138745464
138,745,464 is an even composite number composed of five prime numbers multiplied together.
138745464 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 138745464:
23 × 3 × 11 × 13 × 40427
(2 × 2 × 2 × 3 × 11 × 13 × 40427)See below for interesting mathematical facts about the number 138745464 from the Numbermatics database.
Names of 138745464
- Cardinal: 138745464 can be written as One hundred thirty-eight million, seven hundred forty-five thousand, four hundred sixty-four.
Scientific notation
- Scientific notation: 1.38745464 × 108
Factors of 138745464
Divisors of 138745464
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 40427 80854 121281 161708 242562 323416 444697 485124 525551 889394 970248 1051102 1334091 1576653 1778788 2102204 2668182 3153306 3557576 4204408 5336364 5781061 6306612 10672728 11562122 12613224 17343183 23124244 34686366 46248488 69372732 138745464
- Sum of all divisors σ(n): 407514240
- Sum of proper divisors (its aliquot sum) s(n): 268768776
- 138745464 is an abundant number, because the sum of its proper divisors (268768776) is greater than itself. Its abundance is 130023312
Bases of 138745464
- Binary: 10000100010100010110011110002
- Hexadecimal: 0x8451678
- Base-36: 2ALSOO
Squares and roots of 138745464
- 138745464 squared (1387454642) is 19250303780575296
- 138745464 cubed (1387454643) is 2670892330176873630457344
-
The
square root of 138745464 is 11779.0264453391 -
The
cube root of 138745464 is 517.6937611385
Scales and comparisons
How big is 138745464?- 138,745,464 seconds is equal to 4 years, 21 weeks, 2 days, 20 hours, 24 minutes, 24 seconds.
-
To count from 1 to 138,745,464 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 138745464 cubic inches would be around 43.1 feet tall.
Recreational maths with 138745464
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