21000817 (number)

21000817 is an odd 8-digits composite number following 21000816 and preceding 21000818. In scientific notation, it is written as 2.1000817 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19971600 positive integers (up to 21000817) that are relatively prime to 21000817.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred seventeen

Notation

Scientific notation 2.1000817 × 10^7
Engineering notation 2.1000817 × 10^6

Prime Factorization of 21000817

Prime Factorization 23 × 179 × 5101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000817
Product of the distinct prime numbers

The prime factorization of 21000817 is 23 × 179 × 5101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000817)

Multiplication

n×y
n×2 42001634
n×3 63002451
n×4 84003268
n×5 105004085

Division

n÷y
n÷2 10500408.5
n÷3 7000272.3333333
n÷3 5250204.25
n÷5 4200163.4

Exponentiation

ny
n2 441034314667489
n3 9.2620809330524E+21
n4 1.9451126671422E+29
n5 4.0848955167036E+36

Nth Root

y√n
2√n 4582.664836097
3√n 275.89599543465
4√n 67.695382679301
5√n 29.137161295334

Divisors of 21000817

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 -21000816
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 21000817 can be divided by 8 positive divisors. The sum of these divisors (counting 21000817) is 1, the average is 0.125.

Base conversion 21000817

Base System Value
2 Binary 1010000000111001001110001
3 Ternary 1110111221201001
4 Quaternary 1100013021301
5 Quinary 20334011232
6 Senary 2030042001
8 Octal 120071161
10 Decimal 21000817
12 Duodecimal 7049301
16 Hexadecimal 1407271
20 Vigesimal 6b520h
36 Base36 ci4c1

Cryptographic Hash Functions

md5 2164306d15993421e388c561cee9162b
sha1 0e7d7e6a62006e722c7c237876b67ffaaf148d1c
sha256 62731ab967a29fe556dafb3e62dbdac88939addae23c41ea40be99bd79d40b5c
sha512 2fc31180daadb7322ba7f0604dfdb22366f530ac4beea503981f329038fe19f75726f0af0f3eded9ca69e1dc797e6de3afe6d93ee03c133f328a816eef8f5349
ripemd-160 df94cc6cf584cbd50c81b56ba06d368607863b95

21000817 as geometric shapes

Circle

Radius = n
Diameter 42001634
Circumference 131952024.81317
Area 1.3855501629404E+15

Sphere

Radius = n
Volume 3.8796913888308E+22
Surface area 5.5422006517616E+15
Circumference 131952024.81317

Square

Length = n
Perimeter 84003268
Area 441034314667489
Diagonal 29699640.222315

Cube

Length = n
Surface area 2646205888004934
Volume 9.2620809330524E+21
Space diagonal 36374482.044456

Equilateral Triangle

Length = n
Perimeter 63002451
Area 1.9097346022135E+14
Altitude 18187241.022228

Triangular Pyramid

Length = n
Surface area 1.9097346022135E+14
Volume 1.0915467059433E+21
Height 9899880.0741052