138638412
138,638,412 is an even composite number composed of four prime numbers multiplied together.
What does the number 138638412 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 108 divisors.
138638412 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138638412:
22 × 33 × 112 × 1032
(2 × 2 × 3 × 3 × 3 × 11 × 11 × 103 × 103)See below for interesting mathematical facts about the number 138638412 from the Numbermatics database.
Names of 138638412
- Cardinal: 138638412 can be written as One hundred thirty-eight million, six hundred thirty-eight thousand, four hundred twelve.
Scientific notation
- Scientific notation: 1.38638412 × 108
Factors of 138638412
Divisors of 138638412
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 103 108 121 132 198 206 242 297 309 363 396 412 484 594 618 726 927 1089 1133 1188 1236 1452 1854 2178 2266 2781 3267 3399 3708 4356 4532 5562 6534 6798 10197 10609 11124 12463 13068 13596 20394 21218 24926 30591 31827 37389 40788 42436 49852 61182 63654 74778 95481 112167 116699 122364 127308 149556 190962 224334 233398 286443 336501 350097 381924 448668 466796 572886 673002 700194 1050291 1145772 1283689 1346004 1400388 2100582 2567378 3150873 3851067 4201164 5134756 6301746 7702134 11553201 12603492 15404268 23106402 34659603 46212804 69319206 138638412
- Sum of all divisors σ(n): 398952120
- Sum of proper divisors (its aliquot sum) s(n): 260313708
- 138638412 is an abundant number, because the sum of its proper divisors (260313708) is greater than itself. Its abundance is 121675296
Bases of 138638412
- Binary: 10000100001101110100010011002
- Hexadecimal: 0x843744C
- Base-36: 2AJI30
Squares and roots of 138638412
- 138638412 squared (1386384122) is 19220609281881744
- 138638412 cubed (1386384123) is 2664714748512545359950528
-
The
square root of 138638412 is 11774.4813898533 -
The
cube root of 138638412 is 517.5605810195
Scales and comparisons
How big is 138638412?- 138,638,412 seconds is equal to 4 years, 21 weeks, 1 day, 14 hours, 40 minutes, 12 seconds.
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To count from 1 to 138,638,412 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 138638412 cubic inches would be around 43.1 feet tall.
Recreational maths with 138638412
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