121918957158170898

Names of 121918957158170898

• Cardinal: 121918957158170898 can be written as One hundred twenty-one quadrillion, nine hundred eighteen trillion, nine hundred fifty-seven billion, one hundred fifty-eight million, one hundred seventy thousand, eight hundred ninety-eight.

Scientific notation

• Scientific notation: 1.21918957158170898 × 10¹⁷

Factors of 121918957158170898

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7358154229

Divisors of 121918957158170898

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 67 99 134 198 201 402 603 737 1206 1249 1474 2211 2498 3747 4422 6633 7494 11241 13266 13739 22482 27478 41217 82434 83683 123651 167366 247302 251049 502098 753147 920513 1506294 1841026 2761539 5523078 8284617 16569234 7358152897 14716305794 22074458691 44148917382 66223376073 80939681867 132446752146 161879363734 242819045601 485638091202 492996244099 728457136803 985992488198 1456914273606 1478988732297 2957977464594 4436966196891 5422958685089 8873932393782 9190332968353 10845917370178 16268876055267 18380665936706 27570998905059 32537752110534 48806628165801 55141997810118 82712996715177 97613256331602 101093662651883 165425993430354 202187325303766 303280987955649 606561975911298 615752308879651 909842963866947 1231504617759302 1819685927733894 1847256926638953 3694513853277906 5541770779916859 6773275397676161 11083541559833718 13546550795352322 20319826193028483 40639652386056966 60959478579085449 121918957158170898
• Sum of all divisors σ(n): 292707322282440000
• Sum of proper divisors (its aliquot sum) s(n): 170788365124269102
• 121918957158170898 is an abundant number, because the sum of its proper divisors (170788365124269102) is greater than itself. Its abundance is 48869407966098204

Bases of 121918957158170898

• Binary: 110110001001001001010010101000100110011001000000100010010₂
• Hexadecimal: 0x1B124A544CC8112
• Base-36: XCGNVPHS8WI

Squares and roots of 121918957158170898

• 121918957158170898 squared (121918957158170898²) is 14864232114535910848844804974126404
• 121918957158170898 cubed (121918957158170898³) is 1812231678361211731372727149523628227233068086190792
• The square root of 121918957158170898 is 349168952.1681028529
• The cube root of 121918957158170898 is 495857.7206887199

Scales and comparisons

• 121,918,957,158,170,898 seconds is equal to 3,876,645,717 years, 27 weeks, 5 days, 12 hours, 48 minutes, 18 seconds.
• To count from 1 to 121,918,957,158,170,898 would take you about eleven billion, six hundred twenty-nine million, nine hundred thirty-seven thousand, one hundred fifty-two 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 121918957158170898 cubic inches would be around 41321.5 feet tall.

Recreational maths with 121918957158170898

• 121918957158170898 backwards is 898071851759819121
• The number of decimal digits it has is: 18
• The sum of 121918957158170898's digits is 90
• More coming soon!