21252018 (number)

21252018 is an even 8-digits composite number following 21252017 and preceding 21252019. In scientific notation, it is written as 2.1252018 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 7073136 positive integers (up to 21252018) that are relatively prime to 21252018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1252018 × 10^7
Engineering notation 2.1252018 × 10^6

Prime Factorization of 21252018

Prime Factorization 2 × 3 × 757 × 4679

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21252018
Product of the distinct prime numbers

The prime factorization of 21252018 is 2 × 3 × 757 × 4679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 73, 81, 75, 686, 9717, 9772, 84033, 14785, 842719, 277827, 9255928, 5498215, 17659345, 85986522, 977838621, 209005847, 7830276668, 1467630020

Basic calculations (n = 21252018)

Multiplication

n×y
n×2 42504036
n×3 63756054
n×4 85008072
n×5 106260090

Division

n÷y
n÷2 10626009
n÷3 7084006
n÷3 5313004.5
n÷5 4250403.6

Exponentiation

ny
n2 451648269072324
n3 9.5984371439939E+21
n4 2.0398615895603E+29
n5 4.3351175218843E+36

Nth Root

y√n
2√n 4609.9911062821
3√n 276.99168042714
4√n 67.896915292833
5√n 29.206534915361

Divisors of 21252018

1, 2, 3, 6, 757, 1514, 2271, 4542, 4679, 9358, 14037, 28074, 3542003, 7084006, 10626009, 21252018

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21252017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21252018 can be divided by 16 positive divisors. The sum of these divisors (counting 21252018) is 1, the average is 0.0625.

Base conversion 21252018

Base System Value
2 Binary 1010001000100011110110010
3 Ternary 1110222201021210
4 Quaternary 1101010132302
5 Quinary 20420031033
6 Senary 2035300550
8 Octal 121043662
10 Decimal 21252018
12 Duodecimal 714a756
16 Hexadecimal 14447b2
20 Vigesimal 6cga0i
36 Base36 cni5u

Cryptographic Hash Functions

md5 53b4d329391e95b3a712dbd0b2b66316
sha1 403255b1875092c600069880438efe510cca0a3c
sha256 478af91f0ee3bf81961ce4472dfa49afdef6456a05fddae7adcd6535fdc8cf84
sha512 ed0e23452c1d54f14efe8c6e1b027ec2f87ab89c0360ef651ae8db634cefde058945d212f49a576dd5d62dbcd30f8fa6706171a93c234e507ec7ebbbc24dae92
ripemd-160 5d12e54a671321099e0a4fcc86f6aab322660d04

21252018 as geometric shapes

Circle

Radius = n
Diameter 42504036
Circumference 133530367.24552
Area 1.4188948841242E+15

Sphere

Radius = n
Volume 4.0205839490019E+22
Surface area 5.6755795364966E+15
Circumference 133530367.24552

Square

Length = n
Perimeter 85008072
Area 451648269072324
Diagonal 30054892.083397

Cube

Length = n
Surface area 2709889614433944
Volume 9.5984371439939E+21
Space diagonal 36809574.939368

Equilateral Triangle

Length = n
Perimeter 63756054
Area 1.9556943729595E+14
Altitude 18404787.469684

Triangular Pyramid

Length = n
Surface area 1.9556943729595E+14
Volume 1.1311866655518E+21
Height 10018297.361132