138989883424

Names of 138989883424

• Cardinal: 138989883424 can be written as One hundred thirty-eight billion, nine hundred eighty-nine million, eight hundred eighty-three thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.38989883424 × 10¹¹

Factors of 138989883424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 157102

Divisors of 138989883424

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 59 67 112 118 134 224 236 268 413 469 472 536 826 938 944 1072 1652 1876 1888 2144 3304 3752 3953 6608 7504 7906 13216 15008 15812 27671 31624 55342 63248 110684 126496 156967 221368 313934 442736 627868 885472 1098769 1255736 2197538 2511472 4395076 5022944 8790152 9261053 10516789 17580304 18522106 21033578 35160608 37044212 42067156 64827371 73617523 74088424 84134312 129654742 147235046 148176848 168268624 259309484 294470092 296353696 336537248 518618968 588940184 620490551 1037237936 1177880368 1240981102 2074475872 2355760736 2481962204 4343433857 4963924408 8686867714 9927848816 17373735428 19855697632 34747470856 69494941712 138989883424
• Sum of all divisors σ(n): 322776437760
• Sum of proper divisors (its aliquot sum) s(n): 183786554336
• 138989883424 is an abundant number, because the sum of its proper divisors (183786554336) is greater than itself. Its abundance is 44796670912

Bases of 138989883424

• Binary: 10000001011100011100010101000000100000₂
• Hexadecimal: 0x205C715020
• Base-36: 1RUMZKF4

Squares and roots of 138989883424

• 138989883424 squared (138989883424²) is 19318187694217109963776
• 138989883424 cubed (138989883424³) is 2685032655582187472811415102849024
• The square root of 138989883424 is 372813.4700141613
• The cube root of 138989883424 is 5179.9757931319

Scales and comparisons

• 138,989,883,424 seconds is equal to 4,419 years, 23 weeks, 2 days, 4 hours, 57 minutes, 4 seconds.
• To count from 1 to 138,989,883,424 would take you about eight thousand, eight hundred thirty-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 138989883424 cubic inches would be around 431.7 feet tall.

Recreational maths with 138989883424

• 138989883424 backwards is 424388989831
• 138989883424 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138989883424's digits is 67
• More coming soon!