138158405
138,158,405 is an odd composite number composed of six prime numbers multiplied together.
138158405 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138158405:
5 × 7 × 112 × 17 × 19 × 101
(5 × 7 × 11 × 11 × 17 × 19 × 101)See below for interesting mathematical facts about the number 138158405 from the Numbermatics database.
Names of 138158405
- Cardinal: 138158405 can be written as One hundred thirty-eight million, one hundred fifty-eight thousand, four hundred five.
Scientific notation
- Scientific notation: 1.38158405 × 108
Factors of 138158405
Divisors of 138158405
- Number of divisors d(n): 96
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Complete list of divisors:
1 5 7 11 17 19 35 55 77 85 95 101 119 121 133 187 209 323 385 505 595 605 665 707 847 935 1045 1111 1309 1463 1615 1717 1919 2057 2261 2299 3535 3553 4235 5555 6545 7315 7777 8585 9595 10285 11305 11495 12019 12221 13433 14399 16093 17765 18887 21109 24871 32623 38885 39083 60095 61105 67165 71995 80465 85547 94435 105545 124355 132209 147763 163115 195415 207757 228361 232199 273581 358853 427735 661045 738815 1038785 1141805 1160995 1367905 1454299 1625393 1794265 2511971 3947383 7271495 8126965 12559855 19736915 27631681 138158405
- Sum of all divisors σ(n): 234420480
- Sum of proper divisors (its aliquot sum) s(n): 96262075
- 138158405 is a deficient number, because the sum of its proper divisors (96262075) is less than itself. Its deficiency is 41896330
Bases of 138158405
- Binary: 10000011110000100001010001012
- Hexadecimal: 0x83C2145
- Base-36: 2A97PH
Squares and roots of 138158405
- 138158405 squared (1381584052) is 19087744872144025
- 138158405 cubed (1381584053) is 2637132386582347424280125
-
The
square root of 138158405 is 11754.0803553489 -
The
cube root of 138158405 is 516.9625746261
Scales and comparisons
How big is 138158405?- 138,158,405 seconds is equal to 4 years, 20 weeks, 3 days, 1 hour, 20 minutes, 5 seconds.
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To count from 1 to 138,158,405 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 138158405 cubic inches would be around 43.1 feet tall.
Recreational maths with 138158405
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