31131275 is an odd 8-digits composite number following 31131274
and preceding 31131276 . In scientific notation, it is written as 3.1131275 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 21347040 positive integers (up to 31131275) that are relatively prime to 31131275.
31131275 has 8 divisors, whose sum is 38425104
The reverse of 31131275 is 57213113
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
thirty-one million one hundred thirty-one thousand two hundred seventy-five
Scientific notation
3.1131275 × 10^7
Engineering notation
3.1131275 × 10^6
Prime Factorization
35 × 5 × 177893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31131275
Product of the distinct prime numbers
The prime factorization of 31131275 is 35 × 5 × 177893.
Since it has a total of 3 prime factors.
9 , 8 , 3 , 79 , 673 , 129 , 6674 , 3338 , 77609 , 5109 , 126157 , 374986 , 1183632 , 84449 , 11226581 , 34144661 , 95987190 , 207956021 , 219679879 , 3137984873
n×2
62262550
n×3
93393825
n×4
124525100
n×5
155656375
n÷2
15565637.5
n÷3
10377091.666667
n÷3
7782818.75
n÷5
6226255
n2
969156283125625
n3
3.0171070767962E+22
n4
9.3926390112188E+29
n5
2.9240482803398E+37
2 √n
5579.5407517107
3 √n
314.58086524483
4 √n
74.696323548824
5 √n
31.523859380564
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
-31131274
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 31131275 can be divided by 8 positive divisors.
The sum of these divisors (counting 31131275) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110110000011010001011
3
Ternary
2011120122002012
4
Quaternary
1312300122023
5
Quinary
30432200100
6
Senary
3031130135
8
Octal
166603213
10
Decimal
31131275
12
Duodecimal
a51394b
16
Hexadecimal
1db068b
20
Vigesimal
9eb83f
36
Base36
ij91n
md5
00cf09820f1f3d47e2f9b01c15ff8a0a
sha1
ed0576eb1e972cfe0ef7c045e7f74cb943fbc0a9
sha256
8fe3ef9ff65c983a60d1d103f8d511bf8d1be2e07c7b52cbd91b72cdcff59c71
sha512
a05ef0641456516e220bcd6218bae4dd1e3e4ecc7229a14166825edcf3e0c5e8bb9100937d0b741cbb0c206da45d3d6daba80d31ffee045e517602f250a07196
ripemd-160
4bc7caeaa0aa8eb93c70187113a4ee493f26a982
Diameter
62262550
Circumference
195603569.67377
Area
3.0446942592479E+15
Volume
1.2638028570075E+23
Surface area
1.2178777036991E+16
Circumference
195603569.67377
Perimeter
124525100
Area
969156283125625
Diagonal
44026271.318966
Surface area
5814937698753750
Volume
3.0171070767962E+22
Space diagonal
53920950.004399
Perimeter
93393825
Area
4.1965698071205E+14
Altitude
26960475.002199
Surface area
4.1965698071205E+14
Volume
3.5556947892808E+21
Height
14675423.772989