126984990
126,984,990 is an even composite number composed of six prime numbers multiplied together.
126984990 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 126984990:
2 × 3 × 5 × 11 × 31 × 12413
See below for interesting mathematical facts about the number 126984990 from the Numbermatics database.
Names of 126984990
- Cardinal: 126984990 can be written as One hundred twenty-six million, nine hundred eighty-four thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.2698499 × 108
Factors of 126984990
Divisors of 126984990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 155 165 186 310 330 341 465 682 930 1023 1705 2046 3410 5115 10230 12413 24826 37239 62065 74478 124130 136543 186195 273086 372390 384803 409629 682715 769606 819258 1154409 1365430 1924015 2048145 2308818 3848030 4096290 4232833 5772045 8465666 11544090 12698499 21164165 25396998 42328330 63492495 126984990
- Sum of all divisors σ(n): 343222272
- Sum of proper divisors (its aliquot sum) s(n): 216237282
- 126984990 is an abundant number, because the sum of its proper divisors (216237282) is greater than itself. Its abundance is 89252292
Bases of 126984990
- Binary: 1111001000110100011000111102
- Hexadecimal: 0x791A31E
- Base-36: 23LQ8U
Squares and roots of 126984990
- 126984990 squared (1269849902) is 16125187685300100
- 126984990 cubed (1269849903) is 2047656796965956345499000
-
The
square root of 126984990 is 11268.7616888459 -
The
cube root of 126984990 is 502.6327660869
Scales and comparisons
How big is 126984990?- 126,984,990 seconds is equal to 4 years, 1 week, 6 days, 17 hours, 36 minutes, 30 seconds.
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To count from 1 to 126,984,990 would take you about six 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 126984990 cubic inches would be around 41.9 feet tall.
Recreational maths with 126984990
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