121379963145

Names of 121379963145

• Cardinal: 121379963145 can be written as One hundred twenty-one billion, three hundred seventy-nine million, nine hundred sixty-three thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.21379963145 × 10¹¹

Factors of 121379963145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 436127

Divisors of 121379963145

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 7 15 21 35 49 105 147 245 379 735 1137 1895 2653 5685 7959 13265 18571 39795 55713 92855 278565 435733 1307199 2178665 3050131 6535995 9150393 15250655 21350917 45751965 64052751 106754585 165142807 320263755 495428421 825714035 1155999649 2477142105 3467998947 5779998245 8091997543 17339994735 24275992629 40459987715 121379963145
• Sum of all divisors σ(n): 226511962560
• Sum of proper divisors (its aliquot sum) s(n): 105131999415
• 121379963145 is a deficient number, because the sum of its proper divisors (105131999415) is less than itself. Its deficiency is 16247963730

Bases of 121379963145

• Binary: 1110001000010110011110100000100001001₂
• Hexadecimal: 0x1C42CF4109
• Base-36: 1JREHUYX

Squares and roots of 121379963145

• 121379963145 squared (121379963145²) is 14733095453081558291025
• 121379963145 cubed (121379963145³) is 1788302583106806622043783684273625
• The square root of 121379963145 is 348396.2731502735
• The cube root of 121379963145 is 4951.2592537505

Scales and comparisons

• 121,379,963,145 seconds is equal to 3,859 years, 26 weeks, 2 days, 16 hours, 25 minutes, 45 seconds.
• To count from 1 to 121,379,963,145 would take you about seven thousand, seven hundred nineteen 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 121379963145 cubic inches would be around 412.6 feet tall.

Recreational maths with 121379963145

• 121379963145 backwards is 541369973121
• The number of decimal digits it has is: 12
• The sum of 121379963145's digits is 51
• More coming soon!