7138811862

Names of 7138811862

• Cardinal: 7138811862 can be written as Seven billion, one hundred thirty-eight million, eight hundred eleven thousand, eight hundred sixty-two.

Scientific notation

• Scientific notation: 7.138811862 × 10⁹

Factors of 7138811862

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 622632

Divisors of 7138811862

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 117 126 147 182 234 273 294 441 546 637 819 882 1274 1638 1911 3822 5733 11466 622607 1245214 1867821 3735642 4358249 5603463 8093891 8716498 11206926 13074747 16187782 24281673 26149494 30507743 39224241 48563346 56657237 61015486 72845019 78448482 91523229 113314474 145690038 169971711 183046458 274569687 339943422 396600659 509915133 549139374 793201318 1019830266 1189801977 2379603954 3569405931 7138811862
• Sum of all divisors σ(n): 19376806176
• Sum of proper divisors (its aliquot sum) s(n): 12237994314
• 7138811862 is an abundant number, because the sum of its proper divisors (12237994314) is greater than itself. Its abundance is 5099182452

Bases of 7138811862

• Binary: 110101001100000011001111111010110₂
• Hexadecimal: 0x1A9819FD6
• Base-36: 3A29IHI

Squares and roots of 7138811862

• 7138811862 squared (7138811862²) is 50962634801031907044
• 7138811862 cubed (7138811862³) is 363812661836380587846188555928
• The square root of 7138811862 is 84491.4898791589
• The cube root of 7138811862 is 1925.4931540919

Scales and comparisons

• 7,138,811,862 seconds is equal to 226 years, 51 weeks, 4 days, 3 hours, 17 minutes, 42 seconds.
• To count from 1 to 7,138,811,862 would take you about four hundred fifty-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 7138811862 cubic inches would be around 160.5 feet tall.

Recreational maths with 7138811862

• 7138811862 backwards is 2681188317
• The number of decimal digits it has is: 10
• The sum of 7138811862's digits is 45
• More coming soon!