121215479672

Names of 121215479672

• Cardinal: 121215479672 can be written as One hundred twenty-one billion, two hundred fifteen million, four hundred seventy-nine thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.21215479672 × 10¹¹

Factors of 121215479672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19866

Divisors of 121215479672

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 19 28 38 56 76 133 152 266 307 361 532 614 722 1064 1228 1444 2149 2456 2527 2888 4298 5054 5833 8596 10108 11666 17192 19531 20216 23332 39062 40831 46664 78124 81662 110827 136717 156248 163324 221654 273434 326648 371089 443308 546868 742178 775789 886616 1093736 1484356 1551578 2597623 2968712 3103156 5195246 5996017 6206312 7050691 10390492 11992034 14101382 20780984 23984068 28202764 41972119 47968136 49354837 56405528 83944238 98709674 113924323 167888476 197419348 227848646 335776952 394838696 455697292 797470261 911394584 1594940522 2164562137 3189881044 4329124274 6379762088 8658248548 15151934959 17316497096 30303869918 60607739836 121215479672
• Sum of all divisors σ(n): 275044936320
• Sum of proper divisors (its aliquot sum) s(n): 153829456648
• 121215479672 is an abundant number, because the sum of its proper divisors (153829456648) is greater than itself. Its abundance is 32613976976

Bases of 121215479672

• Binary: 1110000111001000000010110111101111000₂
• Hexadecimal: 0x1C39016F78
• Base-36: 1JOOKEPK

Squares and roots of 121215479672

• 121215479672 squared (121215479672²) is 14693192512113045227584
• 121215479672 cubed (121215479672³) is 1781042378268821447550224965672448
• The square root of 121215479672 is 348160.1350987789
• The cube root of 121215479672 is 4949.0217387553

Scales and comparisons

• 121,215,479,672 seconds is equal to 3,854 years, 14 weeks, 2 days, 22 hours, 34 minutes, 32 seconds.
• To count from 1 to 121,215,479,672 would take you about seven thousand, seven hundred eight 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 121215479672 cubic inches would be around 412.4 feet tall.

Recreational maths with 121215479672

• 121215479672 backwards is 276974512121
• The number of decimal digits it has is: 12
• The sum of 121215479672's digits is 47
• More coming soon!