31139942 (number)

31139942 is an even 8-digits composite number following 31139941 and preceding 31139943. In scientific notation, it is written as 3.1139942 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15569970 positive integers (up to 31139942) that are relatively prime to 31139942.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred thirty-nine thousand nine hundred forty-two

Notation

Scientific notation 3.1139942 × 10^7
Engineering notation 3.1139942 × 10^6

Prime Factorization of 31139942

Prime Factorization 2 × 15569971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31139942
Product of the distinct prime numbers

The prime factorization of 31139942 is 2 × 15569971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139942)

Multiplication

n×y
n×2 62279884
n×3 93419826
n×4 124559768
n×5 155699710

Division

n÷y
n÷2 15569971
n÷3 10379980.666667
n÷3 7784985.5
n÷5 6227988.4

Exponentiation

ny
n2 969695987763364
n3 3.0196276816584E+22
n4 9.4031030868437E+29
n5 2.9281208474433E+37

Nth Root

y√n
2√n 5580.3173744869
3√n 314.61005581905
4√n 74.70152190208
5√n 31.525614444362

Divisors of 31139942

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31139941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31139942 can be divided by 4 positive divisors. The sum of these divisors (counting 31139942) is 1, the average is 0.25.

Base conversion 31139942

Base System Value
2 Binary 1110110110010100001100110
3 Ternary 2011121001222012
4 Quaternary 1312302201212
5 Quinary 30432434232
6 Senary 3031234222
8 Octal 166624146
10 Decimal 31139942
12 Duodecimal a518972
16 Hexadecimal 1db2866
20 Vigesimal 9ec9h2
36 Base36 ijfqe

Cryptographic Hash Functions

md5 d6c31d0eae04c0ed49a0acf16b2194a0
sha1 bfe8041f80bcc3abe168e013e87a0f4045bc3c5e
sha256 210c36d68a122413cfe32b7097d37a85916d120077ca85e5cc98ffc959d32b8c
sha512 4d62b0b6c215a40d8a07e5386449a36a247844a3863124f32ff901c9fa116a3e8d2d606d569cb39c4dae2760b1bb2d1692b4578f28f02884ce2b5fa0520392ef
ripemd-160 e560733fe99181ef3cf46063f0a0b50677ae80ca

31139942 as geometric shapes

Circle

Radius = n
Diameter 62279884
Circumference 195658026.04082
Area 3.0463897913729E+15

Sphere

Radius = n
Volume 1.2648586855032E+23
Surface area 1.2185559165492E+16
Circumference 195658026.04082

Square

Length = n
Perimeter 124559768
Area 969695987763364
Diagonal 44038528.307912

Cube

Length = n
Surface area 5818175926580184
Volume 3.0196276816584E+22
Space diagonal 53935961.688748

Equilateral Triangle

Length = n
Perimeter 93419826
Area 4.1989067967546E+14
Altitude 26967980.844374

Triangular Pyramid

Length = n
Surface area 4.1989067967546E+14
Volume 3.5586653505988E+21
Height 14679509.435971