121218795390
121,218,795,390 is an even composite number composed of six prime numbers multiplied together.
121218795390 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 121218795390:
2 × 3 × 5 × 7 × 11 × 52475669
See below for interesting mathematical facts about the number 121218795390 from the Numbermatics database.
Names of 121218795390
- Cardinal: 121218795390 can be written as One hundred twenty-one billion, two hundred eighteen million, seven hundred ninety-five thousand, three hundred ninety.
Scientific notation
- Scientific notation: 1.2121879539 × 1011
Factors of 121218795390
Divisors of 121218795390
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 52475669 104951338 157427007 262378345 314854014 367329683 524756690 577232359 734659366 787135035 1101989049 1154464718 1574270070 1731697077 1836648415 2203978098 2886161795 3463394154 3673296830 4040626513 5509945245 5772323590 8081253026 8658485385 11019890490 12121879539 17316970770 20203132565 24243759078 40406265130 60609397695 121218795390
- Sum of all divisors σ(n): 362711831040
- Sum of proper divisors (its aliquot sum) s(n): 241493035650
- 121218795390 is an abundant number, because the sum of its proper divisors (241493035650) is greater than itself. Its abundance is 120274240260
Bases of 121218795390
- Binary: 11100001110010011010000000111011111102
- Hexadecimal: 0x1C3934077E
- Base-36: 1JOQJH4U
Squares and roots of 121218795390
- 121218795390 squared (1212187953902) is 14693996355802685252100
- 121218795390 cubed (1212187953903) is 1781188537715451342786880467819000
-
The
square root of 121218795390 is 348164.8968376911 -
The
cube root of 121218795390 is 4949.0668633849
Scales and comparisons
How big is 121218795390?- 121,218,795,390 seconds is equal to 3,854 years, 19 weeks, 6 days, 7 hours, 36 minutes, 30 seconds.
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To count from 1 to 121,218,795,390 would take you about seven thousand, seven hundred eight 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 121218795390 cubic inches would be around 412.4 feet tall.
Recreational maths with 121218795390
- 121218795390 backwards is 093597812121
- The number of decimal digits it has is: 12
- The sum of 121218795390's digits is 48
- More coming soon!
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