138156791 is an odd 9-digits composite number following 138156790
and preceding 138156792 . In scientific notation, it is written as 1.38156791 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 132149952 positive integers (up to 138156791) that are relatively prime to 138156791.
138156791 has 4 divisors, whose sum is 144163632
The reverse of 138156791 is 197651831
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million one hundred fifty-six thousand seven hundred ninety-one
Scientific notation
1.38156791 × 10^8
Engineering notation
1.38156791 × 10^6
Prime Factorization
23 × 6006817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138156791
Product of the distinct prime numbers
The prime factorization of 138156791 is 23 × 6006817.
Since it has a total of 2 prime factors.
7 , 4 , 37 , 29 , 144 , 477 , 1164 , 8902 , 68603 , 72292 , 286884 , 150065 , 9153751 , 9549671 , 33113454 , 90208051 , 225204770 , 61895085 , 9642450332 , 8086251083
n×2
276313582
n×3
414470373
n×4
552627164
n×5
690783955
n÷2
69078395.5
n÷3
46052263.666667
n÷3
34539197.75
n÷5
27631358.2
n2
19087298899417681
n3
2.6370399648014E+24
n4
3.6432497927571E+32
n5
5.0333970017874E+40
2 √n
11754.011698139
3 √n
516.9605615241
4 √n
108.41591994785
5 √n
42.469235913928
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138156790
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138156791 can be divided by 4 positive divisors.
The sum of these divisors (counting 138156791) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111000001101011110111
3
Ternary
100121222002111012
4
Quaternary
20033001223313
5
Quinary
240332004131
6
Senary
21413102435
8
Octal
1017015367
10
Decimal
138156791
12
Duodecimal
3a327a1b
16
Hexadecimal
83c1af7
20
Vigesimal
2339bjb
36
Base36
2a96gn
md5
d9c0b88b92b6a062a16b192d5ead3170
sha1
79653e5b8779503cc6d2e426e6f1cb2927d63354
sha256
68299e76740d020efc5b490849e8b2de7981fcb268c11f1b3d08196dd65bc529
sha512
593e35b86033095ee1c1ca09c8a1b9a702c266316a1bd6f635c1bce233cc2cad005384cc93ab9d99547e4aae952babf88282a252fee6a849c91a7e7480e5af5d
ripemd-160
87b747ea488bccbed100fe2aa9b33a7c0bbbdc14
Diameter
276313582
Circumference
868064719.29828
Area
5.9964517999283E+16
Volume
1.104600717419E+25
Surface area
2.3985807199713E+17
Circumference
868064719.29828
Perimeter
552627164
Area
19087298899417681
Diagonal
195383207.56615
Surface area
114523793396506086
Volume
2.6370399648014E+24
Space diagonal
239294581.42267
Perimeter
414470373
Area
8.2650428682612E+15
Altitude
119647290.71134
Surface area
8.2650428682612E+15
Volume
3.107781402285E+23
Height
65127735.855382