138701582768

Names of 138701582768

• Cardinal: 138701582768 can be written as One hundred thirty-eight billion, seven hundred one million, five hundred eighty-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38701582768 × 10¹¹

Factors of 138701582768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1829943

Divisors of 138701582768

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 677 1354 2708 4739 5416 9478 10832 18956 37912 75824 1829257 3658514 7317028 12804799 14634056 25609598 29268112 51219196 102438392 204876784 1238406989 2476813978 4953627956 8668848923 9907255912 17337697846 19814511824 34675395692 69350791384 138701582768
• Sum of all divisors σ(n): 307578757152
• Sum of proper divisors (its aliquot sum) s(n): 168877174384
• 138701582768 is an abundant number, because the sum of its proper divisors (168877174384) is greater than itself. Its abundance is 30175591616

Bases of 138701582768

• Binary: 10000001001011010000100011000110110000₂
• Hexadecimal: 0x204B4231B0
• Base-36: 1RPVCA7K

Squares and roots of 138701582768

• 138701582768 squared (138701582768²) is 19238129062348354541824
• 138701582768 cubed (138701582768³) is 2668358950442776529931410253688832
• The square root of 138701582768 is 372426.6139362223
• The cube root of 138701582768 is 5176.3917812787

Scales and comparisons

• 138,701,582,768 seconds is equal to 4,410 years, 14 weeks, 4 days, 9 hours, 26 minutes, 8 seconds.
• To count from 1 to 138,701,582,768 would take you about eight thousand, eight hundred twenty 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 138701582768 cubic inches would be around 431.4 feet tall.

Recreational maths with 138701582768

• 138701582768 backwards is 867285107831
• 138701582768 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138701582768's digits is 56
• More coming soon!