138925990860

Names of 138925990860

• Cardinal: 138925990860 can be written as One hundred thirty-eight billion, nine hundred twenty-five million, nine hundred ninety thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 1.3892599086 × 10¹¹

Factors of 138925990860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 172

Divisors of 138925990860

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 61 101 122 183 202 244 303 305 366 404 505 606 610 732 915 1010 1212 1220 1515 1830 2020 3030 3660 3721 6060 6161 7442 10201 11163 12322 14884 18483 18605 20402 22326 24644 30603 30805 36966 37210 40804 44652 51005 55815 61206 61610 73932 74420 92415 102010 111630 122412 123220 153015 184830 204020 223260 226981 306030 369660 375821 453962 612060 622261 680943 751642 907924 1127463 1134905 1244522 1361886 1503284 1866783 1879105 2254926 2269810 2489044 2723772 3111305 3404715 3733566 3758210 4509852 4539620 5637315 6222610 6809430 7467132 7516420 9333915 11274630 12445220 13618860 18667830 22549260 22925081 37335660 37957921 45850162 68775243 75915842 91700324 113873763 114625405 137550486 151831684 189789605 227747526 229250810 275100972 343876215 379579210 455495052 458501620 569368815 687752430 759158420 1138737630 1375504860 2277475260 2315433181 4630866362 6946299543 9261732724 11577165905 13892599086 23154331810 27785198172 34731497715 46308663620 69462995430 138925990860
• Sum of all divisors σ(n): 399430330656
• Sum of proper divisors (its aliquot sum) s(n): 260504339796
• 138925990860 is an abundant number, because the sum of its proper divisors (260504339796) is greater than itself. Its abundance is 121578348936

Bases of 138925990860

• Binary: 10000001011000101000100110001111001100₂
• Hexadecimal: 0x2058A263CC
• Base-36: 1RTKY4LO

Squares and roots of 138925990860

• 138925990860 squared (138925990860²) is 19300430936432803539600
• 138925990860 cubed (138925990860³) is 2681331491868924905546645248056000
• The square root of 138925990860 is 372727.7704437919
• The cube root of 138925990860 is 5179.1819400033

Scales and comparisons

• 138,925,990,860 seconds is equal to 4,417 years, 21 weeks, 4 days, 17 hours, 1 minute.
• To count from 1 to 138,925,990,860 would take you about eight thousand, eight hundred thirty-four 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 138925990860 cubic inches would be around 431.6 feet tall.

Recreational maths with 138925990860

• 138925990860 backwards is 068099529831
• 138925990860 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138925990860's digits is 60
• More coming soon!