138612448

Names of 138612448

• Cardinal: 138612448 can be written as One hundred thirty-eight million, six hundred twelve thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.38612448 × 10⁸

Factors of 138612448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 105

Divisors of 138612448

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 71 76 104 142 152 169 208 247 284 304 338 361 416 494 568 608 676 722 923 988 1136 1349 1352 1444 1846 1976 2272 2698 2704 2888 3211 3692 3952 4693 5396 5408 5776 6422 7384 7904 9386 10792 11552 11999 12844 14768 17537 18772 21584 23998 25631 25688 29536 35074 37544 43168 47996 51262 51376 61009 70148 75088 95992 102524 102752 122018 140296 150176 191984 205048 227981 244036 280592 333203 383968 410096 455962 488072 561184 666406 820192 911924 976144 1332812 1823848 1952288 2665624 3647696 4331639 5331248 7295392 8663278 10662496 17326556 34653112 69306224 138612448
• Sum of all divisors σ(n): 316263528
• Sum of proper divisors (its aliquot sum) s(n): 177651080
• 138612448 is an abundant number, because the sum of its proper divisors (177651080) is greater than itself. Its abundance is 39038632

Bases of 138612448

• Binary: 1000010000110000111011100000₂
• Hexadecimal: 0x8430EE0
• Base-36: 2AIY1S

Squares and roots of 138612448

• 138612448 squared (138612448²) is 19213410740552704
• 138612448 cubed (138612448³) is 2663217897177503174459392
• The square root of 138612448 is 11773.3787843593
• The cube root of 138612448 is 517.5282696717

Scales and comparisons

• 138,612,448 seconds is equal to 4 years, 21 weeks, 1 day, 7 hours, 27 minutes, 28 seconds.
• To count from 1 to 138,612,448 would take you about 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 138612448 cubic inches would be around 43.1 feet tall.

Recreational maths with 138612448

• 138612448 backwards is 844216831
• The number of decimal digits it has is: 9
• The sum of 138612448's digits is 37
• More coming soon!