21000394 (number)

21000394 is an even 8-digits composite number following 21000393 and preceding 21000395. In scientific notation, it is written as 2.1000394 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 10476960 positive integers (up to 21000394) that are relatively prime to 21000394.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred ninety-four

Notation

Scientific notation 2.1000394 × 10^7
Engineering notation 2.1000394 × 10^6

Prime Factorization of 21000394

Prime Factorization 2 × 461 × 22777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000394
Product of the distinct prime numbers

The prime factorization of 21000394 is 2 × 461 × 22777. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000394)

Multiplication

n×y
n×2 42000788
n×3 63001182
n×4 84001576
n×5 105001970

Division

n÷y
n÷2 10500197
n÷3 7000131.3333333
n÷3 5250098.5
n÷5 4200078.8

Exponentiation

ny
n2 441016548155236
n3 9.2615212717799E+21
n4 1.9449559574676E+29
n5 4.0844841419467E+36

Nth Root

y√n
2√n 4582.6186836786
3√n 275.89414304974
4√n 67.695041795382
5√n 29.13704391782

Divisors of 21000394

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 -21000393
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 21000394 can be divided by 8 positive divisors. The sum of these divisors (counting 21000394) is 1, the average is 0.125.

Base conversion 21000394

Base System Value
2 Binary 1010000000111000011001010
3 Ternary 1110111221010101
4 Quaternary 1100013003022
5 Quinary 20334003034
6 Senary 2030040014
8 Octal 120070312
10 Decimal 21000394
12 Duodecimal 704900a
16 Hexadecimal 14070ca
20 Vigesimal 6b50je
36 Base36 ci40a

Cryptographic Hash Functions

md5 0a87b896a0d982e732491cfe7040fe0d
sha1 71a0aaea432f55dee50a7d2ac6caac006b97db06
sha256 5249c7a6dfa8cdce4057b3485b8f14541f1b013b8b5650f1e05f6293b6450c19
sha512 a58b104de019ea0e289840352cfc4bc3bbf44a7cc5a37e81f7790c00f258f0545c9e31b62c604961ad22b763e929fe8536d8b22807cd9be76b0834e054365857
ripemd-160 78256e228122a5466a55c232a55e82fa2734dbf0

21000394 as geometric shapes

Circle

Radius = n
Diameter 42000788
Circumference 131949367.02578
Area 1.385494347796E+15

Sphere

Radius = n
Volume 3.8794569584653E+22
Surface area 5.5419773911841E+15
Circumference 131949367.02578

Square

Length = n
Perimeter 84001576
Area 441016548155236
Diagonal 29699042.009979

Cube

Length = n
Surface area 2646099288931416
Volume 9.2615212717799E+21
Space diagonal 36373749.386965

Equilateral Triangle

Length = n
Perimeter 63001182
Area 1.9096576709588E+14
Altitude 18186874.693482

Triangular Pyramid

Length = n
Surface area 1.9096576709588E+14
Volume 1.0914807492298E+21
Height 9899680.6699929