121557136120

Names of 121557136120

• Cardinal: 121557136120 can be written as One hundred twenty-one billion, five hundred fifty-seven million, one hundred thirty-six thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2155713612 × 10¹¹

Factors of 121557136120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 311866

Divisors of 121557136120

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 199 245 280 392 398 490 796 980 995 1393 1592 1960 1990 2786 3980 5572 6965 7960 9751 11144 13930 19502 27860 39004 48755 55720 78008 97510 195020 311653 390040 623306 1246612 1558265 2181571 2493224 3116530 4363142 6233060 8726284 10907855 12466120 15270997 17452568 21815710 30541994 43631420 61083988 62018947 76354985 87262840 122167976 124037894 152709970 248075788 305419940 310094735 434132629 496151576 610839880 620189470 868265258 1240378940 1736530516 2170663145 2480757880 3038928403 3473061032 4341326290 6077856806 8682652580 12155713612 15194642015 17365305160 24311427224 30389284030 60778568060 121557136120
• Sum of all divisors σ(n): 319757004000
• Sum of proper divisors (its aliquot sum) s(n): 198199867880
• 121557136120 is an abundant number, because the sum of its proper divisors (198199867880) is greater than itself. Its abundance is 76642731760

Bases of 121557136120

• Binary: 1110001001101010111101011001011111000₂
• Hexadecimal: 0x1C4D5EB2F8
• Base-36: 1JUBZAIG

Squares and roots of 121557136120

• 121557136120 squared (121557136120²) is 14776137341696208654400
• 121557136120 cubed (121557136120³) is 1796144938172380987090822836928000
• The square root of 121557136120 is 348650.4497630829
• The cube root of 121557136120 is 4953.6671274429

Scales and comparisons

• 121,557,136,120 seconds is equal to 3,865 years, 7 weeks, 2 days, 7 hours, 8 minutes, 40 seconds.
• To count from 1 to 121,557,136,120 would take you about seven thousand, seven hundred thirty 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 121557136120 cubic inches would be around 412.8 feet tall.

Recreational maths with 121557136120

• 121557136120 backwards is 021631755121
• The number of decimal digits it has is: 12
• The sum of 121557136120's digits is 34
• More coming soon!