21002018 (number)

21002018 is an even 8-digits composite number following 21002017 and preceding 21002019. In scientific notation, it is written as 2.1002018 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 10501008 positive integers (up to 21002018) that are relatively prime to 21002018.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand eighteen

Notation

Scientific notation 2.1002018 × 10^7
Engineering notation 2.1002018 × 10^6

Prime Factorization of 21002018

Prime Factorization 2 × 10501009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21002018
Product of the distinct prime numbers

The prime factorization of 21002018 is 2 × 10501009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21002018)

Multiplication

n×y
n×2 42004036
n×3 63006054
n×4 84008072
n×5 105010090

Division

n÷y
n÷2 10501009
n÷3 7000672.6666667
n÷3 5250504.5
n÷5 4200403.6

Exponentiation

ny
n2 441084760072324
n3 9.2636700705646E+21
n4 1.9455576556806E+29
n5 4.0860636904642E+36

Nth Root

y√n
2√n 4582.7958715177
3√n 275.90125467091
4√n 67.696350503685
5√n 29.137494548372

Divisors of 21002018

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 -21002017
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 21002018 can be divided by 4 positive divisors. The sum of these divisors (counting 21002018) is 1, the average is 0.25.

Base conversion 21002018

Base System Value
2 Binary 1010000000111011100100010
3 Ternary 1110112000100112
4 Quaternary 1100013130202
5 Quinary 20334031033
6 Senary 2030051322
8 Octal 120073442
10 Decimal 21002018
12 Duodecimal 7049b42
16 Hexadecimal 1407722
20 Vigesimal 6b550i
36 Base36 ci59e

Cryptographic Hash Functions

md5 61e308989ac505443ea97baa523d4d8c
sha1 3e506c88071df3e71dd9decba130e59fa333acd2
sha256 9002608664cf91e9f85d95817cad8d986acd5bd6e3aecbadf6f6fd6a0e9ead28
sha512 ceb0711e7af2f12e9bfcdc008509618f8bcdab7d68e4ff6d94aeba810a8cfff562c2cdcf5d694e08eac14c940e0fffce27e3014efc893fc158482306a8d4ed22
ripemd-160 c1544f068445993412cf7e33ed337a2eecfa49f4

21002018 as geometric shapes

Circle

Radius = n
Diameter 42004036
Circumference 131959570.91872
Area 1.3857086418536E+15

Sphere

Radius = n
Volume 3.8803570451954E+22
Surface area 5.5428345674145E+15
Circumference 131959570.91872

Square

Length = n
Perimeter 84008072
Area 441084760072324
Diagonal 29701338.692804

Cube

Length = n
Surface area 2646508560433944
Volume 9.2636700705646E+21
Space diagonal 36376562.237476

Equilateral Triangle

Length = n
Perimeter 63006054
Area 1.909953037224E+14
Altitude 18188281.118738

Triangular Pyramid

Length = n
Surface area 1.909953037224E+14
Volume 1.0917339875952E+21
Height 9900446.2309346