138648213
138,648,213 is an odd composite number composed of four prime numbers multiplied together.
138648213 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138648213:
33 × 112 × 31 × 372
(3 × 3 × 3 × 11 × 11 × 31 × 37 × 37)See below for interesting mathematical facts about the number 138648213 from the Numbermatics database.
Names of 138648213
- Cardinal: 138648213 can be written as One hundred thirty-eight million, six hundred forty-eight thousand, two hundred thirteen.
Scientific notation
- Scientific notation: 1.38648213 × 108
Factors of 138648213
Divisors of 138648213
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 9 11 27 31 33 37 93 99 111 121 279 297 333 341 363 407 837 999 1023 1089 1147 1221 1369 3069 3267 3441 3663 3751 4107 4477 9207 10323 10989 11253 12321 12617 13431 15059 30969 33759 36963 37851 40293 42439 45177 101277 113553 120879 127317 135531 138787 165649 340659 381951 406593 416361 466829 496947 1145853 1249083 1400487 1490841 3747249 4201461 4472523 5135119 12604383 15405357 46216071 138648213
- Sum of all divisors σ(n): 239527680
- Sum of proper divisors (its aliquot sum) s(n): 100879467
- 138648213 is a deficient number, because the sum of its proper divisors (100879467) is less than itself. Its deficiency is 37768746
Bases of 138648213
- Binary: 10000100001110011010100101012
- Hexadecimal: 0x8439A95
- Base-36: 2AJPN9
Squares and roots of 138648213
- 138648213 squared (1386482132) is 19223326968093369
- 138648213 cubed (1386482133) is 2665279932040853628999597
-
The
square root of 138648213 is 11774.8975791725 -
The
cube root of 138648213 is 517.5727769943
Scales and comparisons
How big is 138648213?- 138,648,213 seconds is equal to 4 years, 21 weeks, 1 day, 17 hours, 23 minutes, 33 seconds.
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To count from 1 to 138,648,213 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 138648213 cubic inches would be around 43.1 feet tall.
Recreational maths with 138648213
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