13978681425

Names of 13978681425

• Cardinal: 13978681425 can be written as Thirteen billion, nine hundred seventy-eight million, six hundred eighty-one thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.3978681425 × 10¹⁰

Factors of 13978681425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15735

Divisors of 13978681425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 19 25 45 57 75 95 171 211 225 285 475 633 855 1055 1425 1899 3165 4009 4275 5275 9495 12027 15497 15825 20045 36081 46491 47475 60135 77485 100225 139473 180405 232455 294443 300675 387425 697365 883329 902025 1162275 1472215 2649987 3269867 3486825 4416645 7361075 9809601 13249935 16349335 22083225 29428803 49048005 62127473 66249675 81746675 147144015 186382419 245240025 310637365 559147257 735720075 931912095 1553186825 2795736285 4659560475 13978681425
• Sum of all divisors σ(n): 26481742560
• Sum of proper divisors (its aliquot sum) s(n): 12503061135
• 13978681425 is a deficient number, because the sum of its proper divisors (12503061135) is less than itself. Its deficiency is 1475620290

Bases of 13978681425

• Binary: 1101000001001100011100000001010001₂
• Hexadecimal: 0x34131C051
• Base-36: 6F6JNM9

Squares and roots of 13978681425

• 13978681425 squared (13978681425²) is 195403534381640030625
• 13978681425 cubed (13978681425³) is 2731483756439980357134118640625
• The square root of 13978681425 is 118231.4739187497
• The cube root of 13978681425 is 2408.9182903459

Scales and comparisons

• 13,978,681,425 seconds is equal to 444 years, 24 weeks, 6 days, 7 hours, 3 minutes, 45 seconds.
• To count from 1 to 13,978,681,425 would take you about eight hundred eighty-eight 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 13978681425 cubic inches would be around 200.7 feet tall.

Recreational maths with 13978681425

• 13978681425 backwards is 52418687931
• The number of decimal digits it has is: 11
• The sum of 13978681425's digits is 54
• More coming soon!