31128982 is an even 8-digits composite number following 31128981
and preceding 31128983 . In scientific notation, it is written as 3.1128982 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 14887752 positive integers (up to 31128982) that are relatively prime to 31128982.
31128982 has 8 divisors, whose sum is 48723696
The reverse of 31128982 is 28982113
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
thirty-one million one hundred twenty-eight thousand nine hundred eighty-two
Scientific notation
3.1128982 × 10^7
Engineering notation
3.1128982 × 10^6
Prime Factorization
2 × 23 × 676717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31128982
Product of the distinct prime numbers
The prime factorization of 31128982 is 2 × 23 × 676717.
Since it has a total of 3 prime factors.
10 , 4 , 59 , 27 , 548 , 496 , 8824 , 9190 , 65477 , 10197 , 403612 , 581289 , 2703772 , 1018093 , 9276730 , 8463115 , 380660779 , 989415031 , 5664440451 , 5301612877
n×2
62257964
n×3
93386946
n×4
124515928
n×5
155644910
n÷2
15564491
n÷3
10376327.333333
n÷3
7782245.5
n÷5
6225796.4
n2
969013520356324
n3
3.0164404432929E+22
n4
9.3898720263336E+29
n5
2.9229715729004E+37
2 √n
5579.3352650652
3 √n
314.57314148328
4 √n
74.694948055844
5 √n
31.523394983655
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
-31128981
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 31128982 can be divided by 8 positive divisors.
The sum of these divisors (counting 31128982) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101111110110010110
3
Ternary
2011120111221021
4
Quaternary
1312233312112
5
Quinary
30432111412
6
Senary
3031111354
8
Octal
166576626
10
Decimal
31128982
12
Duodecimal
a51255a
16
Hexadecimal
1dafd96
20
Vigesimal
9eb292
36
Base36
ij79y
md5
5819f56d5edd4b674f0c54b1e7017796
sha1
d66b410ac6ed495c599651dfa1a20ccbbcd2ed49
sha256
2be6aa080b568f1eff1eec6fd7de1f2c29de8120b33fca1110427087a8b56a12
sha512
ed63e8503c9f55b32dc356f2d19fe9c3af3bbe7ae4fcf6294b144c98a4eeb4d5315aec7755b52574f38de54efc9b199ab0a60006c044e3620d77cc5f6cec2eff
ripemd-160
d7e719ed74caeb95f29ee2e8cc658defec6f1bea
Diameter
62257964
Circumference
195589162.32986
Area
3.0442457567806E+15
Volume
1.2635236182187E+23
Surface area
1.2176983027122E+16
Circumference
195589162.32986
Perimeter
124515928
Area
969013520356324
Diagonal
44023028.527268
Surface area
5814081122137944
Volume
3.0164404432929E+22
Space diagonal
53916978.411897
Perimeter
93386946
Area
4.1959516261958E+14
Altitude
26958489.205949
Surface area
4.1959516261958E+14
Volume
3.5549091541629E+21
Height
14674342.842423