45490640
45,490,640 is an even composite number composed of six prime numbers multiplied together.
45490640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 45490640:
24 × 5 × 13 × 17 × 31 × 83
(2 × 2 × 2 × 2 × 5 × 13 × 17 × 31 × 83)See below for interesting mathematical facts about the number 45490640 from the Numbermatics database.
Names of 45490640
- Cardinal: 45490640 can be written as Forty-five million, four hundred ninety thousand, six hundred forty.
Scientific notation
- Scientific notation: 4.549064 × 107
Factors of 45490640
Divisors of 45490640
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 31 34 40 52 62 65 68 80 83 85 104 124 130 136 155 166 170 208 221 248 260 272 310 332 340 403 415 442 496 520 527 620 664 680 806 830 884 1040 1054 1079 1105 1240 1328 1360 1411 1612 1660 1768 2015 2108 2158 2210 2480 2573 2635 2822 3224 3320 3536 4030 4216 4316 4420 5146 5270 5395 5644 6448 6640 6851 7055 8060 8432 8632 8840 10292 10540 10790 11288 12865 13702 14110 16120 17264 17680 18343 20584 21080 21580 22576 25730 27404 28220 32240 33449 34255 36686 41168 42160 43160 43741 51460 54808 56440 66898 68510 73372 86320 87482 91715 102920 109616 112880 133796 137020 146744 167245 174964 183430 205840 218705 267592 274040 293488 334490 349928 366860 437410 535184 548080 568633 668980 699856 733720 874820 1137266 1337960 1467440 1749640 2274532 2675920 2843165 3499280 4549064 5686330 9098128 11372660 22745320 45490640
- Sum of all divisors σ(n): 125991936
- Sum of proper divisors (its aliquot sum) s(n): 80501296
- 45490640 is an abundant number, because the sum of its proper divisors (80501296) is greater than itself. Its abundance is 35010656
Bases of 45490640
- Binary: 101011011000100001110100002
- Hexadecimal: 0x2B621D0
- Base-36: R30SW
Squares and roots of 45490640
- 45490640 squared (454906402) is 2069398327609600
- 45490640 cubed (454906403) is 94138254337890374144000
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The
square root of 45490640 is 6744.6749365701 -
The
cube root of 45490640 is 356.9773672905
Scales and comparisons
How big is 45490640?- 45,490,640 seconds is equal to 1 year, 23 weeks, 1 day, 12 hours, 17 minutes, 20 seconds.
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To count from 1 to 45,490,640 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 45490640 cubic inches would be around 29.7 feet tall.
Recreational maths with 45490640
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Keywords: Divisors of 45490640, math, Factors of 45490640, curriculum, school, college, exams, university, Prime factorization of 45490640, STEM, science, technology, engineering, physics, economics, calculator, forty-five million, four hundred ninety thousand, six hundred forty.