121321078680

Names of 121321078680

• Cardinal: 121321078680 can be written as One hundred twenty-one billion, three hundred twenty-one million, seventy-eight thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.2132107868 × 10¹¹

Factors of 121321078680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3498328

Divisors of 121321078680

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 289 340 408 510 578 680 867 1020 1156 1445 1734 2040 2312 2890 3468 4335 5780 6936 8670 11560 17340 34680 3498301 6996602 10494903 13993204 17491505 20989806 27986408 34983010 41979612 52474515 59471117 69966020 83959224 104949030 118942234 139932040 178413351 209898060 237884468 297355585 356826702 419796120 475768936 594711170 713653404 892066755 1011008989 1189422340 1427306808 1784133510 2022017978 2378844680 3033026967 3568267020 4044035956 5055044945 6066053934 7136534040 8088071912 10110089890 12132107868 15165134835 20220179780 24264215736 30330269670 40440359560 60660539340 121321078680
• Sum of all divisors σ(n): 386632337040
• Sum of proper divisors (its aliquot sum) s(n): 265311258360
• 121321078680 is an abundant number, because the sum of its proper divisors (265311258360) is greater than itself. Its abundance is 143990179680

Bases of 121321078680

• Binary: 1110000111111010011001011111110011000₂
• Hexadecimal: 0x1C3F4CBF98
• Base-36: 1JQFFRFC

Squares and roots of 121321078680

• 121321078680 squared (121321078680²) is 14718804132078750542400
• 121321078680 cubed (121321078680³) is 1785701194183435206510603076032000
• The square root of 121321078680 is 348311.7550126611
• The cube root of 121321078680 is 4950.4584642191

Scales and comparisons

• 121,321,078,680 seconds is equal to 3,857 years, 33 weeks, 3 hours, 38 minutes.
• To count from 1 to 121,321,078,680 would take you about seven thousand, seven hundred fifteen 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 121321078680 cubic inches would be around 412.5 feet tall.

Recreational maths with 121321078680

• 121321078680 backwards is 086870123121
• The number of decimal digits it has is: 12
• The sum of 121321078680's digits is 39
• More coming soon!