138015931 is an odd 9-digits composite number following 138015930
and preceding 138015932 . In scientific notation, it is written as 1.38015931 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 137931472 positive integers (up to 138015931) that are relatively prime to 138015931.
138015931 has 4 divisors, whose sum is 138100392
The reverse of 138015931 is 139510831
Previous prime number is 1667
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-eight million fifteen thousand nine hundred thirty-one
Scientific notation
1.38015931 × 10^8
Engineering notation
1.38015931 × 10^6
Prime Factorization
1667 × 82793
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138015931
Product of the distinct prime numbers
The prime factorization of 138015931 is 1667 × 82793.
Since it has a total of 2 prime factors.
5 , 2 , 99 , 54 , 980 , 588 , 5318 , 2331 , 62006 , 30162 , 905254 , 237239 , 7909918 , 4630237 , 51432850 , 36263658 , 318198553 , 969539033 , 669273217 , 7198636479
n×2
276031862
n×3
414047793
n×4
552063724
n×5
690079655
n÷2
69007965.5
n÷3
46005310.333333
n÷3
34503982.75
n÷5
27603186.2
n2
19048397209796761
n3
2.6289822749679E+24
n4
3.6284143626219E+32
n5
5.0077898631104E+40
2 √n
11748.018173292
3 √n
516.78480993503
4 √n
108.38827507296
5 √n
42.460572340132
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
-138015930
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 138015931 can be divided by 4 positive divisors.
The sum of these divisors (counting 138015931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001110011111010010111011
3
Ternary
100121200221021011
4
Quaternary
20032133102323
5
Quinary
240313002211
6
Senary
21410054351
8
Octal
1016372273
10
Decimal
138015931
12
Duodecimal
3a27a3b7
16
Hexadecimal
839f4bb
20
Vigesimal
232bjgb
36
Base36
2a65rv
md5
6c3384a603316a20f3763c7cc63bee19
sha1
2aa3fd6bbd7652c2f94698d73624bd454637a952
sha256
a6fe0ff36bc0f26b332fb72cc2a0c51ca13c57ca554d7c748e6e31168194b206
sha512
54e82a9e255a481a189a5a98fc887e807b57a622ded388512987a4c08c252f438485995a0d748035f3d3639a9ae6a3eafb1a5023bf366192cbb5711f8379414a
ripemd-160
3734a604fa0a004cf0b7489a2baa712fbc9356e8
Diameter
276031862
Circumference
867179669.81591
Area
5.9842304736958E+16
Volume
1.1012255201943E+25
Surface area
2.3936921894783E+17
Circumference
867179669.81591
Perimeter
552063724
Area
19048397209796761
Diagonal
195184001.44375
Surface area
114290383258780566
Volume
2.6289822749679E+24
Space diagonal
239050604.74592
Perimeter
414047793
Area
8.2481979425303E+15
Altitude
119525302.37296
Surface area
8.2481979425303E+15
Volume
3.0982853237484E+23
Height
65061333.814583