121081572690

Names of 121081572690

• Cardinal: 121081572690 can be written as One hundred twenty-one billion, eighty-one million, five hundred seventy-two thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.2108157269 × 10¹¹

Factors of 121081572690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14271

Divisors of 121081572690

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 41 65 78 82 123 130 169 195 205 246 338 390 410 507 533 615 845 1014 1066 1230 1599 1681 1690 2535 2665 3198 3362 5043 5070 5330 6929 7995 8405 10086 13858 14207 15990 16810 20787 21853 25215 28414 34645 41574 42621 43706 50430 65559 69290 71035 85242 103935 109265 131118 142070 184691 207870 213105 218530 284089 327795 369382 426210 554073 568178 582487 655590 852267 923455 1108146 1164974 1420445 1704534 1747461 1846910 2400983 2770365 2840890 2912435 3494922 4261335 4801966 5540730 5824870 7202949 7572331 8522670 8737305 12004915 14405898 15144662 17474610 22716993 23881967 24009830 36014745 37861655 45433986 47763934 71645901 72029490 75723310 98440303 113584965 119409835 143291802 196880606 227169930 238819670 295320909 310465571 358229505 492201515 590641818 620931142 716459010 931396713 984403030 1476604545 1552327855 1862793426 2953209090 3104655710 4036052423 4656983565 8072104846 9313967130 12108157269 20180262115 24216314538 40360524230 60540786345 121081572690
• Sum of all divisors σ(n): 322553539584
• Sum of proper divisors (its aliquot sum) s(n): 201471966894
• 121081572690 is an abundant number, because the sum of its proper divisors (201471966894) is greater than itself. Its abundance is 80390394204

Bases of 121081572690

• Binary: 1110000110001000001100010110101010010₂
• Hexadecimal: 0x1C31062D52
• Base-36: 1JMGUBF6

Squares and roots of 121081572690

• 121081572690 squared (121081572690²) is 14660747245083753836100
• 121081572690 cubed (121081572690³) is 1775146333245325785243808496109000
• The square root of 121081572690 is 347967.7753614549
• The cube root of 121081572690 is 4947.1986692145

Scales and comparisons

• 121,081,572,690 seconds is equal to 3,850 years, 1 week, 2 hours, 11 minutes, 30 seconds.
• To count from 1 to 121,081,572,690 would take you about seven thousand, seven hundred 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 121081572690 cubic inches would be around 412.3 feet tall.

Recreational maths with 121081572690

• 121081572690 backwards is 096275180121
• The number of decimal digits it has is: 12
• The sum of 121081572690's digits is 42
• More coming soon!