138964000

Names of 138964000

• Cardinal: 138964000 can be written as One hundred thirty-eight million, nine hundred sixty-four thousand.

Scientific notation

• Scientific notation: 1.38964 × 10⁸

Factors of 138964000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 723

Divisors of 138964000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 125 140 160 175 196 200 224 245 250 280 350 392 400 490 500 560 700 709 784 800 875 980 1000 1120 1225 1400 1418 1568 1750 1960 2000 2450 2800 2836 3500 3545 3920 4000 4900 4963 5600 5672 6125 7000 7090 7840 9800 9926 11344 12250 14000 14180 17725 19600 19852 22688 24500 24815 28000 28360 34741 35450 39200 39704 49000 49630 56720 69482 70900 79408 88625 98000 99260 113440 124075 138964 141800 158816 173705 177250 196000 198520 248150 277928 283600 347410 354500 397040 496300 555856 567200 620375 694820 709000 794080 868525 992600 1111712 1240750 1389640 1418000 1737050 1985200 2481500 2779280 2836000 3474100 3970400 4342625 4963000 5558560 6948200 8685250 9926000 13896400 17370500 19852000 27792800 34741000 69482000 138964000
• Sum of all divisors σ(n): 397739160
• Sum of proper divisors (its aliquot sum) s(n): 258775160
• 138964000 is an abundant number, because the sum of its proper divisors (258775160) is greater than itself. Its abundance is 119811160

Bases of 138964000

• Binary: 1000010010000110110000100000₂
• Hexadecimal: 0x8486C20
• Base-36: 2AQHB4

Squares and roots of 138964000

• 138964000 squared (138964000²) is 19310993296000000
• 138964000 cubed (138964000³) is 2683532872385344000000000
• The square root of 138964000 is 11788.2992836117
• The cube root of 138964000 is 517.9654225763

Scales and comparisons

• 138,964,000 seconds is equal to 4 years, 21 weeks, 5 days, 9 hours, 6 minutes, 40 seconds.
• To count from 1 to 138,964,000 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 138964000 cubic inches would be around 43.2 feet tall.

Recreational maths with 138964000

• 138964000 backwards is 000469831
• The number of decimal digits it has is: 9
• The sum of 138964000's digits is 31
• More coming soon!