138664071
138,664,071 is an odd composite number composed of five prime numbers multiplied together.
138664071 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138664071:
32 × 72 × 13 × 192 × 67
(3 × 3 × 7 × 7 × 13 × 19 × 19 × 67)See below for interesting mathematical facts about the number 138664071 from the Numbermatics database.
Names of 138664071
- Cardinal: 138664071 can be written as One hundred thirty-eight million, six hundred sixty-four thousand and seventy-one.
Scientific notation
- Scientific notation: 1.38664071 × 108
Factors of 138664071
Divisors of 138664071
- Number of divisors d(n): 108
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Complete list of divisors:
1 3 7 9 13 19 21 39 49 57 63 67 91 117 133 147 171 201 247 273 361 399 441 469 603 637 741 819 871 931 1083 1197 1273 1407 1729 1911 2223 2527 2613 2793 3249 3283 3819 4221 4693 5187 5733 6097 7581 7839 8379 8911 9849 11457 12103 14079 15561 16549 17689 18291 22743 24187 26733 29547 32851 36309 42237 42679 49647 53067 54873 62377 72561 80199 98553 108927 115843 128037 148941 159201 169309 187131 217683 229957 295659 314431 347529 384111 507927 561393 689871 810901 943293 1042587 1185163 1523781 2069613 2201017 2432703 2829879 3555489 6603051 7298109 10666467 15407119 19809153 46221357 138664071
- Sum of all divisors σ(n): 268769592
- Sum of proper divisors (its aliquot sum) s(n): 130105521
- 138664071 is a deficient number, because the sum of its proper divisors (130105521) is less than itself. Its deficiency is 8558550
Bases of 138664071
- Binary: 10000100001111011000100001112
- Hexadecimal: 0x843D887
- Base-36: 2AK1VR
Squares and roots of 138664071
- 138664071 squared (1386640712) is 19227724586293041
- 138664071 cubed (1386640713) is 2666194567202183864029911
-
The
square root of 138664071 is 11775.5709415723 -
The
cube root of 138664071 is 517.5925088419
Scales and comparisons
How big is 138664071?- 138,664,071 seconds is equal to 4 years, 21 weeks, 1 day, 21 hours, 47 minutes, 51 seconds.
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To count from 1 to 138,664,071 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 138664071 cubic inches would be around 43.1 feet tall.
Recreational maths with 138664071
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