31121018 (number)

31121018 is an even 8-digits composite number following 31121017 and preceding 31121019. In scientific notation, it is written as 3.1121018 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 15531516 positive integers (up to 31121018) that are relatively prime to 31121018.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-one thousand eighteen

Notation

Scientific notation 3.1121018 × 10^7
Engineering notation 3.1121018 × 10^6

Prime Factorization of 31121018

Prime Factorization 2 × 547 × 28447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31121018
Product of the distinct prime numbers

The prime factorization of 31121018 is 2 × 547 × 28447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31121018)

Multiplication

n×y
n×2 62242036
n×3 93363054
n×4 124484072
n×5 155605090

Division

n÷y
n÷2 15560509
n÷3 10373672.666667
n÷3 7780254.5
n÷5 6224203.6

Exponentiation

ny
n2 968517761356324
n3 3.014125868449E+22
n4 9.3802665406267E+29
n5 2.9192344385564E+37

Nth Root

y√n
2√n 5578.621514317
3√n 314.54631252822
4√n 74.690170131798
5√n 31.521781837339

Divisors of 31121018

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31121017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31121018 can be divided by 8 positive divisors. The sum of these divisors (counting 31121018) is 1, the average is 0.125.

Base conversion 31121018

Base System Value
2 Binary 1110110101101111001111010
3 Ternary 2011120010000022
4 Quaternary 1312231321322
5 Quinary 30431333033
6 Senary 3031010442
8 Octal 166557172
10 Decimal 31121018
12 Duodecimal a509a22
16 Hexadecimal 1dade7a
20 Vigesimal 9ea2ai
36 Base36 ij14q

Cryptographic Hash Functions

md5 8f3665b965c6429c7eec305e0ef02bf0
sha1 0a0ea7c47935cb6c53e81270e98221bf1389bd5d
sha256 6d314f54d092769b23bec54c78ff0980a246922dad2646980fe9362e03a98f7c
sha512 7065623bfbdf63e5861220ed5e7632f25c59b5aee0fc916d27b4321f9afb8b8515039add39752f79ff1f5705bd721025fc25bd2e1c36390d708edb31454462cf
ripemd-160 3fa8160485f6735d9cf8c01d6602c61b51e79c96

31121018 as geometric shapes

Circle

Radius = n
Diameter 62242036
Circumference 195539123.04207
Area 3.0426882839483E+15

Sphere

Radius = n
Volume 1.2625540913752E+23
Surface area 1.2170753135793E+16
Circumference 195539123.04207

Square

Length = n
Perimeter 124484072
Area 968517761356324
Diagonal 44011765.730457

Cube

Length = n
Surface area 5811106568137944
Volume 3.014125868449E+22
Space diagonal 53903184.359266

Equilateral Triangle

Length = n
Perimeter 93363054
Area 4.1938049267551E+14
Altitude 26951592.179633

Triangular Pyramid

Length = n
Surface area 4.1938049267551E+14
Volume 3.5521814015501E+21
Height 14670588.576819