21052018 (number)

21052018 is an even 8-digits composite number following 21052017 and preceding 21052019. In scientific notation, it is written as 2.1052018 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 9144576 positive integers (up to 21052018) that are relatively prime to 21052018.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-two thousand eighteen

Notation

Scientific notation 2.1052018 × 10^7
Engineering notation 2.1052018 × 10^6

Prime Factorization of 21052018

Prime Factorization 2 × 13 × 17 × 47629

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21052018
Product of the distinct prime numbers

The prime factorization of 21052018 is 2 × 13 × 17 × 47629. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 83, 34, 851, 596, 6512, 4803, 45286, 4060, 390462, 447995, 6970525, 9201569, 42115034, 18795062, 316616964, 742066512, 285162297, 4758013220

Basic calculations (n = 21052018)

Multiplication

n×y
n×2 42104036
n×3 63156054
n×4 84208072
n×5 105260090

Division

n÷y
n÷2 10526009
n÷3 7017339.3333333
n÷3 5263004.5
n÷5 4210403.6

Exponentiation

ny
n2 443187461872324
n3 9.3299904247105E+21
n4 1.9641512636083E+29
n5 4.1349347756205E+36

Nth Root

y√n
2√n 4588.2478137084
3√n 276.12002935849
4√n 67.736606157294
5√n 29.151355019679

Divisors of 21052018

1, 2, 13, 17, 26, 34, 221, 442, 47629, 95258, 619177, 809693, 1238354, 1619386, 10526009, 21052018

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 -21052017
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 21052018 can be divided by 16 positive divisors. The sum of these divisors (counting 21052018) is 1, the average is 0.0625.

Base conversion 21052018

Base System Value
2 Binary 1010000010011101001110010
3 Ternary 1110121112221101
4 Quaternary 1100103221302
5 Quinary 20342131033
6 Senary 2031115014
8 Octal 120235162
10 Decimal 21052018
12 Duodecimal 7072a6a
16 Hexadecimal 1413a72
20 Vigesimal 6bba0i
36 Base36 cj7ua

Cryptographic Hash Functions

md5 1ec1adf3079245bbd7908aa761c7dc2b
sha1 54b8d8ccb5c125198dcf34d41c964392948082e9
sha256 4d48dc722c8d2a3feb52ea73047fe1f5d65494dcf87b056b9f8c1154840e4b52
sha512 713b4d449cf1320c21421e641a680909167904a5ba953c31796ea01db869ef01451bd8d583074b68a25750b8c40cb4008205592c28a2592233f4dd62508c01fb
ripemd-160 9345df481bb210a3f726d5e22c90d0dc3c506d69

21052018 as geometric shapes

Circle

Radius = n
Diameter 42104036
Circumference 132273730.18408
Area 1.3923144743812E+15

Sphere

Radius = n
Volume 3.9081372501778E+22
Surface area 5.5692578975248E+15
Circumference 132273730.18408

Square

Length = n
Perimeter 84208072
Area 443187461872324
Diagonal 29772049.370923

Cube

Length = n
Surface area 2659124771233944
Volume 9.3299904247105E+21
Space diagonal 36463164.777855

Equilateral Triangle

Length = n
Perimeter 63156054
Area 1.9190580031009E+14
Altitude 18231582.388927

Triangular Pyramid

Length = n
Surface area 1.9190580031009E+14
Volume 1.0995499162864E+21
Height 9924016.4569742