120902145

Names of 120902145

• Cardinal: 120902145 can be written as One hundred twenty million, nine hundred two thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.20902145 × 10⁸

Factors of 120902145

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3902

Divisors of 120902145

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 13 15 21 23 35 39 65 69 91 105 115 161 195 273 299 345 455 483 805 897 1365 1495 2093 2415 3851 4485 6279 10465 11553 19255 26957 31395 50063 57765 80871 88573 134785 150189 250315 265719 350441 404355 442865 620011 750945 1051323 1151449 1328595 1752205 1860033 3100055 3454347 5256615 5757245 8060143 9300165 17271735 24180429 40300715 120902145
• Sum of all divisors σ(n): 248500224
• Sum of proper divisors (its aliquot sum) s(n): 127598079
• 120902145 is an abundant number, because the sum of its proper divisors (127598079) is greater than itself. Its abundance is 6695934

Bases of 120902145

• Binary: 111001101001101001000000001₂
• Hexadecimal: 0x734D201
• Base-36: 1ZZCOX

Squares and roots of 120902145

• 120902145 squared (120902145²) is 14617328665601025
• 120902145 cubed (120902145³) is 1767266389841151636698625
• The square root of 120902145 is 10995.5511458043
• The cube root of 120902145 is 494.4753752013

Scales and comparisons

• 120,902,145 seconds is equal to 3 years, 43 weeks, 6 days, 7 hours, 55 minutes, 45 seconds.
• To count from 1 to 120,902,145 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 120902145 cubic inches would be around 41.2 feet tall.

Recreational maths with 120902145

• 120902145 backwards is 541209021
• The number of decimal digits it has is: 9
• The sum of 120902145's digits is 24
• More coming soon!