31128536 is an even 8-digits composite number following 31128535
and preceding 31128537 . In scientific notation, it is written as 3.1128536 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 14745024 positive integers (up to 31128536) that are relatively prime to 31128536.
31128536 has 16 divisors, whose sum is 61438200
The reverse of 31128536 is 63582113
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million one hundred twenty-eight thousand five hundred thirty-six
Scientific notation
3.1128536 × 10^7
Engineering notation
3.1128536 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 204793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7782134
Product of the distinct prime numbers
The prime factorization of 31128536 is 2 × 2 × 2 × 19 × 204793.
Since it has a total of 5 prime factors.
5 , 8 , 48 , 63 , 949 , 208 , 8113 , 4136 , 45252 , 95038 , 334628 , 523148 , 2908530 , 9731074 , 77888092 , 88138279 , 245988088 , 890277551 , 8394702011 , 7095833969
n×2
62257072
n×3
93385608
n×4
124514144
n×5
155642680
n÷2
15564268
n÷3
10376178.666667
n÷3
7782134
n÷5
6225707.2
n2
968985753503296
n3
3.0163107911414E+22
n4
9.3893339049235E+29
n5
2.9227621847543E+37
2 √n
5579.2952960029
3 √n
314.57163912886
4 √n
74.694680506733
5 √n
31.523304652948
1 , 2 , 4 , 8 , 19 , 38 , 76 , 152 , 204793 , 409586 , 819172 , 1638344 , 3891067 , 7782134 , 15564268 , 31128536
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
-31128535
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 31128536 can be divided by 16 positive divisors.
The sum of these divisors (counting 31128536) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101111101111011000
3
Ternary
2011120111022202
4
Quaternary
1312233233120
5
Quinary
30432103121
6
Senary
3031105332
8
Octal
166575730
10
Decimal
31128536
12
Duodecimal
a512248
16
Hexadecimal
1dafbd8
20
Vigesimal
9eb16g
36
Base36
ij6xk
md5
e4768810ac399c1c963c0f42efaccdfc
sha1
8ab50166aa8a4e6f2c2eb4ffd7c8683e154adcd3
sha256
c8e6ae626c7e39b7c7430191b87f016fc6b8a5761aa844dc4acdef07d8858979
sha512
7787c8b624abde9e970dc9547cc4d39367778407ebdd96fc4b91290bda11da872e052a42c2784792d91b290d90695c1094306d40931c87de8e96aaa576f2fd20
ripemd-160
6d27103d1b2666b10f52e7caffb8c5ab6de17433
Diameter
62257072
Circumference
195586360.02921
Area
3.0441585246391E+15
Volume
1.2634693096525E+23
Surface area
1.2176634098556E+16
Circumference
195586360.02921
Perimeter
124514144
Area
968985753503296
Diagonal
44022397.788019
Surface area
5813914521019776
Volume
3.0163107911414E+22
Space diagonal
53916205.917237
Perimeter
93385608
Area
4.1958313921953E+14
Altitude
26958102.958618
Surface area
4.1958313921953E+14
Volume
3.5547563576371E+21
Height
14674132.596006