31128908 is an even 8-digits composite number following 31128907
and preceding 31128909 . In scientific notation, it is written as 3.1128908 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 15564452 positive integers (up to 31128908) that are relatively prime to 31128908.
31128908 has 6 divisors, whose sum is 54475596
The reverse of 31128908 is 80982113
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million one hundred twenty-eight thousand nine hundred eight
Scientific notation
3.1128908 × 10^7
Engineering notation
3.1128908 × 10^6
Prime Factorization
2 × 2 × 7782227
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15564454
Product of the distinct prime numbers
The prime factorization of 31128908 is 2 × 2 × 7782227.
Since it has a total of 3 prime factors.
1 , 2 , 96 , 98 , 173 , 788 , 3254 , 3864 , 19944 , 61450 , 826992 , 439127 , 6272124 , 2564323 , 89179100 , 27630601 , 400371961 , 711909967 , 2092193960 , 7694575528
n×2
62257816
n×3
93386724
n×4
124515632
n×5
155644540
n÷2
15564454
n÷3
10376302.666667
n÷3
7782227
n÷5
6225781.6
n2
969008913272464
n3
3.0164189312439E+22
n4
9.3897827400148E+29
n5
2.9229368305391E+37
2 √n
5579.3286334469
3 √n
314.5728922147
4 √n
74.694903664486
5 √n
31.523379996121
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31128907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31128908 can be divided by 6 positive divisors.
The sum of these divisors (counting 31128908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110110101111110101001100
3
Ternary
2011120111211112
4
Quaternary
1312233311030
5
Quinary
30432111113
6
Senary
3031111152
8
Octal
166576514
10
Decimal
31128908
12
Duodecimal
a5124b8
16
Hexadecimal
1dafd4c
20
Vigesimal
9eb258
36
Base36
ij77w
md5
45390965d536f4961d1216ce1530c907
sha1
d97e2cf066bf0f8a46b5fd395cb79fae5d877913
sha256
9e813c53ac9d66e18ab44970b3ab6aa7a963b00e5974bcd75031039e83234523
sha512
be038ed098126ca72fcca28f15fa40a743a4798bc3f099c0980b58298e1747cc8743ed5815829a257b4bd4085f52dc6d8d1fa6b4312c5d6a17cacb27aa6bc966
ripemd-160
8b4848092dfcffb15921d78f1977752a942f9f79
Diameter
62257816
Circumference
195588697.37415
Area
3.0442312831998E+15
Volume
1.2635146072726E+23
Surface area
1.2176925132799E+16
Circumference
195588697.37415
Perimeter
124515632
Area
969008913272464
Diagonal
44022923.875464
Surface area
5814053479634784
Volume
3.0164189312439E+22
Space diagonal
53916850.240137
Perimeter
93386724
Area
4.1959316769375E+14
Altitude
26958425.120069
Surface area
4.1959316769375E+14
Volume
3.55488380197E+21
Height
14674307.958488