31507428 is an even 8-digits composite number following 31507427
and preceding 31507429 . In scientific notation, it is written as 3.1507428 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 10502472 positive integers (up to 31507428) that are relatively prime to 31507428.
31507428 has 12 divisors, whose sum is 73517360
The reverse of 31507428 is 82470513
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million five hundred seven thousand four hundred twenty-eight
Scientific notation
3.1507428 × 10^7
Engineering notation
3.1507428 × 10^6
Prime Factorization
2 × 2 × 3 × 2625619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15753714
Product of the distinct prime numbers
The prime factorization of 31507428 is 2 × 2 × 3 × 2625619.
Since it has a total of 4 prime factors.
8 , 1 , 97 , 86 , 835 , 663 , 4612 , 383 , 39646 , 1464 , 297912 , 459730 , 4972302 , 8710890 , 20540623 , 67147593 , 23028404 , 664229676 , 9949364443 , 8323591637
n×2
63014856
n×3
94522284
n×4
126029712
n×5
157537140
n÷2
15753714
n÷3
10502476
n÷3
7876857
n÷5
6301485.6
n2
992718019175184
n3
3.1277991513465E+22
n4
9.854890655951E+29
n5
3.1050225779025E+37
2 √n
5613.1477799894
3 √n
315.84280222762
4 √n
74.920943533764
5 √n
31.599673147448
1 , 2 , 3 , 4 , 6 , 12 , 2625619 , 5251238 , 7876857 , 10502476 , 15753714 , 31507428
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
-31507427
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 31507428 can be divided by 12 positive divisors.
The sum of these divisors (counting 31507428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000001100001111100100
3
Ternary
2012021202001210
4
Quaternary
1320030033210
5
Quinary
31031214203
6
Senary
3043151420
8
Octal
170141744
10
Decimal
31507428
12
Duodecimal
a675570
16
Hexadecimal
1e0c3e4
20
Vigesimal
9gi8b8
36
Base36
irbac
md5
b5b447b5e1ff4b11cc17ccb3c4558009
sha1
d08325668146e887e7313ac3cfe05414e86c2b14
sha256
2e1a435e66615e41834ae019cff0ee296f00283fc482a4860b37ffd089ade71d
sha512
6a444b5e1dd46b159cfdbc55402143b967415f74a4454a208885130e83a43b526cf3bb69b20aadfb3e0cd47a13fcd1cc4afc9ce7f3b3f3bfef43de9ca73f533c
ripemd-160
c659d2fd851b79a3ea474668487e1b9507b46534
Diameter
63014856
Circumference
197967008.67662
Area
3.118715636127E+15
Volume
1.3101694447699E+23
Surface area
1.2474862544508E+16
Circumference
197967008.67662
Perimeter
126029712
Area
992718019175184
Diagonal
44558231.993094
Surface area
5956308115051104
Volume
3.1277991513465E+22
Space diagonal
54572466.111818
Perimeter
94522284
Area
4.2985951170014E+14
Altitude
27286233.055909
Surface area
4.2985951170014E+14
Volume
3.6861466501777E+21
Height
14852743.997698