21138131014

Names of 21138131014

• Cardinal: 21138131014 can be written as Twenty-one billion, one hundred thirty-eight million, one hundred thirty-one thousand and fourteen.

Scientific notation

• Scientific notation: 2.1138131014 × 10¹⁰

Factors of 21138131014

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11051

Divisors of 21138131014

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 11 13 14 22 26 31 62 77 91 143 154 182 217 286 341 403 434 682 806 961 1001 1922 2002 2387 2821 4433 4774 5642 6727 8866 10571 10987 12493 13454 21142 21974 24986 31031 62062 73997 76909 87451 120857 137423 142831 147994 153818 174902 241714 274846 285662 340597 681194 845999 961961 999817 1571141 1691998 1923922 1999634 2384179 3142282 3746567 4427761 4768358 7493134 8855522 10558507 10997987 21117014 21995974 26225969 30994327 48705371 52451938 61988654 73909549 97410742 116143577 137260591 147819098 232287154 274521182 340937597 681875194 813005039 960824137 1509866501 1626010078 1921648274 3019733002 10569065507 21138131014
• Sum of all divisors σ(n): 43993490688
• Sum of proper divisors (its aliquot sum) s(n): 22855359674
• 21138131014 is an abundant number, because the sum of its proper divisors (22855359674) is greater than itself. Its abundance is 1717228660

Bases of 21138131014

• Binary: 10011101011111011100100100001000110₂
• Hexadecimal: 0x4EBEE4846
• Base-36: 9PL3I9Y

Squares and roots of 21138131014

• 21138131014 squared (21138131014²) is 446820582765028668196
• 21138131014 cubed (21138131014³) is 9444952018239006365792983030744
• The square root of 21138131014 is 145389.5835814933
• The cube root of 21138131014 is 2764.9600568009

Scales and comparisons

• 21,138,131,014 seconds is equal to 672 years, 6 weeks, 4 days, 7 hours, 3 minutes, 34 seconds.
• To count from 1 to 21,138,131,014 would take you about one thousand, three hundred forty-four 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 21138131014 cubic inches would be around 230.4 feet tall.

Recreational maths with 21138131014

• 21138131014 backwards is 41013183112
• The number of decimal digits it has is: 11
• The sum of 21138131014's digits is 25
• More coming soon!