13457894220

Names of 13457894220

• Cardinal: 13457894220 can be written as Thirteen billion, four hundred fifty-seven million, eight hundred ninety-four thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.345789422 × 10¹⁰

Factors of 13457894220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1594

Divisors of 13457894220

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1553 1860 2790 3106 4659 5580 6212 7765 9318 13977 15530 18636 23295 27954 31060 46590 48143 55908 69885 93180 96286 139770 144429 192572 240715 279540 288858 433287 481430 577716 722145 866574 962860 1444290 1733148 2166435 2411809 2888580 4332870 4823618 7235427 8665740 9647236 12059045 14470854 21706281 24118090 28941708 36177135 43412562 48236180 72354270 74766079 86825124 108531405 144708540 149532158 217062810 224298237 299064316 373830395 434125620 448596474 672894711 747660790 897192948 1121491185 1345789422 1495321580 2242982370 2691578844 3364473555 4485964740 6728947110 13457894220
• Sum of all divisors σ(n): 42166278336
• Sum of proper divisors (its aliquot sum) s(n): 28708384116
• 13457894220 is an abundant number, because the sum of its proper divisors (28708384116) is greater than itself. Its abundance is 15250489896

Bases of 13457894220

• Binary: 1100100010001001110010101101001100₂
• Hexadecimal: 0x322272B4C
• Base-36: 66KHDN0

Squares and roots of 13457894220

• 13457894220 squared (13457894220²) is 181114916836709408400
• 13457894220 cubed (13457894220³) is 2437425392452532231125979448000
• The square root of 13457894220 is 116008.1644540591
• The cube root of 13457894220 is 2378.6234902129

Scales and comparisons

• 13,457,894,220 seconds is equal to 427 years, 47 weeks, 5 days, 15 hours, 57 minutes.
• To count from 1 to 13,457,894,220 would take you about eight hundred fifty-five 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 13457894220 cubic inches would be around 198.2 feet tall.

Recreational maths with 13457894220

• 13457894220 backwards is 02249875431
• 13457894220 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13457894220's digits is 45
• More coming soon!