138371370

Names of 138371370

• Cardinal: 138371370 can be written as One hundred thirty-eight million, three hundred seventy-one thousand, three hundred seventy.

Scientific notation

• Scientific notation: 1.3837137 × 10⁸

Factors of 138371370

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 535

Divisors of 138371370

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 131 137 257 262 274 393 411 514 655 685 771 786 822 1285 1310 1370 1542 1965 2055 2570 3855 3930 4110 7710 17947 33667 35209 35894 53841 67334 70418 89735 101001 105627 107682 168335 176045 179470 202002 211254 269205 336670 352090 505005 528135 538410 1010010 1056270 4612379 9224758 13837137 23061895 27674274 46123790 69185685 138371370
• Sum of all divisors σ(n): 338380416
• Sum of proper divisors (its aliquot sum) s(n): 200009046
• 138371370 is an abundant number, because the sum of its proper divisors (200009046) is greater than itself. Its abundance is 61637676

Bases of 138371370

• Binary: 1000001111110110000100101010₂
• Hexadecimal: 0x83F612A
• Base-36: 2ADS16

Squares and roots of 138371370

• 138371370 squared (138371370²) is 19146636035676900
• 138371370 cubed (138371370³) is 2649346259147981530353000
• The square root of 138371370 is 11763.1360614421
• The cube root of 138371370 is 517.2280631529

Scales and comparisons

• 138,371,370 seconds is equal to 4 years, 20 weeks, 5 days, 12 hours, 29 minutes, 30 seconds.
• To count from 1 to 138,371,370 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 138371370 cubic inches would be around 43.1 feet tall.

Recreational maths with 138371370

• 138371370 backwards is 073173831
• The number of decimal digits it has is: 9
• The sum of 138371370's digits is 33
• More coming soon!