13446581421

Names of 13446581421

• Cardinal: 13446581421 can be written as Thirteen billion, four hundred forty-six million, five hundred eighty-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.3446581421 × 10¹⁰

Factors of 13446581421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 115

Divisors of 13446581421

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 21 31 39 49 61 91 93 147 183 217 273 403 427 637 651 793 1209 1281 1519 1891 1911 2379 2821 2989 3721 4557 5551 5673 8463 8967 11163 13237 16653 19747 24583 26047 38857 39711 48373 59241 73749 78141 92659 115351 116571 145119 172081 182329 226981 277977 338611 346053 516243 546987 680943 807457 1015833 1204567 1499563 1588867 2370277 2422371 2950753 3613701 4498689 4766601 5652199 7036411 7110831 8852259 10496941 11122069 16956597 20655271 21109233 31490823 33366207 49254877 61965813 73478587 91473343 144586897 147764631 220435761 274420029 344784139 433760691 640313401 1034352417 1920940203 4482193807 13446581421
• Sum of all divisors σ(n): 23571158016
• Sum of proper divisors (its aliquot sum) s(n): 10124576595
• 13446581421 is a deficient number, because the sum of its proper divisors (10124576595) is less than itself. Its deficiency is 3322004826

Bases of 13446581421

• Binary: 1100100001011110101000110010101101₂
• Hexadecimal: 0x3217A8CAD
• Base-36: 66DQWML

Squares and roots of 13446581421

• 13446581421 squared (13446581421²) is 180810551911582379241
• 13446581421 cubed (13446581421³) is 2431283808055039655413006681461
• The square root of 13446581421 is 115959.3955701737
• The cube root of 13446581421 is 2377.9568075841

Scales and comparisons

• 13,446,581,421 seconds is equal to 427 years, 29 weeks, 17 hours, 30 minutes, 21 seconds.
• To count from 1 to 13,446,581,421 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 13446581421 cubic inches would be around 198.2 feet tall.

Recreational maths with 13446581421

• 13446581421 backwards is 12418564431
• 13446581421 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13446581421's digits is 39
• More coming soon!