, one hundred forty-seven billion, eight hundred fifty-seven million, two hundred ninety-three thousand, three hundred twenty.

Scientific notation

• Scientific notation: 7.214785729332 × 10¹³

Factors of 72147857293320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40553722

Divisors of 72147857293320

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 14831 29662 44493 59324 74155 88986 118648 148310 177972 222465 296620 355944 444930 593240 889860 1779720 40538881 81077762 121616643 162155524 202694405 243233286 324311048 405388810 486466572 608083215 810777620 972933144 1216166430 1621555240 2432332860 4864665720 601232144111 1202464288222 1803696432333 2404928576444 3006160720555 3607392864666 4809857152888 6012321441110 7214785729332 9018482161665 12024642882220 14429571458664 18036964323330 24049285764440 36073928646660 72147857293320
• Sum of all divisors σ(n): 216458171216640
• Sum of proper divisors (its aliquot sum) s(n): 144310313923320
• 72147857293320 is an abundant number, because the sum of its proper divisors (144310313923320) is greater than itself. Its abundance is 72162456630000

Bases of 72147857293320

• Binary: 10000011001111000111011011001111100000000001000₂
• Hexadecimal: 0x419E3B67C008
• Base-36: PKO9NFH8O

Squares and roots of 72147857293320

• 72147857293320 squared (72147857293320²) is 5205313312017267916516622400
• 72147857293320 cubed (72147857293320³) is 375552202002440727852434236310852482368000
• The square root of 72147857293320 is 8493989.4804102507
• The cube root of 72147857293320 is 41630.1343568247

Scales and comparisons

• 72,147,857,293,320 seconds is equal to 2,294,078 years, 36 weeks, 14 hours, 22 minutes.
• To count from 1 to 72,147,857,293,320 would take you about five million, seven hundred thirty-five thousand, one hundred ninety-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 72147857293320 cubic inches would be around 3469.2 feet tall.

Recreational maths with 72147857293320

• 72147857293320 backwards is 02339275874127
• 72147857293320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 72147857293320's digits is 60
• More coming soon!