8220738968

Names of 8220738968

• Cardinal: 8220738968 can be written as Eight billion, two hundred twenty million, seven hundred thirty-eight thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 8.220738968 × 10⁹

Factors of 8220738968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3229

Divisors of 8220738968

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 19 26 31 38 43 52 62 76 86 104 124 152 172 247 248 344 403 494 559 589 806 817 988 1118 1178 1333 1612 1634 1976 2236 2356 2666 3121 3224 3268 4472 4712 5332 6242 6536 7657 10621 10664 12484 15314 17329 21242 24968 25327 30628 34658 40573 42484 50654 59299 61256 69316 81146 84968 96751 101308 118598 134203 138632 162292 193502 202616 237196 268406 324584 329251 387004 474392 536812 658502 770887 774008 1073624 1257763 1317004 1541774 1744639 1838269 2515526 2549857 2634008 3083548 3489278 3676538 4160293 5031052 5099714 6167096 6978556 7353076 8320586 10062104 10199428 13957112 14706152 16641172 20398856 23897497 33148141 33282344 47794994 54083809 66296282 79045567 95589988 108167618 132592564 158091134 191179976 216335236 265185128 316182268 432670472 632364536 1027592371 2055184742 4110369484 8220738968
• Sum of all divisors σ(n): 18462259200
• Sum of proper divisors (its aliquot sum) s(n): 10241520232
• 8220738968 is an abundant number, because the sum of its proper divisors (10241520232) is greater than itself. Its abundance is 2020781264

Bases of 8220738968

• Binary: 111101001111111101000010110011000₂
• Hexadecimal: 0x1E9FE8598
• Base-36: 3RYEYS8

Squares and roots of 8220738968

• 8220738968 squared (8220738968²) is 67580549179993705024
• 8220738968 cubed (8220738968³) is 555562054122814696885494175232
• The square root of 8220738968 is 90668.2908629031
• The cube root of 8220738968 is 2018.2282742827

Scales and comparisons

• 8,220,738,968 seconds is equal to 261 years, 20 weeks, 3 days, 10 hours, 36 minutes, 8 seconds.
• To count from 1 to 8,220,738,968 would take you about five hundred twenty-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 8220738968 cubic inches would be around 168.2 feet tall.

Recreational maths with 8220738968

• 8220738968 backwards is 8698370228
• The number of decimal digits it has is: 10
• The sum of 8220738968's digits is 53
• More coming soon!