120738891

Names of 120738891

• Cardinal: 120738891 can be written as One hundred twenty million, seven hundred thirty-eight thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 1.20738891 × 10⁸

Factors of 120738891

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 154

Divisors of 120738891

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 21 23 39 41 49 67 69 91 123 147 161 201 273 287 299 469 483 533 637 861 871 897 943 1127 1407 1541 1599 1911 2009 2093 2613 2747 2829 3283 3381 3731 4623 6027 6097 6279 6601 8241 9849 10787 11193 12259 14651 18291 19229 19803 20033 26117 32361 35711 36777 42679 43953 46207 57687 60099 63181 75509 78351 85813 107133 128037 134603 138621 140231 189543 226527 249977 257439 403809 420693 442267 600691 749931 821353 981617 1326801 1749839 1802073 2464059 2944851 3095869 5249517 5749471 9287607 17248413 40246297 120738891
• Sum of all divisors σ(n): 218792448
• Sum of proper divisors (its aliquot sum) s(n): 98053557
• 120738891 is a deficient number, because the sum of its proper divisors (98053557) is less than itself. Its deficiency is 22685334

Bases of 120738891

• Binary: 111001100100101010001001011₂
• Hexadecimal: 0x732544B
• Base-36: 1ZVUQ3

Squares and roots of 120738891

• 120738891 squared (120738891²) is 14577879799909881
• 120738891 cubed (120738891³) is 1760117040172420931881971
• The square root of 120738891 is 10988.1249992891
• The cube root of 120738891 is 494.2527118109

Scales and comparisons

• 120,738,891 seconds is equal to 3 years, 43 weeks, 4 days, 10 hours, 34 minutes, 51 seconds.
• To count from 1 to 120,738,891 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 120738891 cubic inches would be around 41.2 feet tall.

Recreational maths with 120738891

• 120738891 backwards is 198837021
• 120738891 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 120738891's digits is 39
• More coming soon!