31490745 is an odd 8-digits composite number following 31490744
and preceding 31490746 . In scientific notation, it is written as 3.1490745 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 13777920 positive integers (up to 31490745) that are relatively prime to 31490745.
31490745 has 32 divisors, whose sum is 47077632
The reverse of 31490745 is 54709413
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
thirty-one million four hundred ninety thousand seven hundred forty-five
Scientific notation
3.1490745 × 10^7
Engineering notation
3.1490745 × 10^6
Prime Factorization
3 × 13 × 55 × 53 × 277
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31490745
Product of the distinct prime numbers
The prime factorization of 31490745 is 3 × 13 × 55 × 53 × 277.
Since it has a total of 5 prime factors.
4 , 10 , 38 , 26 , 344 , 902 , 8676 , 7345 , 51834 , 63204 , 511537 , 745765 , 7723432 , 502656 , 40312965 , 94824869 , 548913355 , 858941002 , 7698124898 , 8393825625
n×2
62981490
n×3
94472235
n×4
125962980
n×5
157453725
n÷2
15745372.5
n÷3
10496915
n÷3
7872686.25
n÷5
6298149
n2
991667020655025
n3
3.1228333272357E+22
n4
9.8340347985481E+29
n5
3.0968108216221E+37
2 √n
5611.6615186592
3 √n
315.78704674304
4 √n
74.911024012886
5 √n
31.596326069816
1 , 3 , 13 , 39 , 53 , 55 , 159 , 165 , 277 , 689 , 715 , 831 , 2067 , 2145 , 2915 , 3601 , 8745 , 10803 , 14681 , 15235 , 37895 , 44043 , 45705 , 113685 , 190853 , 198055 , 572559 , 594165 , 807455 , 2422365 , 10496915 , 31490745
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31490744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31490745 can be divided by 32 positive divisors.
The sum of these divisors (counting 31490745) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111000001000001010111001
3
Ternary
2012020220011220
4
Quaternary
1320020022321
5
Quinary
31030200440
6
Senary
3042542253
8
Octal
170101271
10
Decimal
31490745
12
Duodecimal
a667989
16
Hexadecimal
1e082b9
20
Vigesimal
9gg6h5
36
Base36
iqyex
md5
7cdfa9f74bbec1d7e57d577966124bc3
sha1
d9dd85a60c346f9f226b6d3d5dee8702fbb94c0b
sha256
d83f154335dde4b776a5c61eadaf078e861e03bde57c138ba7af14719634cd01
sha512
dc5778c858fcc9173bb29a20a55293ad89983c8e8dd0626ef50a384af40557ca9db807b21d6f3283b05a28a5c7fd89f9ab0f1b66a1dcd4a141b9b5cd4a95aa94
ripemd-160
32ef0bb0556cc34cfbe9226246c800fdbd0423ea
Diameter
62981490
Circumference
197862186.29614
Area
3.1154138268971E+15
Volume
1.3080893652305E+23
Surface area
1.2461655307588E+16
Circumference
197862186.29614
Perimeter
125962980
Area
991667020655025
Diagonal
44534638.668233
Surface area
5950002123930150
Volume
3.1228333272357E+22
Space diagonal
54543570.308196
Perimeter
94472235
Area
4.2940441599124E+14
Altitude
27271785.154098
Surface area
4.2940441599124E+14
Volume
3.6802943703395E+21
Height
14844879.556078