72220369728

Names of 72220369728

• Cardinal: 72220369728 can be written as Seventy-two billion, two hundred twenty million, three hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.2220369728 × 10¹⁰

Factors of 72220369728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 325

Divisors of 72220369728

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 307 312 416 614 624 832 921 1228 1248 1842 2456 2496 3684 3991 4912 7368 7982 9824 11973 14736 15964 19648 23946 29472 31928 47892 58944 63856 94249 95784 127712 188498 191568 255424 282747 376996 383136 565494 753992 766272 1130988 1225237 1507984 2261976 2450474 3015968 3675711 4523952 4900948 6031936 7351422 9047904 9801896 14702844 18095808 19603792 28934443 29405688 39207584 57868886 58811376 78415168 86803329 115737772 117622752 173606658 231475544 235245504 347213316 376147759 462951088 694426632 752295518 925902176 1128443277 1388853264 1504591036 1851804352 2256886554 2777706528 3009182072 4513773108 5555413056 6018364144 9027546216 12036728288 18055092432 24073456576 36110184864 72220369728
• Sum of all divisors σ(n): 206454248000
• Sum of proper divisors (its aliquot sum) s(n): 134233878272
• 72220369728 is an abundant number, because the sum of its proper divisors (134233878272) is greater than itself. Its abundance is 62013508544

Bases of 72220369728

• Binary: 1000011010000101010110110001101000000₂
• Hexadecimal: 0x10D0AB6340
• Base-36: X6E55XC

Squares and roots of 72220369728

• 72220369728 squared (72220369728²) is 5215781803649018793984
• 72220369728 cubed (72220369728³) is 376685690280106836845945142116352
• The square root of 72220369728 is 268738.4783167457
• The cube root of 72220369728 is 4164.4076520213

Scales and comparisons

• 72,220,369,728 seconds is equal to 2,296 years, 19 weeks, 6 days, 21 hours, 48 minutes, 48 seconds.
• To count from 1 to 72,220,369,728 would take you about four thousand, five hundred ninety-two 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 72220369728 cubic inches would be around 347 feet tall.

Recreational maths with 72220369728

• 72220369728 backwards is 82796302227
• 72220369728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72220369728's digits is 48
• More coming soon!