12788903140

Names of 12788903140

• Cardinal: 12788903140 can be written as Twelve billion, seven hundred eighty-eight million, nine hundred three thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.278890314 × 10¹⁰

Factors of 12788903140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5935

Divisors of 12788903140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 13 17 20 26 29 34 52 58 65 68 85 116 130 145 170 221 260 289 290 340 377 442 493 578 580 754 884 986 1105 1156 1445 1508 1885 1972 2210 2465 2890 3757 3770 4420 4930 5780 5869 6409 7514 7540 8381 9860 11738 12818 15028 16762 18785 23476 25636 29345 32045 33524 37570 41905 58690 64090 75140 76297 83810 99773 108953 117380 128180 152594 167620 170201 199546 217906 305188 340402 381485 399092 435812 498865 544765 680804 762970 851005 997730 1089530 1297049 1525940 1696141 1702010 1995460 2179060 2212613 2594098 2893417 3392282 3404020 4425226 5188196 5786834 6485245 6784564 8480705 8850452 11063065 11573668 12970490 14467085 16961410 22049833 22126130 25940980 28934170 33922820 37614421 44099666 44252260 49188089 57868340 75228842 88199332 98376178 110249165 150457684 188072105 196752356 220498330 245940445 376144210 440996660 491880890 639445157 752288420 983761780 1278890314 2557780628 3197225785 6394451570 12788903140
• Sum of all divisors σ(n): 31788867600
• Sum of proper divisors (its aliquot sum) s(n): 18999964460
• 12788903140 is an abundant number, because the sum of its proper divisors (18999964460) is greater than itself. Its abundance is 6211061320

Bases of 12788903140

• Binary: 1011111010010001110010110011100100₂
• Hexadecimal: 0x2FA472CE4
• Base-36: 5VI6KTG

Squares and roots of 12788903140

• 12788903140 squared (12788903140²) is 163556043524301859600
• 12788903140 cubed (12788903140³) is 2091702398593920718546279144000
• The square root of 12788903140 is 113088.0327001933
• The cube root of 12788903140 is 2338.5380073063

Scales and comparisons

• 12,788,903,140 seconds is equal to 406 years, 33 weeks, 4 days, 17 hours, 5 minutes, 40 seconds.
• To count from 1 to 12,788,903,140 would take you about eight hundred thirteen 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 12788903140 cubic inches would be around 194.9 feet tall.

Recreational maths with 12788903140

• 12788903140 backwards is 04130988721
• The number of decimal digits it has is: 11
• The sum of 12788903140's digits is 43
• More coming soon!