31492947 is an odd 8-digits composite number following 31492946
and preceding 31492948 . In scientific notation, it is written as 3.1492947 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 20995296 positive integers (up to 31492947) that are relatively prime to 31492947.
31492947 has 4 divisors, whose sum is 41990600
The reverse of 31492947 is 74929413
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty-one million four hundred ninety-two thousand nine hundred forty-seven
Scientific notation
3.1492947 × 10^7
Engineering notation
3.1492947 × 10^6
Prime Factorization
3 × 10497649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31492947
Product of the distinct prime numbers
The prime factorization of 31492947 is 3 × 10497649.
Since it has a total of 2 prime factors.
4 , 4 , 21 , 80 , 933 , 194 , 1523 , 4431 , 81136 , 12 , 724013 , 784773 , 3199090 , 5588789 , 34873165 , 51340012 , 10977840 , 472105465 , 9425111853 , 7257535681
n×2
62985894
n×3
94478841
n×4
125971788
n×5
157464735
n÷2
15746473.5
n÷3
10497649
n÷3
7873236.75
n÷5
6298589.4
n2
991805710744809
n3
3.1234884682784E+22
n4
9.8367856786602E+29
n5
3.097893700284E+37
2 √n
5611.8577138057
3 √n
315.79440707351
4 √n
74.912333522629
5 √n
31.596767934015
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
-31492946
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 31492947 can be divided by 4 positive divisors.
The sum of these divisors (counting 31492947) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000001000101101010011
3
Ternary
2012021000012110
4
Quaternary
1320020231103
5
Quinary
31030233242
6
Senary
3043000403
8
Octal
170105523
10
Decimal
31492947
12
Duodecimal
a669103
16
Hexadecimal
1e08b53
20
Vigesimal
9ggc77
36
Base36
ir043
md5
110561c4c10f04f78d5f2c8db90288ae
sha1
d4f4d7064f7f7345e384a7e135c152973b7b9abb
sha256
61d817f9da4ec874fa052d77383b74d51d709fa4e4937a80103c0c88e4b3a209
sha512
929a03a1637dac16a14a67bb005d4fca02b2970757450bc831baf2bc571a4455a6c66a0ba2c8f3f49ee377e9a4f6ad8d6e465dcd6348f46546551228081497fa
ripemd-160
5a863e75a25ba9c7fa29cd9727ccb6d232dea9cd
Diameter
62985894
Circumference
197876021.87019
Area
3.1158495346643E+15
Volume
1.3083637900688E+23
Surface area
1.2463398138657E+16
Circumference
197876021.87019
Perimeter
125971788
Area
991805710744809
Diagonal
44537752.766497
Surface area
5950834264468854
Volume
3.1234884682784E+22
Space diagonal
54547384.284074
Perimeter
94478841
Area
4.2946447056174E+14
Altitude
27273692.142037
Surface area
4.2946447056174E+14
Volume
3.6810664614627E+21
Height
14845917.588832