10388431521

Names of 10388431521

• Cardinal: 10388431521 can be written as Ten billion, three hundred eighty-eight million, four hundred thirty-one thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.0388431521 × 10¹⁰

Factors of 10388431521

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 363

Divisors of 10388431521

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 27 39 81 117 169 243 347 351 507 729 1041 1053 1521 2187 3123 3159 4511 4563 6561 9369 9477 13533 13689 19683 28107 28431 40599 41067 58643 59049 84321 85293 121797 123201 175929 177147 252963 255879 365391 369603 527787 758889 767637 1096173 1108809 1583361 2276667 2302911 3288519 3326427 4750083 6830001 9865557 9979281 14250249 20490003 29596671 29937843 42750747 61470009 88790013 128252241 266370039 384756723 799110117 1154270169 3462810507 10388431521
• Sum of all divisors σ(n): 16922112480
• Sum of proper divisors (its aliquot sum) s(n): 6533680959
• 10388431521 is a deficient number, because the sum of its proper divisors (6533680959) is less than itself. Its deficiency is 3854750562

Bases of 10388431521

• Binary: 1001101011001100101110001010100001₂
• Hexadecimal: 0x26B32E2A1
• Base-36: 4RT0529

Squares and roots of 10388431521

• 10388431521 squared (10388431521²) is 107919509466506373441
• 10388431521 cubed (10388431521³) is 1121114433872712703601881633761
• The square root of 10388431521 is 101923.6553553689
• The cube root of 10388431521 is 2181.9761225337

Scales and comparisons

• 10,388,431,521 seconds is equal to 330 years, 16 weeks, 4 days, 11 hours, 25 minutes, 21 seconds.
• To count from 1 to 10,388,431,521 would take you about six hundred sixty 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 10388431521 cubic inches would be around 181.8 feet tall.

Recreational maths with 10388431521

• 10388431521 backwards is 12513488301
• The number of decimal digits it has is: 11
• The sum of 10388431521's digits is 36
• More coming soon!