31130181 is an odd 8-digits composite number following 31130180
and preceding 31130182 . In scientific notation, it is written as 3.1130181 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 20753448 positive integers (up to 31130181) that are relatively prime to 31130181.
31130181 has 4 divisors, whose sum is 34589100
The reverse of 31130181 is 18103113
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
thirty-one million one hundred thirty thousand one hundred eighty-one
Scientific notation
3.1130181 × 10^7
Engineering notation
3.1130181 × 10^6
Prime Factorization
9 × 3458909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31130181
Product of the distinct prime numbers
The prime factorization of 31130181 is 9 × 3458909.
Since it has a total of 2 prime factors.
7 , 4 , 29 , 25 , 236 , 415 , 6982 , 2855 , 4825 , 86145 , 732845 , 752475 , 9042051 , 4781402 , 27003163 , 28581196 , 793982328 , 940005580 , 2073142936 , 560811629
n×2
62260362
n×3
93390543
n×4
124520724
n×5
155650905
n÷2
15565090.5
n÷3
10376727
n÷3
7782545.25
n÷5
6226036.2
n2
969088169092761
n3
3.0167890108816E+22
n4
9.3913187947556E+29
n5
2.9235345390944E+37
2 √n
5579.4427141068
3 √n
314.57718025283
4 √n
74.695667304783
5 √n
31.523637818248
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31130180
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31130181 can be divided by 4 positive divisors.
The sum of these divisors (counting 31130181) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110110000001001000101
3
Ternary
2011120120120200
4
Quaternary
1312300021011
5
Quinary
30432131211
6
Senary
3031121113
8
Octal
166601105
10
Decimal
31130181
12
Duodecimal
a513199
16
Hexadecimal
1db0245
20
Vigesimal
9eb591
36
Base36
ij879
md5
39e9c222b1b3973beff2c6f459678f2a
sha1
74688176550cc3aed20a4f540043366de6490636
sha256
2b6045b0ad574684627130e086af104346e66e9f299904bd362ba3dd82a781d6
sha512
1ca28e9b11a6d3f5327b3f24580cbf563de53933bc44aa84f36cb5cef8aba529c4fa681de3ff7496284199fe5f75b913db6989875544b9e72a0adeb078348b4f
ripemd-160
75869628f30fba66b83374264af1abf8588611e3
Diameter
62260362
Circumference
195596695.86904
Area
3.0444802727026E+15
Volume
1.2636696258688E+23
Surface area
1.217792109081E+16
Circumference
195596695.86904
Perimeter
124520724
Area
969088169092761
Diagonal
44024724.169329
Surface area
5814529014556566
Volume
3.0167890108816E+22
Space diagonal
53919055.140815
Perimeter
93390543
Area
4.1962748647064E+14
Altitude
26959527.570408
Surface area
4.1962748647064E+14
Volume
3.5553199450058E+21
Height
14674908.056443