21084840 (number)

21084840 is an even 8-digits composite number following 21084839 and preceding 21084841. In scientific notation, it is written as 2.1084840 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 4817664 positive integers (up to 21084840) that are relatively prime to 21084840.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand eight hundred forty

Notation

Scientific notation 2.1084840 × 10^7
Engineering notation 2.1084840 × 10^6

Prime Factorization of 21084840

Prime Factorization 2 × 2 × 2 × 27 × 5 × 7 × 2789

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5271210
Product of the distinct prime numbers

The prime factorization of 21084840 is 2 × 2 × 2 × 27 × 5 × 7 × 2789. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 9, 88, 80, 286, 342, 5697, 763, 4045, 70882, 95750, 477259, 7991159, 7907315, 23087761, 11714135, 888739670, 991523938, 3820739344, 1958235942

Basic calculations (n = 21084840)

Multiplication

n×y
n×2 42169680
n×3 63254520
n×4 84339360
n×5 105424200

Division

n÷y
n÷2 10542420
n÷3 7028280
n÷3 5271210
n÷5 4216968

Exponentiation

ny
n2 444570477825600
n3 9.3736973936763E+21
n4 1.9764290975408E+29
n5 4.1672691292993E+36

Nth Root

y√n
2√n 4591.8231673269
3√n 276.26345354652
4√n 67.762992608996
5√n 29.160439275957

Divisors of 21084840

1, 2, 4, 5, 7, 8, 10, 14, 20, 27, 28, 35, 40, 54, 56, 70, 108, 135, 140, 189, 216, 270, 280, 378, 540, 756, 945, 1080, 1512, 1890, 2789, 3780, 5578, 7560, 11156, 13945, 19523, 22312, 27890, 39046, 55780, 75303, 78092, 97615, 111560, 150606, 156184, 195230, 301212, 376515, 390460, 527121, 602424, 753030, 780920, 1054242, 1506060, 2108484, 2635605, 3012120, 4216968, 5271210, 10542420, 21084840

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084840 can be divided by 64 positive divisors. The sum of these divisors (counting 21084840) is 1, the average is 0.015625.

Base conversion 21084840

Base System Value
2 Binary 1010000011011101010101000
3 Ternary 1110200012222000
4 Quaternary 1100123222220
5 Quinary 20344203330
6 Senary 2031531000
8 Octal 120335250
10 Decimal 21084840
12 Duodecimal 7089a60
16 Hexadecimal 141baa8
20 Vigesimal 6bfc20
36 Base36 cjx60

Cryptographic Hash Functions

md5 c599aee7d3ec494097f68904cf8b34f3
sha1 7d4e0fdf07c1ea98a4c43d6cd6f9e6c5cd643fb5
sha256 34e030a70f317e2d2f2cdfc645074944504f910ac16fb531c1e8940e4b0c1e95
sha512 b42faadce6f58ffccb0f609aaee4d8c9dc7780922a611d10beee3cfe386ee85fc788ab9a22ec9a09cd3e0ed5777273069fafeba8cb67701afbbecf4df6991a6a
ripemd-160 734f5ff34ff1694c6b891a72aa0af3c92e08c8c1

21084840 as geometric shapes

Circle

Radius = n
Diameter 42169680
Circumference 132479956.89223
Area 1.3966593471398E+15

Sphere

Radius = n
Volume 3.9264451825263E+22
Surface area 5.5866373885592E+15
Circumference 132479956.89223

Square

Length = n
Perimeter 84339360
Area 444570477825600
Diagonal 29818466.688467

Cube

Length = n
Surface area 2667422866953600
Volume 9.3736973936763E+21
Space diagonal 36520014.149461

Equilateral Triangle

Length = n
Perimeter 63254520
Area 1.9250466378478E+14
Altitude 18260007.07473

Triangular Pyramid

Length = n
Surface area 1.9250466378478E+14
Volume 1.1047008319765E+21
Height 9939488.8961556