31507930 is an even 8-digits composite number following 31507929
and preceding 31507931 . In scientific notation, it is written as 3.1507930 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 12055120 positive integers (up to 31507930) that are relatively prime to 31507930.
31507930 has 16 divisors, whose sum is 59180544
The reverse of 31507930 is 03970513
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million five hundred seven thousand nine hundred thirty
Scientific notation
3.1507930 × 10^7
Engineering notation
3.1507930 × 10^6
Prime Factorization
2 × 5 × 23 × 136991
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31507930
Product of the distinct prime numbers
The prime factorization of 31507930 is 2 × 5 × 23 × 136991.
Since it has a total of 4 prime factors.
6 , 7 , 89 , 90 , 70 , 440 , 6842 , 8604 , 65077 , 81846 , 979881 , 885352 , 6429908 , 244686 , 29990322 , 57821795 , 222930397 , 476900605 , 2657039974 , 7887749676
n×2
63015860
n×3
94523790
n×4
126031720
n×5
157539650
n÷2
15753965
n÷3
10502643.333333
n÷3
7876982.5
n÷5
6301586
n2
992749652884900
n3
3.1279486570622E+22
n4
9.8555187330309E+29
n5
3.1052699435403E+37
2 √n
5613.1924962538
3 √n
315.8444796336
4 √n
74.921241956162
5 √n
31.59977384075
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 136991 , 273982 , 684955 , 1369910 , 3150793 , 6301586 , 15753965 , 31507930
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31507929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31507930 can be divided by 16 positive divisors.
The sum of these divisors (counting 31507930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001100010111011010
3
Ternary
2012021202202101
4
Quaternary
1320030113122
5
Quinary
31031223210
6
Senary
3043154014
8
Octal
170142732
10
Decimal
31507930
12
Duodecimal
a67590a
16
Hexadecimal
1e0c5da
20
Vigesimal
9gi9ga
36
Base36
irboa
md5
cc97a4c71f7f2fa10c3060a35de78e55
sha1
bc3b3f3f92d82020b308fb9917f3c5caa9a48e84
sha256
72986f54264a4a39e2b75ab43ed296ed086bf731bb709df233266255fad24cda
sha512
b772b9baa28c8a36841b4f0b8c947c17dc2996ad5d8613627fb13adaec13698128c3ba2aaef0baf102c1ad0c1f7205e81f7f47f0047f4b5145257588e0bae57c
ripemd-160
4ff55a53f503d18918b12287c98743a4db771146
Diameter
63015860
Circumference
197970162.83564
Area
3.118815016357E+15
Volume
1.3102320695777E+23
Surface area
1.2475260065428E+16
Circumference
197970162.83564
Perimeter
126031720
Area
992749652884900
Diagonal
44558941.928302
Surface area
5956497917309400
Volume
3.1279486570622E+22
Space diagonal
54573335.601324
Perimeter
94523790
Area
4.2987320949825E+14
Altitude
27286667.800662
Surface area
4.2987320949825E+14
Volume
3.6863228443534E+21
Height
14852980.642767