138256488
138,256,488 is an even composite number composed of four prime numbers multiplied together.
138256488 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138256488:
23 × 32 × 1032 × 181
(2 × 2 × 2 × 3 × 3 × 103 × 103 × 181)See below for interesting mathematical facts about the number 138256488 from the Numbermatics database.
Names of 138256488
- Cardinal: 138256488 can be written as One hundred thirty-eight million, two hundred fifty-six thousand, four hundred eighty-eight.
Scientific notation
- Scientific notation: 1.38256488 × 108
Factors of 138256488
Divisors of 138256488
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 36 72 103 181 206 309 362 412 543 618 724 824 927 1086 1236 1448 1629 1854 2172 2472 3258 3708 4344 6516 7416 10609 13032 18643 21218 31827 37286 42436 55929 63654 74572 84872 95481 111858 127308 149144 167787 190962 223716 254616 335574 381924 447432 671148 763848 1342296 1920229 3840458 5760687 7680916 11521374 15361832 17282061 23042748 34564122 46085496 69128244 138256488
- Sum of all divisors σ(n): 380204370
- Sum of proper divisors (its aliquot sum) s(n): 241947882
- 138256488 is an abundant number, because the sum of its proper divisors (241947882) is greater than itself. Its abundance is 103691394
Bases of 138256488
- Binary: 10000011110110100000011010002
- Hexadecimal: 0x83DA068
- Base-36: 2ABBE0
Squares and roots of 138256488
- 138256488 squared (1382564882) is 19114856474094144
- 138256488 cubed (1382564883) is 2642752924732319330806272
-
The
square root of 138256488 is 11758.2519108921 -
The
cube root of 138256488 is 517.0848816881
Scales and comparisons
How big is 138256488?- 138,256,488 seconds is equal to 4 years, 20 weeks, 4 days, 4 hours, 34 minutes, 48 seconds.
-
To count from 1 to 138,256,488 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 138256488 cubic inches would be around 43.1 feet tall.
Recreational maths with 138256488
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