21045904 (number)

21045904 is an even 8-digits composite number following 21045903 and preceding 21045905. In scientific notation, it is written as 2.1045904 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors. There are 9502080 positive integers (up to 21045904) that are relatively prime to 21045904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1045904 × 10^7
Engineering notation 2.1045904 × 10^6

Prime Factorization of 21045904

Prime Factorization 2 × 2 × 2 × 2 × 11 × 197 × 607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2630738
Product of the distinct prime numbers

The prime factorization of 21045904 is 2 × 2 × 2 × 2 × 11 × 197 × 607. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 8, 10, 12, 319, 716, 1161, 7651, 20633, 35473, 322109, 552647, 6244082, 3316145, 66621796, 48963613, 294713848, 12280822, 2150558845, 9826381953

Basic calculations (n = 21045904)

Multiplication

n×y
n×2 42091808
n×3 63137712
n×4 84183616
n×5 105229520

Division

n÷y
n÷2 10522952
n÷3 7015301.3333333
n÷3 5261476
n÷5 4209180.8

Exponentiation

ny
n2 442930075177216
n3 9.3218638408925E+21
n4 1.9618705149649E+29
n5 4.1289338518383E+36

Nth Root

y√n
2√n 4587.5814979137
3√n 276.09329619183
4√n 67.731687546625
5√n 29.149661575438

Divisors of 21045904

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 607, 788, 1214, 1576, 2167, 2428, 3152, 4334, 4856, 6677, 8668, 9712, 13354, 17336, 26708, 34672, 53416, 106832, 119579, 239158, 478316, 956632, 1315369, 1913264, 2630738, 5261476, 10522952, 21045904

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21045903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21045904 can be divided by 40 positive divisors. The sum of these divisors (counting 21045904) is 1, the average is 0.025.

Base conversion 21045904

Base System Value
2 Binary 1010000010010001010010000
3 Ternary 1110121020112221
4 Quaternary 1100102022100
5 Quinary 20341432104
6 Senary 2031030424
8 Octal 120221220
10 Decimal 21045904
12 Duodecimal 706b414
16 Hexadecimal 1412290
20 Vigesimal 6baef4
36 Base36 cj34g

Cryptographic Hash Functions

md5 e5dc11dee0a2b17157b3c7b6ab32b66c
sha1 cff3a32e234024cec74a1ac53c1c6a4eaea23907
sha256 45d330afd2da8e20e8ce28f4df5cc0c020f05bab19fe27dac8640feaa8181c01
sha512 b0ec06135a13d41a0c21ef1b8c30c4dcc350b8948cbcead78b44d35a717c5886390f20f01da00c1b72f27ffb23a182ace8df56bb09c5d09ea43282a599afeab2
ripemd-160 a37c5bd7459312bc02e25f087e9852e0e8bea9ac

21045904 as geometric shapes

Circle

Radius = n
Diameter 42091808
Circumference 132235314.78911
Area 1.3915058702307E+15

Sphere

Radius = n
Volume 3.9047331947083E+22
Surface area 5.5660234809229E+15
Circumference 132235314.78911

Square

Length = n
Perimeter 84183616
Area 442930075177216
Diagonal 29763402.869202

Cube

Length = n
Surface area 2657580451063296
Volume 9.3218638408925E+21
Space diagonal 36452575.019217

Equilateral Triangle

Length = n
Perimeter 63137712
Area 1.9179434860181E+14
Altitude 18226287.509609

Triangular Pyramid

Length = n
Surface area 1.9179434860181E+14
Volume 1.0985921891988E+21
Height 9921134.2897341