13472639978

Names of 13472639978

• Cardinal: 13472639978 can be written as Thirteen billion, four hundred seventy-two million, six hundred thirty-nine thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3472639978 × 10¹⁰

Factors of 13472639978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 201758

Divisors of 13472639978

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 17 34 119 238 281 562 1967 3934 4777 9554 33439 66878 201451 402902 1410157 2820314 3424667 6849334 23972669 47945338 56607731 113215462 396254117 792508234 962331427 1924662854 6736319989 13472639978
• Sum of all divisors σ(n): 24541688448
• Sum of proper divisors (its aliquot sum) s(n): 11069048470
• 13472639978 is a deficient number, because the sum of its proper divisors (11069048470) is less than itself. Its deficiency is 2403591508

Bases of 13472639978

• Binary: 1100100011000010000010101111101010₂
• Hexadecimal: 0x323082BEA
• Base-36: 66T9FJE

Squares and roots of 13472639978

• 13472639978 squared (13472639978²) is 181512027976803840484
• 13472639978 cubed (13472639978³) is 2445446204608141877968673269352
• The square root of 13472639978 is 116071.7018829309
• The cube root of 13472639978 is 2379.4919223567

Scales and comparisons

• 13,472,639,978 seconds is equal to 428 years, 20 weeks, 1 day, 7 hours, 59 minutes, 38 seconds.
• To count from 1 to 13,472,639,978 would take you about eight hundred fifty-six 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 13472639978 cubic inches would be around 198.3 feet tall.

Recreational maths with 13472639978

• 13472639978 backwards is 87993627431
• The number of decimal digits it has is: 11
• The sum of 13472639978's digits is 59
• More coming soon!