31506728 (number)

31506728 is an even 8-digits composite number following 31506727 and preceding 31506729. In scientific notation, it is written as 3.1506728 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 14321200 positive integers (up to 31506728) that are relatively prime to 31506728.

Interesting facts

Basic properties

Name

Name thirty-one million five hundred six thousand seven hundred twenty-eight

Notation

Scientific notation 3.1506728 × 10^7
Engineering notation 3.1506728 × 10^6

Prime Factorization of 31506728

Prime Factorization 2 × 2 × 2 × 11 × 358031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7876682
Product of the distinct prime numbers

The prime factorization of 31506728 is 2 × 2 × 2 × 11 × 358031. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 29, 14, 725, 55, 7282, 4349, 93502, 58357, 244451, 971412, 3696450, 9239515, 7156922, 64644263, 649649041, 18143046, 6746618796, 3561367174

Basic calculations (n = 31506728)

Multiplication

n×y
n×2 63013456
n×3 94520184
n×4 126026912
n×5 157533640

Division

n÷y
n÷2 15753364
n÷3 10502242.666667
n÷3 7876682
n÷5 6301345.6

Exponentiation

ny
n2 992673909265984
n3 3.127590685194E+22
n4 9.8540149013741E+29
n5 3.1046776720554E+37

Nth Root

y√n
2√n 5613.085426038
3√n 315.84046318555
4√n 74.92052740096
5√n 31.599532736319

Divisors of 31506728

1, 2, 4, 8, 11, 22, 44, 88, 358031, 716062, 1432124, 2864248, 3938341, 7876682, 15753364, 31506728

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31506727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31506728 can be divided by 16 positive divisors. The sum of these divisors (counting 31506728) is 1, the average is 0.0625.

Base conversion 31506728

Base System Value
2 Binary 1111000001100000100101000
3 Ternary 2012021201002212
4 Quaternary 1320030010220
5 Quinary 31031203403
6 Senary 3043144252
8 Octal 170140450
10 Decimal 31506728
12 Duodecimal a675088
16 Hexadecimal 1e0c128
20 Vigesimal 9gi6g8
36 Base36 iraqw

Cryptographic Hash Functions

md5 d0795d87eb0640efa34e3273fbb71747
sha1 540c5701b0ead8b204ce069ec34a236eefbe73cf
sha256 649d6d46b611fb7b21a8067db6bc911e4739616d001de70a6b52215db6387024
sha512 ba80123bcfe1e0e97f4e2ff70e8ad672f6753452d608a7d71ea0a26ee6ab4b206b427d72a9993ac85b3144548b5efc5dafb303e5defd6a8dbee8b0e5b2a1f514
ripemd-160 822c5d635ebad31ffd57e777d8e439707af2967e

31506728 as geometric shapes

Circle

Radius = n
Diameter 63013456
Circumference 197962610.4469
Area 3.1185770607603E+15

Sphere

Radius = n
Volume 1.3100821226722E+23
Surface area 1.2474308243041E+16
Circumference 197962610.4469

Square

Length = n
Perimeter 126026912
Area 992673909265984
Diagonal 44557242.0436

Cube

Length = n
Surface area 5956043455595904
Volume 3.127590685194E+22
Space diagonal 54571253.676253

Equilateral Triangle

Length = n
Perimeter 94520184
Area 4.2984041154918E+14
Altitude 27285626.838126

Triangular Pyramid

Length = n
Surface area 4.2984041154918E+14
Volume 3.6859009704609E+21
Height 14852414.014533