21046809 (number)

21046809 is an odd 8-digits composite number following 21046808 and preceding 21046810. In scientific notation, it is written as 2.1046809 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11890560 positive integers (up to 21046809) that are relatively prime to 21046809.

Interesting facts

Basic properties

Name

Name twenty-one million forty-six thousand eight hundred nine

Notation

Scientific notation 2.1046809 × 10^7
Engineering notation 2.1046809 × 10^6

Prime Factorization of 21046809

Prime Factorization 7 × 267 × 11261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21046809
Product of the distinct prime numbers

The prime factorization of 21046809 is 7 × 267 × 11261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21046809)

Multiplication

n×y
n×2 42093618
n×3 63140427
n×4 84187236
n×5 105234045

Division

n÷y
n÷2 10523404.5
n÷3 7015603
n÷3 5261702.25
n÷5 4209361.8

Exponentiation

ny
n2 442968169082481
n3 9.3230664477587E+21
n4 1.9622079882029E+29
n5 4.129821674598E+36

Nth Root

y√n
2√n 4587.6801327032
3√n 276.09725358661
4√n 67.732415671547
5√n 29.149912265454

Divisors of 21046809

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 -21046808
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 21046809 can be divided by 8 positive divisors. The sum of these divisors (counting 21046809) is 1, the average is 0.125.

Base conversion 21046809

Base System Value
2 Binary 1010000010010011000011001
3 Ternary 1110121021210110
4 Quaternary 1100102120121
5 Quinary 20341444214
6 Senary 2031034533
8 Octal 120223031
10 Decimal 21046809
12 Duodecimal 706ba49
16 Hexadecimal 1412619
20 Vigesimal 6bah09
36 Base36 cj3tl

Cryptographic Hash Functions

md5 ec07374d43c4b21cd0d88f77a9278245
sha1 7cac41a3e2a225df8c065cd1187a9590f086b293
sha256 dfb30da1545c5e9e10da42bf65a4f8bf605e15a32c23f9455c08dea45d69770d
sha512 be2189a4e62738ecd716700d1987724a676c1b30cc315d122e46254990bead8946139b845cc8a2c427f31c4adbc0c6f8461ef4e9aad3f5c1636c7554495cc568
ripemd-160 bc547cf0891e861d11480cec1e889e4ece3490ce

21046809 as geometric shapes

Circle

Radius = n
Diameter 42093618
Circumference 132241001.07182
Area 1.3916255457636E+15

Sphere

Radius = n
Volume 3.9052369414944E+22
Surface area 5.5665021830546E+15
Circumference 132241001.07182

Square

Length = n
Perimeter 84187236
Area 442968169082481
Diagonal 29764682.732476

Cube

Length = n
Surface area 2657809014494886
Volume 9.3230664477587E+21
Space diagonal 36454142.525198

Equilateral Triangle

Length = n
Perimeter 63140427
Area 1.9181084374665E+14
Altitude 18227071.262599

Triangular Pyramid

Length = n
Surface area 1.9181084374665E+14
Volume 1.0987339177772E+21
Height 9921560.9108254