45720090
45,720,090 is an even composite number composed of six prime numbers multiplied together.
45720090 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 45720090:
2 × 32 × 5 × 13 × 23 × 1699
(2 × 3 × 3 × 5 × 13 × 23 × 1699)See below for interesting mathematical facts about the number 45720090 from the Numbermatics database.
Names of 45720090
- Cardinal: 45720090 can be written as Forty-five million, seven hundred twenty thousand and ninety.
Scientific notation
- Scientific notation: 4.572009 × 107
Factors of 45720090
Divisors of 45720090
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 23 26 30 39 45 46 65 69 78 90 115 117 130 138 195 207 230 234 299 345 390 414 585 598 690 897 1035 1170 1495 1699 1794 2070 2691 2990 3398 4485 5097 5382 8495 8970 10194 13455 15291 16990 22087 25485 26910 30582 39077 44174 50970 66261 76455 78154 110435 117231 132522 152910 195385 198783 220870 234462 331305 351693 390770 397566 508001 586155 662610 703386 993915 1016002 1172310 1524003 1758465 1987830 2540005 3048006 3516930 4572009 5080010 7620015 9144018 15240030 22860045 45720090
- Sum of all divisors σ(n): 133660800
- Sum of proper divisors (its aliquot sum) s(n): 87940710
- 45720090 is an abundant number, because the sum of its proper divisors (87940710) is greater than itself. Its abundance is 42220620
Bases of 45720090
- Binary: 101011100110100010000110102
- Hexadecimal: 0x2B9A21A
- Base-36: R7XUI
Squares and roots of 45720090
- 45720090 squared (457200902) is 2090326629608100
- 45720090 cubed (457200903) is 95569921635078996729000
-
The
square root of 45720090 is 6761.6632569213 -
The
cube root of 45720090 is 357.5765464401
Scales and comparisons
How big is 45720090?- 45,720,090 seconds is equal to 1 year, 23 weeks, 4 days, 4 hours, 1 minute, 30 seconds.
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To count from 1 to 45,720,090 would take you about 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 45720090 cubic inches would be around 29.8 feet tall.
Recreational maths with 45720090
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