381913272
381,913,272 is an even composite number composed of five prime numbers multiplied together.
What does the number 381913272 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 128 divisors.
381913272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 381913272:
23 × 33 × 13 × 43 × 3163
(2 × 2 × 2 × 3 × 3 × 3 × 13 × 43 × 3163)See below for interesting mathematical facts about the number 381913272 from the Numbermatics database.
Names of 381913272
- Cardinal: 381913272 can be written as Three hundred eighty-one million, nine hundred thirteen thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 3.81913272 × 108
Factors of 381913272
Divisors of 381913272
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 43 52 54 72 78 86 104 108 117 129 156 172 216 234 258 312 344 351 387 468 516 559 702 774 936 1032 1118 1161 1404 1548 1677 2236 2322 2808 3096 3163 3354 4472 4644 5031 6326 6708 9288 9489 10062 12652 13416 15093 18978 20124 25304 28467 30186 37956 40248 41119 56934 60372 75912 82238 85401 113868 120744 123357 136009 164476 170802 227736 246714 272018 328952 341604 370071 408027 493428 544036 683208 740142 816054 986856 1088072 1110213 1224081 1480284 1632108 1768117 2220426 2448162 2960568 3264216 3536234 3672243 4440852 4896324 5304351 7072468 7344486 8881704 9792648 10608702 14144936 14688972 15913053 21217404 29377944 31826106 42434808 47739159 63652212 95478318 127304424 190956636 381913272
- Sum of all divisors σ(n): 1169414400
- Sum of proper divisors (its aliquot sum) s(n): 787501128
- 381913272 is an abundant number, because the sum of its proper divisors (787501128) is greater than itself. Its abundance is 405587856
Bases of 381913272
- Binary: 101101100001110001000101110002
- Hexadecimal: 0x16C388B8
- Base-36: 6BDQ60
Squares and roots of 381913272
- 381913272 squared (3819132722) is 145857747329745984
- 381913272 cubed (3819132723) is 55705009529252551678299648
-
The
square root of 381913272 is 19542.6014644929 -
The
cube root of 381913272 is 725.5292351369
Scales and comparisons
How big is 381913272?- 381,913,272 seconds is equal to 12 years, 7 weeks, 3 days, 7 hours, 1 minute, 12 seconds.
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To count from 1 to 381,913,272 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 381913272 cubic inches would be around 60.5 feet tall.
Recreational maths with 381913272
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