138185438 is an even 9-digits composite number following 138185437
and preceding 138185439 . In scientific notation, it is written as 1.38185438 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 69092718 positive integers (up to 138185438) that are relatively prime to 138185438.
138185438 has 4 divisors, whose sum is 207278160
The reverse of 138185438 is 834581831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million one hundred eighty-five thousand four hundred thirty-eight
Scientific notation
1.38185438 × 10^8
Engineering notation
1.38185438 × 10^6
Prime Factorization
2 × 69092719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138185438
Product of the distinct prime numbers
The prime factorization of 138185438 is 2 × 69092719.
Since it has a total of 2 prime factors.
3 , 2 , 30 , 58 , 349 , 547 , 1315 , 3414 , 13828 , 40645 , 382079 , 258428 , 2561970 , 2015517 , 80165246 , 61325140 , 155774014 , 566320966 , 5325081882 , 8289367004
n×2
276370876
n×3
414556314
n×4
552741752
n×5
690927190
n÷2
69092719
n÷3
46061812.666667
n÷3
34546359.5
n÷5
27637087.6
n2
19095215275251844
n3
2.638680686515E+24
n4
3.6462724640821E+32
n5
5.0386175751653E+40
2 √n
11755.230240195
3 √n
516.9962898818
4 √n
108.42153955831
5 √n
42.470996978727
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
-138185437
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 138185438 can be divided by 4 positive divisors.
The sum of these divisors (counting 138185438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111001000101011011110
3
Ternary
100122000112210012
4
Quaternary
20033020223132
5
Quinary
240333413223
6
Senary
21413443222
8
Octal
1017105336
10
Decimal
138185438
12
Duodecimal
3a340512
16
Hexadecimal
83c8ade
20
Vigesimal
233d3bi
36
Base36
2a9ske
md5
27ee7d643ca4afa4235a783aff10b81f
sha1
4acbcacad91d501a88394a9a44b7abb80f476be8
sha256
9e4bd21759f0587ed5c85125bcf699701facd879712be4f5fe7bbbfa7f7b9295
sha512
fbe227d94c3530d8e2b9262641953eeac9ceca54755f3b851d1996366e58e4e297f42b50413de54df2013b0f55826a7247558309255fbaa2e2acc92d39d8a371
ripemd-160
7c35a01dd39cb7f3ba13c33597a6dde04185e799
Diameter
276370876
Circumference
868244713.70778
Area
5.9989388027447E+16
Volume
1.1052879813233E+25
Surface area
2.3995755210979E+17
Circumference
868244713.70778
Perimeter
552741752
Area
19095215275251844
Diagonal
195423720.54207
Surface area
114571291651511064
Volume
2.638680686515E+24
Space diagonal
239344199.48216
Perimeter
414556314
Area
8.2684707595504E+15
Altitude
119672099.74108
Surface area
8.2684707595504E+15
Volume
3.1097150113678E+23
Height
65141240.180689