31381806 (number)

31381806 is an even 8-digits composite number following 31381805 and preceding 31381807. In scientific notation, it is written as 3.1381806 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 9697536 positive integers (up to 31381806) that are relatively prime to 31381806.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-one thousand eight hundred six

Notation

Scientific notation 3.1381806 × 10^7
Engineering notation 3.1381806 × 10^6

Prime Factorization of 31381806

Prime Factorization 2 × 3 × 19 × 47 × 5857

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31381806
Product of the distinct prime numbers

The prime factorization of 31381806 is 2 × 3 × 19 × 47 × 5857. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31381806)

Multiplication

n×y
n×2 62763612
n×3 94145418
n×4 125527224
n×5 156909030

Division

n÷y
n÷2 15690903
n÷3 10460602
n÷3 7845451.5
n÷5 6276361.2

Exponentiation

ny
n2 984817747821636
n3 3.0905359507496E+22
n4 9.6986599642448E+29
n5 3.043614654579E+37

Nth Root

y√n
2√n 5601.9466259507
3√n 315.42248173602
4√n 74.846153047105
5√n 31.574434907355

Divisors of 31381806

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 -31381805
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 31381806 can be divided by 32 positive divisors. The sum of these divisors (counting 31381806) is 1, the average is 0.03125.

Base conversion 31381806

Base System Value
2 Binary 1110111101101100100101110
3 Ternary 2012001100202010
4 Quaternary 1313231210232
5 Quinary 31013204211
6 Senary 3040342050
8 Octal 167554456
10 Decimal 31381806
12 Duodecimal a614926
16 Hexadecimal 1ded92e
20 Vigesimal 9g2ea6
36 Base36 iomcu

Cryptographic Hash Functions

md5 a9302363516454e57f3a17ab6ee157df
sha1 915bb489f6714b8099c31393f189404e861a3732
sha256 4783d7440a542bb9de5f26df01f4933cd3a3abd854359429a1003b872ada6b78
sha512 feea892e8a9a6b7632a2ab3a89da535c11e55fe5d6cf38a03f2815c4d81d138696e6c8b34b5e5c4292248087fff8e5d67073014a51ace3c7a2f637bf93c99e33
ripemd-160 a842115e49486959e12c335a99c15ce576dc5736

31381806 as geometric shapes

Circle

Radius = n
Diameter 62763612
Circumference 197177702.37196
Area 3.0938962016813E+15

Sphere

Radius = n
Volume 1.294560671804E+23
Surface area 1.2375584806725E+16
Circumference 197177702.37196

Square

Length = n
Perimeter 125527224
Area 984817747821636
Diagonal 44380575.656961

Cube

Length = n
Surface area 5908906486929816
Volume 3.0905359507496E+22
Space diagonal 54354882.42527

Equilateral Triangle

Length = n
Perimeter 94145418
Area 4.2643859385566E+14
Altitude 27177441.212635

Triangular Pyramid

Length = n
Surface area 4.2643859385566E+14
Volume 3.6422315471264E+21
Height 14793525.218987