9921472029

Names of 9921472029

• Cardinal: 9921472029 can be written as Nine billion, nine hundred twenty-one million, four hundred seventy-two thousand and twenty-nine.

Scientific notation

• Scientific notation: 9.921472029 × 10⁹

Factors of 9921472029

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 137

Divisors of 9921472029

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 127 147 189 243 381 441 567 729 889 1143 1323 1701 2187 2667 3429 3969 5103 6223 6561 8001 10287 11907 15309 18669 19683 24003 30861 35721 45927 56007 59049 72009 92583 107163 137781 168021 177147 216027 277749 321489 413343 504063 531441 648081 833247 964467 1240029 1512189 1594323 1944243 2499741 2893401 3720087 4536567 5832729 7499223 8680203 11160261 13609701 17498187 22497669 26040609 40829103 52494561 67493007 78121827 122487309 157483683 202479021 367461927 472451049 1102385781 1417353147 3307157343 9921472029
• Sum of all divisors σ(n): 17448267264
• Sum of proper divisors (its aliquot sum) s(n): 7526795235
• 9921472029 is a deficient number, because the sum of its proper divisors (7526795235) is less than itself. Its deficiency is 2394676794

Bases of 9921472029

• Binary: 1001001111010111011010011000011101₂
• Hexadecimal: 0x24F5DA61D
• Base-36: 4K2ZKT9

Squares and roots of 9921472029

• 9921472029 squared (9921472029²) is 98435607222229376841
• 9921472029 cubed (9921472029³) is 976626123712979149350081880389
• The square root of 9921472029 is 99606.5862731979
• The cube root of 9921472029 is 2148.7804173213

Scales and comparisons

• 9,921,472,029 seconds is equal to 315 years, 24 weeks, 3 days, 20 hours, 27 minutes, 9 seconds.
• To count from 1 to 9,921,472,029 would take you about six hundred thirty 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 9921472029 cubic inches would be around 179.1 feet tall.

Recreational maths with 9921472029

• 9921472029 backwards is 9202741299
• The number of decimal digits it has is: 10
• The sum of 9921472029's digits is 45
• More coming soon!