31491043 is an odd 8-digits prime number following 31491042
and preceding 31491044 . In scientific notation, it is written as 3.1491043 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 31491042 positive integers (up to 31491043) that are relatively prime to 31491043.
31491043 has 2 divisors, whose sum is 31491044
The reverse of 31491043 is 34019413
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million four hundred ninety-one thousand forty-three
Scientific notation
3.1491043 × 10^7
Engineering notation
3.1491043 × 10^6
Prime Factorization
31491043
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31491043
Product of the distinct prime numbers
The prime factorization of 31491043 is 31491043.
Since it has a total of 1 prime factors.
2 , 6 , 30 , 8 , 192 , 85 , 8446 , 3499 , 84703 , 76037 , 508689 , 111294 , 9215817 , 3334831 , 4889421 , 41944048 , 158964477 , 763101669 , 565871336 , 8924014234
n×2
62982086
n×3
94473129
n×4
125964172
n×5
157455215
n÷2
15745521.5
n÷3
10497014.333333
n÷3
7872760.75
n÷5
6298208.6
n2
991685789227849
n3
3.1229219831063E+22
n4
9.8344070455646E+29
n5
3.0969573515138E+37
2 √n
5611.6880704473
3 √n
315.78804284781
4 √n
74.911201234844
5 √n
31.596385869415
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31491044
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15745522
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5611.688159547
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999364899
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31491043 can be divided by 2 positive divisors.
The sum of these divisors (counting 31491043) is 31491044, the average is 15745522.
Base
System
Value
2
Binary
1111000001000001111100011
3
Ternary
2012020220120221
4
Quaternary
1320020033203
5
Quinary
31030203133
6
Senary
3042543511
8
Octal
170101743
10
Decimal
31491043
12
Duodecimal
a667b97
16
Hexadecimal
1e083e3
20
Vigesimal
9gg7c3
36
Base36
iqyn7
md5
40db96e49dfec28572c54dcf9b7c5b65
sha1
aab04472eba4a6afdf9133ec69f5c876889576fb
sha256
9cbf11fb99a69f14c8a7c8b49ad6a2343ead63a0e3e14501d2cfb052762484d2
sha512
c6a7687fc124ec7772c81f151b77bf5c04fdc6a8724ec9cf7ebdfe8a90b4121e5e91d119c15a79353ba970a4458239c93e123ea236637c930bbd82780beb0603
ripemd-160
2f2cfa94e2e00c518297c6662fba074ca5bc2ed5
Diameter
62982086
Circumference
197864058.68536
Area
3.1154727901076E+15
Volume
1.3081265013148E+23
Surface area
1.246189116043E+16
Circumference
197864058.68536
Perimeter
125964172
Area
991685789227849
Diagonal
44535060.103874
Surface area
5950114735367094
Volume
3.1229219831063E+22
Space diagonal
54544086.459336
Perimeter
94473129
Area
4.2941254302167E+14
Altitude
27272043.229668
Surface area
4.2941254302167E+14
Volume
3.680398852285E+21
Height
14845020.034625