31492972 is an even 8-digits composite number following 31492971
and preceding 31492973 . In scientific notation, it is written as 3.1492972 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 13496976 positive integers (up to 31492972) that are relatively prime to 31492972.
31492972 has 12 divisors, whose sum is 62986000
The reverse of 31492972 is 27929413
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million four hundred ninety-two thousand nine hundred seventy-two
Scientific notation
3.1492972 × 10^7
Engineering notation
3.1492972 × 10^6
Prime Factorization
2 × 2 × 7 × 1124749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15746486
Product of the distinct prime numbers
The prime factorization of 31492972 is 2 × 2 × 7 × 1124749.
Since it has a total of 4 prime factors.
7 , 7 , 24 , 31 , 400 , 524 , 9608 , 3253 , 12202 , 83708 , 894897 , 566650 , 1462241 , 583976 , 45037217 , 29251314 , 876482042 , 883987509 , 8838268665 , 7287411836
n×2
62985944
n×3
94478916
n×4
125971888
n×5
157464860
n÷2
15746486
n÷3
10497657.333333
n÷3
7873243
n÷5
6298594.4
n2
991807285392784
n3
3.1234959068271E+22
n4
9.836816913582E+29
n5
3.0979059962857E+37
2 √n
5611.8599412316
3 √n
315.79449063569
4 √n
74.912348389512
5 √n
31.596772950497
1 , 2 , 4 , 7 , 14 , 28 , 1124749 , 2249498 , 4498996 , 7873243 , 15746486 , 31492972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31492971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31492972 can be divided by 12 positive divisors.
The sum of these divisors (counting 31492972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000001000101101101100
3
Ternary
2012021000020101
4
Quaternary
1320020231230
5
Quinary
31030233342
6
Senary
3043000444
8
Octal
170105554
10
Decimal
31492972
12
Duodecimal
a669124
16
Hexadecimal
1e08b6c
20
Vigesimal
9ggc8c
36
Base36
ir04s
md5
b53aa2d91d274bd54879827ba883b62b
sha1
08665d35730dfd6b213d3a5704036b3c5be096ca
sha256
fa911912aa440f958282a1c24ab9dcf1f8e0b27f6126ddebb76749a09cf7324a
sha512
80c4a45fb9c1e466073f8b7b7118d5295eff7a6ca77a6cd3bbff6e3021911a9539378f9e3fa149c6ae8f0042edbf95c3bb66e452ce1b6f1cdcdd030f1ed53a10
ripemd-160
7748da24b7b6b39dc48875a278ed022b11ec1b11
Diameter
62985944
Circumference
197876178.94982
Area
3.1158544815668E+15
Volume
1.3083669059208E+23
Surface area
1.2463417926267E+16
Circumference
197876178.94982
Perimeter
125971888
Area
991807285392784
Diagonal
44537788.121836
Surface area
5950843712356704
Volume
3.1234959068271E+22
Space diagonal
54547427.585344
Perimeter
94478916
Area
4.2946515240432E+14
Altitude
27273713.792672
Surface area
4.2946515240432E+14
Volume
3.6810752278764E+21
Height
14845929.373945