72078646656

Names of 72078646656

• Cardinal: 72078646656 can be written as Seventy-two billion, seventy-eight million, six hundred forty-six thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 7.2078646656 × 10¹⁰

Factors of 72078646656

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 66155

Divisors of 72078646656

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 2971 5942 8913 11884 17826 23768 35652 47536 63179 71304 95072 126358 142608 189537 190144 252716 285216 379074 380288 505432 570432 758148 1010864 1140864 1516296 2021728 3032592 4043456 6065184 8086912 12130368 24260736 187704809 375409618 563114427 750819236 1126228854 1501638472 2252457708 3003276944 4504915416 6006553888 9009830832 12013107776 18019661664 24026215552 36039323328 72078646656
• Sum of all divisors σ(n): 191526379200
• Sum of proper divisors (its aliquot sum) s(n): 119447732544
• 72078646656 is an abundant number, because the sum of its proper divisors (119447732544) is greater than itself. Its abundance is 47369085888

Bases of 72078646656

• Binary: 1000011001000001110001101110110000000₂
• Hexadecimal: 0x10C838DD80
• Base-36: X41RJPC

Squares and roots of 72078646656

• 72078646656 squared (72078646656²) is 5195331303760499982336
• 72078646656 cubed (72078646656³) is 374472449304608882276690785468416
• The square root of 72078646656 is 268474.6666931537
• The cube root of 72078646656 is 4161.6818322935

Scales and comparisons

• 72,078,646,656 seconds is equal to 2,291 years, 45 weeks, 4 days, 14 hours, 17 minutes, 36 seconds.
• To count from 1 to 72,078,646,656 would take you about four thousand, five hundred eighty-three 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 72078646656 cubic inches would be around 346.8 feet tall.

Recreational maths with 72078646656

• 72078646656 backwards is 65664687027
• The number of decimal digits it has is: 11
• The sum of 72078646656's digits is 57
• More coming soon!