21122018 (number)

21122018 is an even 8-digits composite number following 21122017 and preceding 21122019. In scientific notation, it is written as 2.1122018 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 10403316 positive integers (up to 21122018) that are relatively prime to 21122018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1122018 × 10^7
Engineering notation 2.1122018 × 10^6

Prime Factorization of 21122018

Prime Factorization 2 × 67 × 157627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21122018
Product of the distinct prime numbers

The prime factorization of 21122018 is 2 × 67 × 157627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21122018)

Multiplication

n×y
n×2 42244036
n×3 63366054
n×4 84488072
n×5 105610090

Division

n÷y
n÷2 10561009
n÷3 7040672.6666667
n÷3 5280504.5
n÷5 4224403.6

Exponentiation

ny
n2 446139644392324
n3 9.4233695993683E+21
n4 1.9904058229851E+29
n5 4.2041387620396E+36

Nth Root

y√n
2√n 4595.8696674297
3√n 276.42573272946
4√n 67.79284377742
5√n 29.170715502682

Divisors of 21122018

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 -21122017
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 21122018 can be divided by 8 positive divisors. The sum of these divisors (counting 21122018) is 1, the average is 0.125.

Base conversion 21122018

Base System Value
2 Binary 1010000100100101111100010
3 Ternary 1110202002221222
4 Quaternary 1100210233202
5 Quinary 20401401033
6 Senary 2032415042
8 Octal 120445742
10 Decimal 21122018
12 Duodecimal 70a7482
16 Hexadecimal 1424be2
20 Vigesimal 6c050i
36 Base36 ckpuq

Cryptographic Hash Functions

md5 8652c5db8dbb89d5f789230c1dbfa90c
sha1 03222dd1177394be34c521d52bd551a56cd70c98
sha256 d5570c990f4735bb8aa66c34c35fd6d39be91b129e82b2bccea325dfc10df625
sha512 2a8c36a259c2ac9c9a77bb71a1620b2393a4a5885d921794a99971a9a9263123e76ff9f85b2ab0238eaa555860c6a22fe266a94b52c8740cb5038b8173e2fc72
ripemd-160 f82b5febc59d065db78033bee8a1ab36463dd944

21122018 as geometric shapes

Circle

Radius = n
Diameter 42244036
Circumference 132713553.15558
Area 1.4015890292981E+15

Sphere

Radius = n
Volume 3.9472518273916E+22
Surface area 5.6063561171924E+15
Circumference 132713553.15558

Square

Length = n
Perimeter 84488072
Area 446139644392324
Diagonal 29871044.320289

Cube

Length = n
Surface area 2676837866353944
Volume 9.4233695993683E+21
Space diagonal 36584408.334384

Equilateral Triangle

Length = n
Perimeter 63366054
Area 1.9318413283955E+14
Altitude 18292204.167192

Triangular Pyramid

Length = n
Surface area 1.9318413283955E+14
Volume 1.1105547575567E+21
Height 9957014.7734295