38985321690

Names of 38985321690

• Cardinal: 38985321690 can be written as Thirty-eight billion, nine hundred eighty-five million, three hundred twenty-one thousand, six hundred ninety.

Scientific notation

• Scientific notation: 3.898532169 × 10¹⁰

Factors of 38985321690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1262904

Divisors of 38985321690

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 343 441 490 630 686 735 882 1029 1470 1715 2058 2205 3087 3430 4410 5145 6174 10290 15435 30870 1262887 2525774 3788661 6314435 7577322 8840209 11365983 12628870 17680418 18943305 22731966 26520627 37886610 44201045 53041254 56829915 61881463 79561881 88402090 113659830 123762926 132603135 159123762 185644389 265206270 309407315 371288778 397809405 433170241 556933167 618814630 795618810 866340482 928221945 1113866334 1299510723 1856443890 2165851205 2599021446 2784665835 3898532169 4331702410 5569331670 6497553615 7797064338 12995107230 19492660845 38985321690
• Sum of all divisors σ(n): 118206316800
• Sum of proper divisors (its aliquot sum) s(n): 79220995110
• 38985321690 is an abundant number, because the sum of its proper divisors (79220995110) is greater than itself. Its abundance is 40235673420

Bases of 38985321690

• Binary: 100100010011101101001100110011011010₂
• Hexadecimal: 0x913B4CCDA
• Base-36: HWQUQQI

Squares and roots of 38985321690

• 38985321690 squared (38985321690²) is 1519855307272784456100
• 38985321690 cubed (38985321690³) is 59252048076283298603090182809000
• The square root of 38985321690 is 197447.0098279535
• The cube root of 38985321690 is 3390.7859430229

Scales and comparisons

• 38,985,321,690 seconds is equal to 1,239 years, 31 weeks, 6 days, 1 minute, 30 seconds.
• To count from 1 to 38,985,321,690 would take you about two thousand, four hundred seventy-nine 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 38985321690 cubic inches would be around 282.6 feet tall.

Recreational maths with 38985321690

• 38985321690 backwards is 09612358983
• The number of decimal digits it has is: 11
• The sum of 38985321690's digits is 54
• More coming soon!