121375920

Names of 121375920

• Cardinal: 121375920 can be written as One hundred twenty-one million, three hundred seventy-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2137592 × 10⁸

Factors of 121375920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 517

Divisors of 121375920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 71 80 85 102 120 136 142 170 204 213 240 255 272 284 340 355 408 419 426 510 568 680 710 816 838 852 1020 1065 1136 1207 1257 1360 1420 1676 1704 2040 2095 2130 2414 2514 2840 3352 3408 3621 4080 4190 4260 4828 5028 5680 6035 6285 6704 7123 7242 8380 8520 9656 10056 12070 12570 14246 14484 16760 17040 18105 19312 20112 21369 24140 25140 28492 28968 29749 33520 35615 36210 42738 48280 50280 56984 57936 59498 71230 72420 85476 89247 96560 100560 106845 113968 118996 142460 144840 148745 170952 178494 213690 237992 284920 289680 297490 341904 356988 427380 446235 475984 505733 569840 594980 713976 854760 892470 1011466 1189960 1427952 1517199 1709520 1784940 2022932 2379920 2528665 3034398 3569880 4045864 5057330 6068796 7139760 7585995 8091728 10114660 12137592 15171990 20229320 24275184 30343980 40458640 60687960 121375920
• Sum of all divisors σ(n): 404974080
• Sum of proper divisors (its aliquot sum) s(n): 283598160
• 121375920 is an abundant number, because the sum of its proper divisors (283598160) is greater than itself. Its abundance is 162222240

Bases of 121375920

• Binary: 111001111000000110010110000₂
• Hexadecimal: 0x73C0CB0
• Base-36: 209I9C

Squares and roots of 121375920

• 121375920 squared (121375920²) is 14732113955846400
• 121375920 cubed (121375920³) is 1788123884935696178688000
• The square root of 121375920 is 11017.0740217173
• The cube root of 121375920 is 495.1204277953

Scales and comparisons

• 121,375,920 seconds is equal to 3 years, 44 weeks, 4 days, 19 hours, 32 minutes.
• To count from 1 to 121,375,920 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 121375920 cubic inches would be around 41.3 feet tall.

Recreational maths with 121375920

• 121375920 backwards is 029573121
• 121375920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 121375920's digits is 30
• More coming soon!