31387922 is an even 8-digits composite number following 31387921
and preceding 31387923 . In scientific notation, it is written as 3.1387922 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 15693960 positive integers (up to 31387922) that are relatively prime to 31387922.
31387922 has 4 divisors, whose sum is 47081886
The reverse of 31387922 is 22978313
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
thirty-one million three hundred eighty-seven thousand nine hundred twenty-two
Scientific notation
3.1387922 × 10^7
Engineering notation
3.1387922 × 10^6
Prime Factorization
2 × 15693961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31387922
Product of the distinct prime numbers
The prime factorization of 31387922 is 2 × 15693961.
Since it has a total of 2 prime factors.
4 , 1 , 48 , 95 , 674 , 333 , 986 , 9734 , 30845 , 69331 , 769765 , 554855 , 3601718 , 9162532 , 6436376 , 61326379 , 257270008 , 420851179 , 1180532106 , 4289728163
n×2
62775844
n×3
94163766
n×4
125551688
n×5
156939610
n÷2
15693961
n÷3
10462640.666667
n÷3
7846980.5
n÷5
6277584.4
n2
985201647478084
n3
3.0923432465314E+22
n4
9.7062228619353E+29
n5
3.0465816610504E+37
2 √n
5602.4924810302
3 √n
315.44297130025
4 √n
74.849799472211
5 √n
31.575665519714
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
-31387921
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 31387922 can be divided by 4 positive divisors.
The sum of these divisors (counting 31387922) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111101111000100010010
3
Ternary
2012001200010122
4
Quaternary
1313233010102
5
Quinary
31013403142
6
Senary
3040430242
8
Octal
167570422
10
Decimal
31387922
12
Duodecimal
a618382
16
Hexadecimal
1def112
20
Vigesimal
9g39g2
36
Base36
ior2q
md5
527ea8495e0fda69c28d6ea98919e019
sha1
2b1e93e9161a318e47da7d7479d75361a276b230
sha256
ff8d0d36cb63729d36952cec85d83d15ae245f860f2eda7b4ec4a492516e4bb6
sha512
bc95e530013d4c969466f55dad986a5a807a7da0f020ac44f9f2d8581720279821af7d8c1c3a5a33b0a871efa450446858a1f153a809e6fdf85c094503b158db
ripemd-160
49e5cc62160fb6713afdc56f8c0d31098c048a6a
Diameter
62775844
Circumference
197216130.3333
Area
3.0951022580217E+15
Volume
1.2953177100908E+23
Surface area
1.2380409032087E+16
Circumference
197216130.3333
Perimeter
125551688
Area
985201647478084
Diagonal
44389224.987109
Surface area
5911209884868504
Volume
3.0923432465314E+22
Space diagonal
54365475.648009
Perimeter
94163766
Area
4.2660482728315E+14
Altitude
27182737.824004
Surface area
4.2660482728315E+14
Volume
3.6443614656312E+21
Height
14796408.329036