138695213 is an odd 9-digits composite number following 138695212
and preceding 138695214 . In scientific notation, it is written as 1.38695213 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 137811648 positive integers (up to 138695213) that are relatively prime to 138695213.
138695213 has 4 divisors, whose sum is 139578780
The reverse of 138695213 is 312596831
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-eight million six hundred ninety-five thousand two hundred thirteen
Scientific notation
1.38695213 × 10^8
Engineering notation
1.38695213 × 10^6
Prime Factorization
157 × 883409
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138695213
Product of the distinct prime numbers
The prime factorization of 138695213 is 157 × 883409.
Since it has a total of 2 prime factors.
9 , 1 , 95 , 65 , 462 , 671 , 7769 , 5023 , 31135 , 40462 , 712288 , 842394 , 3667903 , 4752950 , 73341210 , 20601123 , 356474663 , 487772533 , 8990473281 , 6758584013
n×2
277390426
n×3
416085639
n×4
554780852
n×5
693476065
n÷2
69347606.5
n÷3
46231737.666667
n÷3
34673803.25
n÷5
27739042.6
n2
19236362109115369
n3
2.6679913400689E+24
n4
3.7003762719301E+32
n5
5.1322447521549E+40
2 √n
11776.893181141
3 √n
517.63125394061
4 √n
108.52139503868
5 √n
42.50228649095
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
-138695212
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 138695213 can be divided by 4 positive divisors.
The sum of these divisors (counting 138695213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001000101001000101101
3
Ternary
100122222110001202
4
Quaternary
20101011020231
5
Quinary
241001221323
6
Senary
21432415245
8
Octal
1021051055
10
Decimal
138695213
12
Duodecimal
3a547525
16
Hexadecimal
844522d
20
Vigesimal
236gi0d
36
Base36
2akpwt
md5
71bb79b94d3cd66d1b321d9f5fbc0135
sha1
5e6191e6424c71f3ff2a35439d2aadb332728e49
sha256
30acbb955b07fa57d646e0f33423acdca23e75e16a965be971b72cf6bfad4f36
sha512
70b64110c7e7947e4f610f5f622c49e1a12b5419a5f884ebf8a767bf9b02043ea3805b41116e766396b3afbc01ab639b592978f72faac909bfa0fc3ec00e6c7c
ripemd-160
4c78744a138e2adc8b9a3fe24151bb8833698ca9
Diameter
277390426
Circumference
871447724.49774
Area
6.043281388379E+16
Volume
1.1175655991735E+25
Surface area
2.4173125553516E+17
Circumference
871447724.49774
Perimeter
554780852
Area
19236362109115369
Diagonal
196144651.26083
Surface area
115418172654692214
Volume
2.6679913400689E+24
Space diagonal
240227155.68259
Perimeter
416085639
Area
8.3295891314452E+15
Altitude
120113577.84129
Surface area
8.3295891314452E+15
Volume
3.1442579478495E+23
Height
65381550.420275