121231149840

Names of 121231149840

• Cardinal: 121231149840 can be written as One hundred twenty-one billion, two hundred thirty-one million, one hundred forty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2123114984 × 10¹¹

Factors of 121231149840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 141408

Divisors of 121231149840

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 1201 2402 3603 4804 6005 7206 9608 10809 12010 14412 18015 19216 21618 24020 28824 36030 43236 48040 54045 57648 72060 86472 96080 108090 140197 144120 172944 216180 280394 288240 420591 432360 560788 700985 841182 864720 1121576 1261773 1401970 1682364 2102955 2243152 2523546 2803940 3364728 4205910 5047092 5607880 6308865 6729456 8411820 10094184 11215760 12617730 16823640 20188368 25235460 33647280 50470920 100941840 168376597 336753194 505129791 673506388 841882985 1010259582 1347012776 1515389373 1683765970 2020519164 2525648955 2694025552 3030778746 3367531940 4041038328 5051297910 6061557492 6735063880 7576946865 8082076656 10102595820 12123114984 13470127760 15153893730 20205191640 24246229968 30307787460 40410383280 60615574920 121231149840
• Sum of all divisors σ(n): 407476514328
• Sum of proper divisors (its aliquot sum) s(n): 286245364488
• 121231149840 is an abundant number, because the sum of its proper divisors (286245364488) is greater than itself. Its abundance is 165014214648

Bases of 121231149840

• Binary: 1110000111001111100001000101100010000₂
• Hexadecimal: 0x1C39F08B10
• Base-36: 1JOXW9W0

Squares and roots of 121231149840

• 121231149840 squared (121231149840²) is 14696991691528532025600
• 121231149840 cubed (121231149840³) is 1781733201952930524630752315904000
• The square root of 121231149840 is 348182.6386251905
• The cube root of 121231149840 is 4949.2349916629

Scales and comparisons

• 121,231,149,840 seconds is equal to 3,854 years, 40 weeks, 2 days, 7 hours, 24 minutes.
• To count from 1 to 121,231,149,840 would take you about seven thousand, seven hundred nine 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 121231149840 cubic inches would be around 412.4 feet tall.

Recreational maths with 121231149840

• 121231149840 backwards is 048941132121
• 121231149840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121231149840's digits is 36
• More coming soon!