138943116
138,943,116 is an even composite number composed of six prime numbers multiplied together.
138943116 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138943116:
22 × 32 × 13 × 31 × 61 × 157
(2 × 2 × 3 × 3 × 13 × 31 × 61 × 157)See below for interesting mathematical facts about the number 138943116 from the Numbermatics database.
Names of 138943116
- Cardinal: 138943116 can be written as One hundred thirty-eight million, nine hundred forty-three thousand, one hundred sixteen.
Scientific notation
- Scientific notation: 1.38943116 × 108
Factors of 138943116
Divisors of 138943116
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 31 36 39 52 61 62 78 93 117 122 124 156 157 183 186 234 244 279 314 366 372 403 468 471 549 558 628 732 793 806 942 1098 1116 1209 1413 1586 1612 1884 1891 2041 2196 2379 2418 2826 3172 3627 3782 4082 4758 4836 4867 5652 5673 6123 7137 7254 7564 8164 9516 9577 9734 11346 12246 14274 14508 14601 17019 18369 19154 19468 22692 24492 24583 28548 28731 29202 34038 36738 38308 43803 49166 57462 58404 63271 68076 73476 73749 86193 87606 98332 114924 124501 126542 147498 172386 175212 189813 221247 249002 253084 294996 296887 344772 373503 379626 442494 498004 569439 593774 747006 759252 884988 890661 1120509 1138878 1187548 1494012 1781322 2241018 2277756 2671983 3562644 3859531 4482036 5343966 7719062 10687932 11578593 15438124 23157186 34735779 46314372 69471558 138943116
- Sum of all divisors σ(n): 399363328
- Sum of proper divisors (its aliquot sum) s(n): 260420212
- 138943116 is an abundant number, because the sum of its proper divisors (260420212) is greater than itself. Its abundance is 121477096
Bases of 138943116
- Binary: 10000100100000011010100011002
- Hexadecimal: 0x8481A8C
- Base-36: 2AQ170
Squares and roots of 138943116
- 138943116 squared (1389431162) is 19305189483789456
- 138943116 cubed (1389431163) is 2682323181848138504584896
-
The
square root of 138943116 is 11787.4134567343 -
The
cube root of 138943116 is 517.9394740529
Scales and comparisons
How big is 138943116?- 138,943,116 seconds is equal to 4 years, 21 weeks, 5 days, 3 hours, 18 minutes, 36 seconds.
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To count from 1 to 138,943,116 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 138943116 cubic inches would be around 43.2 feet tall.
Recreational maths with 138943116
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