31191131 is an odd 8-digits prime number following 31191130
and preceding 31191132 . In scientific notation, it is written as 3.1191131 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 31191130 positive integers (up to 31191131) that are relatively prime to 31191131.
31191131 has 2 divisors, whose sum is 31191132
The reverse of 31191131 is 13119113
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirty-one million one hundred ninety-one thousand one hundred thirty-one
Scientific notation
3.1191131 × 10^7
Engineering notation
3.1191131 × 10^6
Prime Factorization
31191131
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31191131
Product of the distinct prime numbers
The prime factorization of 31191131 is 31191131.
Since it has a total of 1 prime factors.
10 , 5 , 69 , 56 , 641 , 35 , 8584 , 8498 , 78167 , 78489 , 263728 , 561361 , 7873643 , 9493806 , 71045965 , 75921253 , 43635508 , 703555591 , 6954888024 , 14886965
n×2
62382262
n×3
93573393
n×4
124764524
n×5
155955655
n÷2
15595565.5
n÷3
10397043.666667
n÷3
7797782.75
n÷5
6238226.2
n2
972886653059161
n3
3.034543504372E+22
n4
9.4650843970066E+29
n5
2.9522668735309E+37
2 √n
5584.9020582281
3 √n
314.78235069962
4 √n
74.732202284076
5 √n
31.535972232546
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31191132
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15595566
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5584.9021477551
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999358792
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31191131 can be divided by 2 positive divisors.
The sum of these divisors (counting 31191131) is 31191132, the average is 15595566.
Base
System
Value
2
Binary
1110110111111000001011011
3
Ternary
2011200200012002
4
Quaternary
1312333001123
5
Quinary
30441104011
6
Senary
3032311215
8
Octal
166770133
10
Decimal
31191131
12
Duodecimal
a54250b
16
Hexadecimal
1dbf05b
20
Vigesimal
9eihgb
36
Base36
ikj8b
md5
56a5d36c96f1b6fa8ea61e0b72234ad1
sha1
2713b9717b5d291484f8b0d82b7548a6f3cf98e8
sha256
a6255e64e1bde627937fce6e0d80f335048f157fa03aaea05fd5bcc90d0e953b
sha512
659f27470fc3eb3f06a28e5792e7e844c472698f35825cd031c1c8e2b457d70b7a5c02dd5eba752b5feb9f7529729018a98e47dab8922cd125e2277bac8194c0
ripemd-160
ef744466d158a6c385a3f4effa0826f1819fa4dd
Diameter
62382262
Circumference
195979656.01351
Area
3.0564135620262E+15
Volume
1.2711066107112E+23
Surface area
1.2225654248105E+16
Circumference
195979656.01351
Perimeter
124764524
Area
972886653059161
Diagonal
44110920.485956
Surface area
5837319918354966
Volume
3.034543504372E+22
Space diagonal
54024623.637537
Perimeter
93573393
Area
4.2127227827603E+14
Altitude
27012311.818768
Surface area
4.2127227827603E+14
Volume
3.576243816245E+21
Height
14703640.161985