138695215 is an odd 9-digits composite number following 138695214
and preceding 138695216 . In scientific notation, it is written as 1.38695215 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 110846400 positive integers (up to 138695215) that are relatively prime to 138695215.
138695215 has 8 divisors, whose sum is 166598928
The reverse of 138695215 is 512596831
Previous prime number is 1051
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million six hundred ninety-five thousand two hundred fifteen
Scientific notation
1.38695215 × 10^8
Engineering notation
1.38695215 × 10^6
Prime Factorization
5 × 1051 × 26393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138695215
Product of the distinct prime numbers
The prime factorization of 138695215 is 5 × 1051 × 26393.
Since it has a total of 3 prime factors.
4 , 1 , 58 , 81 , 932 , 468 , 1764 , 8502 , 22191 , 84057 , 851865 , 251001 , 5102059 , 164986 , 48083270 , 74996324 , 240446363 , 222246985 , 9831257654 , 7793278712
n×2
277390430
n×3
416085645
n×4
554780860
n×5
693476075
n÷2
69347607.5
n÷3
46231738.333333
n÷3
34673803.75
n÷5
27739043
n2
19236362663896225
n3
2.6679914554871E+24
n4
3.7003764853694E+32
n5
5.1322451221925E+40
2 √n
11776.893266053
3 √n
517.63125642871
4 √n
108.5213954299
5 √n
42.502286613527
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138695214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138695215 can be divided by 8 positive divisors.
The sum of these divisors (counting 138695215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001000101001000101111
3
Ternary
100122222110001211
4
Quaternary
20101011020233
5
Quinary
241001221330
6
Senary
21432415251
8
Octal
1021051057
10
Decimal
138695215
12
Duodecimal
3a547527
16
Hexadecimal
844522f
20
Vigesimal
236gi0f
36
Base36
2akpwv
md5
f895c6574a8617cd7ee6d1d18258bc98
sha1
a65922cbf9631e8a42fb5236af5490f21a38c985
sha256
8c2c532ee7c685d458c98414165821b2dfe92ab0b05f7757f988717dfbb44214
sha512
35664b4d36b6e6feb02716464688a9e4a7976c937b6b572588deaaaf47c7aa2938589f9b993121c7bb4c72e1b1c6351960e1c7619614492f9a84a6d92db47bba
ripemd-160
f46a816c6864944539006679dc2a52e1827710e5
Diameter
277390430
Circumference
871447737.06411
Area
6.0432815626685E+16
Volume
1.1175656475198E+25
Surface area
2.4173126250674E+17
Circumference
871447737.06411
Perimeter
554780860
Area
19236362663896225
Diagonal
196144654.08925
Surface area
115418175983377350
Volume
2.6679914554871E+24
Space diagonal
240227159.14669
Perimeter
416085645
Area
8.3295893716723E+15
Altitude
120113579.57334
Surface area
8.3295893716723E+15
Volume
3.1442580838711E+23
Height
65381551.363084