12138833740

Names of 12138833740

• Cardinal: 12138833740 can be written as Twelve billion, one hundred thirty-eight million, eight hundred thirty-three thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.213883374 × 10¹⁰

Factors of 12138833740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 508

Divisors of 12138833740

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 121 220 230 242 253 460 467 484 506 605 934 1012 1210 1265 1868 2335 2420 2530 2783 4670 5060 5137 5566 9340 10274 10741 11132 13915 20548 21482 25685 27830 42964 51370 53705 55660 56507 102740 107410 113014 118151 214820 218089 226028 236302 282535 436178 472604 565070 590755 872356 1090445 1130140 1181510 1299661 2180890 2363020 2398979 2599322 4361780 4797958 5016047 5198644 6498305 9595916 10032094 11994895 12996610 20064188 23989790 25080235 25993220 26388769 47979580 50160470 52777538 55176517 100320940 105555076 110353034 131943845 220706068 263887690 275882585 527775380 551765170 606941687 1103530340 1213883374 2427766748 3034708435 6069416870 12138833740
• Sum of all divisors σ(n): 29300625648
• Sum of proper divisors (its aliquot sum) s(n): 17161791908
• 12138833740 is an abundant number, because the sum of its proper divisors (17161791908) is greater than itself. Its abundance is 5022958168

Bases of 12138833740

• Binary: 1011010011100001111110011101001100₂
• Hexadecimal: 0x2D387E74C
• Base-36: 5KR5C24

Squares and roots of 12138833740

• 12138833740 squared (12138833740²) is 147351284567362387600
• 12138833740 cubed (12138833740³) is 1788672744738639853405837624000
• The square root of 12138833740 is 110176.3755984013
• The cube root of 12138833740 is 2298.2238170957

Scales and comparisons

• 12,138,833,740 seconds is equal to 385 years, 50 weeks, 5 days, 18 hours, 15 minutes, 40 seconds.
• To count from 1 to 12,138,833,740 would take you about seven hundred seventy-one 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 12138833740 cubic inches would be around 191.5 feet tall.

Recreational maths with 12138833740

• 12138833740 backwards is 04733883121
• The number of decimal digits it has is: 11
• The sum of 12138833740's digits is 40
• More coming soon!