15400745906

Names of 15400745906

• Cardinal: 15400745906 can be written as Fifteen billion, four hundred million, seven hundred forty-five thousand, nine hundred six.

Scientific notation

• Scientific notation: 1.5400745906 × 10¹⁰

Factors of 15400745906

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 114

Divisors of 15400745906

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 13 14 19 26 38 73 91 133 146 169 182 247 266 338 361 494 511 722 949 1022 1183 1387 1729 1898 2197 2366 2527 2774 3211 3458 4394 4693 5054 6422 6643 6859 9386 9709 12337 13286 13718 15379 18031 19418 22477 24674 26353 30758 32851 36062 41743 44954 48013 52706 61009 65702 83486 86359 89167 96026 122018 126217 160381 172718 178334 184471 234403 252434 292201 320762 342589 368942 427063 468806 500707 584402 624169 685178 793117 854126 1001414 1122667 1159171 1248338 1586234 1640821 2245334 2318342 2398123 3047239 3281642 3504949 4453657 4796246 5551819 6094478 6509191 7009898 8114197 8907314 11103638 13018382 15069223 16228394 21330673 30138446 31175599 42661346 45564337 57897541 62351198 84619483 91128674 105484561 115795082 169238966 210969122 405282787 592336381 810565574 1100053279 1184672762 2200106558 7700372953 15400745906
• Sum of all divisors σ(n): 30602611200
• Sum of proper divisors (its aliquot sum) s(n): 15201865294
• 15400745906 is a deficient number, because the sum of its proper divisors (15201865294) is less than itself. Its deficiency is 198880612

Bases of 15400745906

• Binary: 1110010101111101001011101110110010₂
• Hexadecimal: 0x395F4BBB2
• Base-36: 72P7FLE

Squares and roots of 15400745906

• 15400745906 squared (15400745906²) is 237182974461175760836
• 15400745906 cubed (15400745906³) is 3652794722905855154641462137416
• The square root of 15400745906 is 124099.7417644373
• The cube root of 15400745906 is 2487.9821022801

Scales and comparisons

• 15,400,745,906 seconds is equal to 489 years, 36 weeks, 1 day, 8 hours, 58 minutes, 26 seconds.
• To count from 1 to 15,400,745,906 would take you about nine hundred seventy-nine 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 15400745906 cubic inches would be around 207.3 feet tall.

Recreational maths with 15400745906

• 15400745906 backwards is 60954700451
• The number of decimal digits it has is: 11
• The sum of 15400745906's digits is 41
• More coming soon!