121728992
121,728,992 is an even composite number composed of five prime numbers multiplied together.
121728992 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 121728992:
25 × 7 × 11 × 127 × 389
(2 × 2 × 2 × 2 × 2 × 7 × 11 × 127 × 389)See below for interesting mathematical facts about the number 121728992 from the Numbermatics database.
Names of 121728992
- Cardinal: 121728992 can be written as One hundred twenty-one million, seven hundred twenty-eight thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 1.21728992 × 108
Factors of 121728992
Divisors of 121728992
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 127 154 176 224 254 308 352 389 508 616 778 889 1016 1232 1397 1556 1778 2032 2464 2723 2794 3112 3556 4064 4279 5446 5588 6224 7112 8558 9779 10892 11176 12448 14224 17116 19558 21784 22352 28448 29953 34232 39116 43568 44704 49403 59906 68464 78232 87136 98806 119812 136928 156464 197612 239624 312928 345821 395224 479248 543433 691642 790448 958496 1086866 1383284 1580896 2173732 2766568 3804031 4347464 5533136 7608062 8694928 11066272 15216124 17389856 30432248 60864496 121728992
- Sum of all divisors σ(n): 301916160
- Sum of proper divisors (its aliquot sum) s(n): 180187168
- 121728992 is an abundant number, because the sum of its proper divisors (180187168) is greater than itself. Its abundance is 58458176
Bases of 121728992
- Binary: 1110100000101101111111000002
- Hexadecimal: 0x7416FE0
- Base-36: 20H2OW
Squares and roots of 121728992
- 121728992 squared (1217289922) is 14817947493336064
- 121728992 cubed (1217289923) is 1803773811872725787967488
-
The
square root of 121728992 is 11033.0862409391 -
The
cube root of 121728992 is 495.6000504629
Scales and comparisons
How big is 121728992?- 121,728,992 seconds is equal to 3 years, 45 weeks, 1 day, 21 hours, 36 minutes, 32 seconds.
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To count from 1 to 121,728,992 would take you about five 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 121728992 cubic inches would be around 41.3 feet tall.
Recreational maths with 121728992
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The information we have on file for 121728992 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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