21000451 (number)

21000451 is an odd 8-digits composite number following 21000450 and preceding 21000452. In scientific notation, it is written as 2.1000451 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 20597640 positive integers (up to 21000451) that are relatively prime to 21000451.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-one

Notation

Scientific notation 2.1000451 × 10^7
Engineering notation 2.1000451 × 10^6

Prime Factorization of 21000451

Prime Factorization 71 × 1303 × 227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000451
Product of the distinct prime numbers

The prime factorization of 21000451 is 71 × 1303 × 227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000451)

Multiplication

n×y
n×2 42000902
n×3 63001353
n×4 84001804
n×5 105002255

Division

n÷y
n÷2 10500225.5
n÷3 7000150.3333333
n÷3 5250112.75
n÷5 4200090.2

Exponentiation

ny
n2 441018942203401
n3 9.2615966858144E+21
n4 1.9449770738221E+29
n5 4.0845395734924E+36

Nth Root

y√n
2√n 4582.6249028259
3√n 275.89439266334
4√n 67.695087730395
5√n 29.137059734758

Divisors of 21000451

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000450
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000451 can be divided by 8 positive divisors. The sum of these divisors (counting 21000451) is 1, the average is 0.125.

Base conversion 21000451

Base System Value
2 Binary 1010000000111000100000011
3 Ternary 1110111221012111
4 Quaternary 1100013010003
5 Quinary 20334003301
6 Senary 2030040151
8 Octal 120070403
10 Decimal 21000451
12 Duodecimal 7049057
16 Hexadecimal 1407103
20 Vigesimal 6b512b
36 Base36 ci41v

Cryptographic Hash Functions

md5 f4b8945a684b430a1bac769249843d5d
sha1 7065c42c3e463da17dd666dc70c5ea2086678cf9
sha256 c1b1eefa1bc451cda3ba3658f60b6020201c7bfb6514af692571ab839fac64a3
sha512 9a42d87c6855f9601de3dc9d7428e592b3ce048f64d61cf327ef886e0551b92dbc31a8e8c901a020ad1d2dd26c0e5f8af4111f1123bbc9fc2fe8e3fd69549019
ripemd-160 66e0d2daed68e0e1ff9dfa48a1c94e3c96a55fd0

21000451 as geometric shapes

Circle

Radius = n
Diameter 42000902
Circumference 131949725.16734
Area 1.3855018689201E+15

Sphere

Radius = n
Volume 3.8794885478221E+22
Surface area 5.5420074756806E+15
Circumference 131949725.16734

Square

Length = n
Perimeter 84001804
Area 441018942203401
Diagonal 29699122.620152

Cube

Length = n
Surface area 2646113653220406
Volume 9.2615966858144E+21
Space diagonal 36373848.113861

Equilateral Triangle

Length = n
Perimeter 63001353
Area 1.9096680374914E+14
Altitude 18186924.05693

Triangular Pyramid

Length = n
Surface area 1.9096680374914E+14
Volume 1.091489636859E+21
Height 9899707.5400505