121595985

Names of 121595985

• Cardinal: 121595985 can be written as One hundred twenty-one million, five hundred ninety-five thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.21595985 × 10⁸

Factors of 121595985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 61

Divisors of 121595985

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 29 35 45 51 63 81 85 87 105 119 135 145 153 189 203 243 255 261 315 357 405 435 459 493 567 595 609 765 783 841 945 1015 1071 1215 1305 1377 1479 1701 1785 1827 2295 2349 2465 2523 2835 3045 3213 3451 3915 4131 4205 4437 5355 5481 5887 6885 7047 7395 7569 8505 9135 9639 10353 11745 12615 13311 14297 16065 16443 17255 17661 20655 22185 22707 27405 28917 29435 31059 35235 37845 39933 42891 48195 49329 51765 52983 66555 68121 71485 82215 88305 93177 100079 113535 119799 128673 144585 155295 158949 199665 204363 214455 246645 264915 279531 300237 340605 386019 465885 476847 500395 598995 643365 794745 838593 900711 1021815 1158057 1397655 1430541 1501185 1930095 2384235 2702133 3474171 4192965 4503555 5790285 7152705 8106399 13510665 17370855 24319197 40531995 121595985
• Sum of all divisors σ(n): 273926016
• Sum of proper divisors (its aliquot sum) s(n): 152330031
• 121595985 is an abundant number, because the sum of its proper divisors (152330031) is greater than itself. Its abundance is 30734046

Bases of 121595985

• Binary: 111001111110110100001010001₂
• Hexadecimal: 0x73F6851
• Base-36: 20E829

Squares and roots of 121595985

• 121595985 squared (121595985²) is 14785583568120225
• 121595985 cubed (121595985³) is 1797867597765393357296625
• The square root of 121595985 is 11027.0569509729
• The cube root of 121595985 is 495.4194791301

Scales and comparisons

• 121,595,985 seconds is equal to 3 years, 45 weeks, 8 hours, 39 minutes, 45 seconds.
• To count from 1 to 121,595,985 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 121595985 cubic inches would be around 41.3 feet tall.

Recreational maths with 121595985

• 121595985 backwards is 589595121
• 121595985 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 121595985's digits is 45
• More coming soon!