12931102989

Names of 12931102989

• Cardinal: 12931102989 can be written as Twelve billion, nine hundred thirty-one million, one hundred two thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.2931102989 × 10¹⁰

Factors of 12931102989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 689

Divisors of 12931102989

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 7 9 17 21 49 51 63 119 147 153 241 289 357 421 441 723 833 867 1071 1263 1687 2023 2169 2499 2601 2947 3789 4097 5061 6069 7157 7497 8841 11809 12291 14161 15183 18207 20629 21471 26523 28679 35427 36873 42483 50099 61887 64413 69649 86037 101461 106281 121669 127449 150297 185661 200753 208947 258111 304383 350693 365007 450891 487543 602259 626841 710227 851683 913149 1052079 1095021 1462629 1724837 1806777 2130681 2555049 3156237 3412801 4387887 4971589 5174511 5961781 6392043 7665147 10238403 12073859 14914767 15523533 17885343 29322229 30715209 36221577 44744301 53656029 84517013 87966687 108664731 205255603 253551039 263900061 615766809 760653117 1436789221 1847300427 4310367663 12931102989
• Sum of all divisors σ(n): 23231882388
• Sum of proper divisors (its aliquot sum) s(n): 10300779399
• 12931102989 is a deficient number, because the sum of its proper divisors (10300779399) is less than itself. Its deficiency is 2630323590

Bases of 12931102989

• Binary: 1100000010110000001111100100001101₂
• Hexadecimal: 0x302C0F90D
• Base-36: 5XUUEX9

Squares and roots of 12931102989

• 12931102989 squared (12931102989²) is 167213424512124734121
• 12931102989 cubed (12931102989³) is 2162254013509662016132893387669
• The square root of 12931102989 is 113715.0077562325
• The cube root of 12931102989 is 2347.1734834919

Scales and comparisons

• 12,931,102,989 seconds is equal to 411 years, 8 weeks, 5 days, 13 hours, 3 minutes, 9 seconds.
• To count from 1 to 12,931,102,989 would take you about eight hundred twenty-two 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 12931102989 cubic inches would be around 195.6 feet tall.

Recreational maths with 12931102989

• 12931102989 backwards is 98920113921
• The number of decimal digits it has is: 11
• The sum of 12931102989's digits is 45
• More coming soon!