385044920
385,044,920 is an even composite number composed of five prime numbers multiplied together.
385044920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 385044920:
23 × 5 × 13 × 181 × 4091
(2 × 2 × 2 × 5 × 13 × 181 × 4091)See below for interesting mathematical facts about the number 385044920 from the Numbermatics database.
Names of 385044920
- Cardinal: 385044920 can be written as Three hundred eighty-five million, forty-four thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.8504492 × 108
Factors of 385044920
Divisors of 385044920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 52 65 104 130 181 260 362 520 724 905 1448 1810 2353 3620 4091 4706 7240 8182 9412 11765 16364 18824 20455 23530 32728 40910 47060 53183 81820 94120 106366 163640 212732 265915 425464 531830 740471 1063660 1480942 2127320 2961884 3702355 5923768 7404710 9626123 14809420 19252246 29618840 38504492 48130615 77008984 96261230 192522460 385044920
- Sum of all divisors σ(n): 938377440
- Sum of proper divisors (its aliquot sum) s(n): 553332520
- 385044920 is an abundant number, because the sum of its proper divisors (553332520) is greater than itself. Its abundance is 168287600
Bases of 385044920
- Binary: 101101111001101010001101110002
- Hexadecimal: 0x16F351B8
- Base-36: 6D8UK8
Squares and roots of 385044920
- 385044920 squared (3850449202) is 148259590417806400
- 385044920 cubed (3850449203) is 57086602131657031863488000
-
The
square root of 385044920 is 19622.5615045537 -
The
cube root of 385044920 is 727.5069267141
Scales and comparisons
How big is 385044920?- 385,044,920 seconds is equal to 12 years, 12 weeks, 4 days, 12 hours, 55 minutes, 20 seconds.
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To count from 1 to 385,044,920 would take you about eighteen 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 385044920 cubic inches would be around 60.6 feet tall.
Recreational maths with 385044920
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