21029904 (number)

21029904 is an even 8-digits composite number following 21029903 and preceding 21029905. In scientific notation, it is written as 2.1029904 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 5806080 positive integers (up to 21029904) that are relatively prime to 21029904.

Interesting facts

Basic properties

Name

Name twenty-one million twenty-nine thousand nine hundred four

Notation

Scientific notation 2.1029904 × 10^7
Engineering notation 2.1029904 × 10^6

Prime Factorization of 21029904

Prime Factorization 2 × 2 × 2 × 2 × 9 × 7 × 31 × 673

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2628738
Product of the distinct prime numbers

The prime factorization of 21029904 is 2 × 2 × 2 × 2 × 9 × 7 × 31 × 673. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21029904)

Multiplication

n×y
n×2 42059808
n×3 63089712
n×4 84119616
n×5 105149520

Division

n÷y
n÷2 10514952
n÷3 7009968
n÷3 5257476
n÷5 4205980.8

Exponentiation

ny
n2 442256862249216
n3 9.3006193564422E+21
n4 1.9559113220652E+29
n5 4.1132627335545E+36

Nth Root

y√n
2√n 4585.8373281223
3√n 276.02331246059
4√n 67.718810740608
5√n 29.145228062112

Divisors of 21029904

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21029903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21029904 can be divided by 80 positive divisors. The sum of these divisors (counting 21029904) is 1, the average is 0.0125.

Base conversion 21029904

Base System Value
2 Binary 1010000001110010000010000
3 Ternary 1110120102121100
4 Quaternary 1100032100100
5 Quinary 20340424104
6 Senary 2030424400
8 Octal 120162020
10 Decimal 21029904
12 Duodecimal 7062100
16 Hexadecimal 140e410
20 Vigesimal 6b8ef4
36 Base36 ciqs0

Cryptographic Hash Functions

md5 33ab7b88419b071b6d805900e718ffdc
sha1 b782b1d1452577201dc47e9c2c25b06c00240155
sha256 b24da594ec513dd3e7e7ba9fbe0195a4e40b7df4b3b0175c7cbfe2d5292b6c8a
sha512 db6a554d27dc0c01b8889938dd39ed0e60e175dee90c548e6e0b71ac7c80abcaf403dbf02f5c0d144d142a534f6a1af68c9a1841ed12f4c9caf7b49776237bc0
ripemd-160 422a004c4fc338b8ce4c2f69b647865478ceab47

21029904 as geometric shapes

Circle

Radius = n
Diameter 42059808
Circumference 132134783.8242
Area 1.3893909094418E+15

Sphere

Radius = n
Volume 3.8958343258712E+22
Surface area 5.5575636377672E+15
Circumference 132134783.8242

Square

Length = n
Perimeter 84119616
Area 442256862249216
Diagonal 29740775.452204

Cube

Length = n
Surface area 2653541173495296
Volume 9.3006193564422E+21
Space diagonal 36424862.206296

Equilateral Triangle

Length = n
Perimeter 63089712
Area 1.9150283885291E+14
Altitude 18212431.103148

Triangular Pyramid

Length = n
Surface area 1.9150283885291E+14
Volume 1.0960885026959E+21
Height 9913591.8174014