138412521
138,412,521 is an odd composite number composed of five prime numbers multiplied together.
138412521 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138412521:
32 × 132 × 17 × 53 × 101
(3 × 3 × 13 × 13 × 17 × 53 × 101)See below for interesting mathematical facts about the number 138412521 from the Numbermatics database.
Names of 138412521
- Cardinal: 138412521 can be written as One hundred thirty-eight million, four hundred twelve thousand, five hundred twenty-one.
Scientific notation
- Scientific notation: 1.38412521 × 108
Factors of 138412521
Divisors of 138412521
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 9 13 17 39 51 53 101 117 153 159 169 221 303 477 507 663 689 901 909 1313 1521 1717 1989 2067 2703 2873 3939 5151 5353 6201 8109 8619 8957 11713 11817 15453 16059 17069 22321 25857 26871 35139 48177 51207 66963 69589 80613 91001 105417 152269 153621 200889 208767 273003 290173 456807 626301 819009 870519 904657 1183013 1370421 2611557 2713971 3549039 8141913 10647117 15379169 46137507 138412521
- Sum of all divisors σ(n): 235863576
- Sum of proper divisors (its aliquot sum) s(n): 97451055
- 138412521 is a deficient number, because the sum of its proper divisors (97451055) is less than itself. Its deficiency is 40961466
Bases of 138412521
- Binary: 10000100000000000001111010012
- Hexadecimal: 0x84001E9
- Base-36: 2AENS9
Squares and roots of 138412521
- 138412521 squared (1384125212) is 19158025969575441
- 138412521 cubed (1384125213) is 2651710671832406088496761
-
The
square root of 138412521 is 11764.8850823117 -
The
cube root of 138412521 is 517.2793318087
Scales and comparisons
How big is 138412521?- 138,412,521 seconds is equal to 4 years, 20 weeks, 5 days, 23 hours, 55 minutes, 21 seconds.
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To count from 1 to 138,412,521 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 138412521 cubic inches would be around 43.1 feet tall.
Recreational maths with 138412521
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