27964918989

Names of 27964918989

• Cardinal: 27964918989 can be written as Twenty-seven billion, nine hundred sixty-four million, nine hundred eighteen thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 2.7964918989 × 10¹⁰

Factors of 27964918989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5741

Divisors of 27964918989

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 23 63 69 151 161 207 453 483 529 1057 1359 1449 1587 3171 3473 3703 4761 5557 9513 10419 11109 16671 24311 31257 33327 38899 50013 72933 79879 116697 127811 218799 239637 350091 383433 559153 718911 839107 894677 1150299 1677459 2517321 2684031 2939653 5032377 5873749 7551963 8052093 8818959 17621247 19299461 20577571 26456877 52863741 57898383 61732713 135096227 173695149 185198139 405288681 443887603 1215866043 1331662809 3107213221 3994988427 9321639663 27964918989
• Sum of all divisors σ(n): 48587057792
• Sum of proper divisors (its aliquot sum) s(n): 20622138803
• 27964918989 is a deficient number, because the sum of its proper divisors (20622138803) is less than itself. Its deficiency is 7342780186

Bases of 27964918989

• Binary: 11010000010110101101100110011001101₂
• Hexadecimal: 0x682D6CCCD
• Base-36: CUHL9L9

Squares and roots of 27964918989

• 27964918989 squared (27964918989²) is 782036694061332782121
• 27964918989 cubed (27964918989³) is 21869592795850548649383752595669
• The square root of 27964918989 is 167227.1478827525
• The cube root of 27964918989 is 3035.3202679359

Scales and comparisons

• 27,964,918,989 seconds is equal to 889 years, 10 weeks, 2 days, 1 hour, 3 minutes, 9 seconds.
• To count from 1 to 27,964,918,989 would take you about one thousand, seven hundred seventy-eight 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 27964918989 cubic inches would be around 252.9 feet tall.

Recreational maths with 27964918989

• 27964918989 backwards is 98981946972
• The number of decimal digits it has is: 11
• The sum of 27964918989's digits is 72
• More coming soon!