138247694944

Names of 138247694944

• Cardinal: 138247694944 can be written as One hundred thirty-eight billion, two hundred forty-seven million, six hundred ninety-four thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.38247694944 × 10¹¹

Factors of 138247694944

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 470

Divisors of 138247694944

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 67 134 268 401 536 802 1072 1604 2144 3208 6416 12832 26867 53734 107468 160801 214936 321602 429872 643204 859744 1286408 2572816 5145632 10773667 21547334 43094668 64481201 86189336 128962402 172378672 257924804 344757344 515849608 1031699216 2063398432 4320240467 8640480934 17280961868 34561923736 69123847472 138247694944
• Sum of all divisors σ(n): 276928058736
• Sum of proper divisors (its aliquot sum) s(n): 138680363792
• 138247694944 is an abundant number, because the sum of its proper divisors (138680363792) is greater than itself. Its abundance is 432668848

Bases of 138247694944

• Binary: 10000000110000001101000110101001100000₂
• Hexadecimal: 0x2030346A60
• Base-36: 1RID3W4G

Squares and roots of 138247694944

• 138247694944 squared (138247694944²) is 19112425157329283163136
• 138247694944 cubed (138247694944³) is 2642248722790489944495421114384384
• The square root of 138247694944 is 371816.7491439835
• The cube root of 138247694944 is 5170.7391932683

Scales and comparisons

• 138,247,694,944 seconds is equal to 4,395 years, 44 weeks, 1 day, 1 hour, 29 minutes, 4 seconds.
• To count from 1 to 138,247,694,944 would take you about eight thousand, seven hundred ninety-one 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 138247694944 cubic inches would be around 430.9 feet tall.

Recreational maths with 138247694944

• 138247694944 backwards is 449496742831
• The number of decimal digits it has is: 12
• The sum of 138247694944's digits is 61
• More coming soon!