121748913

Names of 121748913

• Cardinal: 121748913 can be written as One hundred twenty-one million, seven hundred forty-eight thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.21748913 × 10⁸

Factors of 121748913

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 507

Divisors of 121748913

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 11 13 23 27 33 39 69 81 99 117 143 207 253 297 299 351 429 457 621 759 891 897 1053 1287 1371 1863 2277 2691 3289 3861 4113 5027 5941 6831 8073 9867 10511 11583 12339 15081 17823 20493 24219 29601 31533 37017 45243 53469 65351 88803 94599 115621 135729 136643 160407 196053 266409 283797 346863 407187 409929 481221 588159 851391 1040589 1229787 1503073 1764477 3121767 3689361 4509219 5293431 9365301 11068083 13527657 40582971 121748913
• Sum of all divisors σ(n): 223445376
• Sum of proper divisors (its aliquot sum) s(n): 101696463
• 121748913 is a deficient number, because the sum of its proper divisors (101696463) is less than itself. Its deficiency is 20052450

Bases of 121748913

• Binary: 111010000011011110110110001₂
• Hexadecimal: 0x741BDB1
• Base-36: 20HI29

Squares and roots of 121748913

• 121748913 squared (121748913²) is 14822797816681569
• 121748913 cubed (121748913³) is 1804659521799754292884497
• The square root of 121748913 is 11033.9889885753
• The cube root of 121748913 is 495.6270840397

Scales and comparisons

• 121,748,913 seconds is equal to 3 years, 45 weeks, 2 days, 3 hours, 8 minutes, 33 seconds.
• To count from 1 to 121,748,913 would take you about five 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 121748913 cubic inches would be around 41.3 feet tall.

Recreational maths with 121748913

• 121748913 backwards is 319847121
• The number of decimal digits it has is: 9
• The sum of 121748913's digits is 36
• More coming soon!