121888980

Names of 121888980

• Cardinal: 121888980 can be written as One hundred twenty-one million, eight hundred eighty-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.2188898 × 10⁸

Factors of 121888980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 741

Divisors of 121888980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 61 68 85 90 102 122 153 170 180 183 204 244 255 305 306 340 366 510 549 610 612 653 732 765 915 1020 1037 1098 1220 1306 1530 1830 1959 2074 2196 2612 2745 3060 3111 3265 3660 3918 4148 5185 5490 5877 6222 6530 7836 9333 9795 10370 10980 11101 11754 12444 13060 15555 18666 19590 20740 22202 23508 29385 31110 33303 37332 39180 39833 44404 46665 55505 58770 62220 66606 79666 93330 99909 111010 117540 119499 133212 159332 166515 186660 199165 199818 222020 238998 333030 358497 398330 399636 477996 499545 597495 666060 677161 716994 796660 999090 1194990 1354322 1433988 1792485 1998180 2031483 2389980 2708644 3385805 3584970 4062966 6094449 6771610 7169940 8125932 10157415 12188898 13543220 20314830 24377796 30472245 40629660 60944490 121888980
• Sum of all divisors σ(n): 398505744
• Sum of proper divisors (its aliquot sum) s(n): 276616764
• 121888980 is an abundant number, because the sum of its proper divisors (276616764) is greater than itself. Its abundance is 154727784

Bases of 121888980

• Binary: 111010000111110000011010100₂
• Hexadecimal: 0x743E0D4
• Base-36: 20KI50

Squares and roots of 121888980

• 121888980 squared (121888980²) is 14856923445440400
• 121888980 cubed (121888980³) is 1810895244702816006792000
• The square root of 121888980 is 11040.3342340709
• The cube root of 121888980 is 495.8170772315

Scales and comparisons

• 121,888,980 seconds is equal to 3 years, 45 weeks, 3 days, 18 hours, 3 minutes.
• To count from 1 to 121,888,980 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 121888980 cubic inches would be around 41.3 feet tall.

Recreational maths with 121888980

• 121888980 backwards is 089888121
• 121888980 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 121888980's digits is 45
• More coming soon!