139983900

Names of 139983900

• Cardinal: 139983900 can be written as One hundred thirty-nine million, nine hundred eighty-three thousand, nine hundred.

Scientific notation

• Scientific notation: 1.399839 × 10⁸

Factors of 139983900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 557

Divisors of 139983900

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 191 210 300 349 350 382 420 525 573 698 700 764 955 1047 1050 1146 1337 1396 1745 1910 2094 2100 2292 2443 2674 2865 3490 3820 4011 4188 4775 4886 5235 5348 5730 6685 6980 7329 8022 8725 9550 9772 10470 11460 12215 13370 14325 14658 16044 17450 19100 20055 20940 24430 26175 26740 28650 29316 33425 34900 36645 40110 48860 52350 57300 61075 66659 66850 73290 80220 100275 104700 122150 133318 133700 146580 183225 199977 200550 244300 266636 333295 366450 399954 401100 466613 666590 732900 799908 933226 999885 1333180 1399839 1666475 1866452 1999770 2333065 2799678 3332950 3999540 4666130 4999425 5599356 6665900 6999195 9332260 9998850 11665325 13998390 19997700 23330650 27996780 34995975 46661300 69991950 139983900
• Sum of all divisors σ(n): 466636800
• Sum of proper divisors (its aliquot sum) s(n): 326652900
• 139983900 is an abundant number, because the sum of its proper divisors (326652900) is greater than itself. Its abundance is 186669000

Bases of 139983900

• Binary: 1000010101111111110000011100₂
• Hexadecimal: 0x857FC1C
• Base-36: 2BCC9O

Squares and roots of 139983900

• 139983900 squared (139983900²) is 19595492259210000
• 139983900 cubed (139983900³) is 2743053428864026719000000
• The square root of 139983900 is 11831.4791974631
• The cube root of 139983900 is 519.2295048615

Scales and comparisons

• 139,983,900 seconds is equal to 4 years, 23 weeks, 3 days, 4 hours, 25 minutes.
• To count from 1 to 139,983,900 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 139983900 cubic inches would be around 43.3 feet tall.

Recreational maths with 139983900

• 139983900 backwards is 009389931
• 139983900 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139983900's digits is 42
• More coming soon!