121555792979786752

Names of 121555792979786752

• Cardinal: 121555792979786752 can be written as One hundred twenty-one quadrillion, five hundred fifty-five trillion, seven hundred ninety-two billion, nine hundred seventy-nine million, seven hundred eighty-six thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.21555792979786752 × 10¹⁷

Factors of 121555792979786752

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 729826

Divisors of 121555792979786752

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 4 8 16 32 64 128 223 256 446 512 892 1024 1784 3568 7136 14272 28544 57088 114176 228352 729601 1459202 2918404 5836808 11673616 23347232 46694464 93388928 162701023 186777856 325402046 373555712 650804092 747111424 1301608184 2603216368 5206432736 10412865472 20825730944 41651461888 83302923776 166605847552 532317619201 1064635238402 2129270476804 4258540953608 8517081907216 17034163814432 34068327628864 68136655257728 118706829081823 136273310515456 237413658163646 272546621030912 474827316327292 545093242061824 949654632654584 1899309265309168 3798618530618336 7597237061236672 15194474122473344 30388948244946688 60777896489893376 121555792979786752
• Sum of all divisors σ(n): 244082867839941984
• Sum of proper divisors (its aliquot sum) s(n): 122527074860155232
• 121555792979786752 is an abundant number, because the sum of its proper divisors (122527074860155232) is greater than itself. Its abundance is 971281880368480

Bases of 121555792979786752

• Binary: 110101111110110100101100110000100111100110111110000000000₂
• Hexadecimal: 0x1AFDA5984F37C00
• Base-36: X8VXKDYLGCG

Squares and roots of 121555792979786752

• 121555792979786752 squared (121555792979786752²) is 14775810806944774220917247394709504
• 121555792979786752 cubed (121555792979786752³) is 1796085399557474809387698350809690654290054907691008
• The square root of 121555792979786752 is 348648523.5588797843
• The cube root of 121555792979786752 is 495364.8882266825

Scales and comparisons

• 121,555,792,979,786,752 seconds is equal to 3,865,098,220 years, 20 hours, 45 minutes, 52 seconds.
• To count from 1 to 121,555,792,979,786,752 would take you about eleven billion, five hundred ninety-five million, two hundred ninety-four thousand, six hundred sixty 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 121555792979786752 cubic inches would be around 41280.4 feet tall.

Recreational maths with 121555792979786752

• 121555792979786752 backwards is 257687979297555121
• The number of decimal digits it has is: 18
• The sum of 121555792979786752's digits is 97
• More coming soon!