21000858 (number)

21000858 is an even 8-digits composite number following 21000857 and preceding 21000859. In scientific notation, it is written as 2.1000858 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6983600 positive integers (up to 21000858) that are relatively prime to 21000858.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred fifty-eight

Notation

Scientific notation 2.1000858 × 10^7
Engineering notation 2.1000858 × 10^6

Prime Factorization of 21000858

Prime Factorization 2 × 3 × 443 × 7901

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000858
Product of the distinct prime numbers

The prime factorization of 21000858 is 2 × 3 × 443 × 7901. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000858)

Multiplication

n×y
n×2 42001716
n×3 63002574
n×4 84003432
n×5 105004290

Division

n÷y
n÷2 10500429
n÷3 7000286
n÷3 5250214.5
n÷5 4200171.6

Exponentiation

ny
n2 441036036736164
n3 9.262135180379E+21
n4 1.9451278569994E+29
n5 4.0849353916689E+36

Nth Root

y√n
2√n 4582.6693094746
3√n 275.89617497891
4√n 67.695415719785
5√n 29.137172672251

Divisors of 21000858

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000857
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000858 can be divided by 16 positive divisors. The sum of these divisors (counting 21000858) is 1, the average is 0.0625.

Base conversion 21000858

Base System Value
2 Binary 1010000000111001010011010
3 Ternary 1110111221202120
4 Quaternary 1100013022122
5 Quinary 20334011413
6 Senary 2030042110
8 Octal 120071232
10 Decimal 21000858
12 Duodecimal 7049336
16 Hexadecimal 140729a
20 Vigesimal 6b522i
36 Base36 ci4d6

Cryptographic Hash Functions

md5 edcf2631ea34750b8e46dc7fdb83b0e7
sha1 b6a06182dc09928ca1eef8d87b4d586ed64a5421
sha256 3d98d68ffe47c252f55abc79ccb661bd50c1e845663e04ac27548dea265b26c5
sha512 8d3e597ba017b1e5004ba1cb53ec493e14f7fa242014a70764671c8855b249a26e86ad84f5b6af71c244617ca67c58a09bc5231ed7e80e311c84f28731ada3f7
ripemd-160 d7ab25ddc427cd220fb71334462f316c0b211adb

21000858 as geometric shapes

Circle

Radius = n
Diameter 42001716
Circumference 131952282.42376
Area 1.3855555729787E+15

Sphere

Radius = n
Volume 3.8797141118979E+22
Surface area 5.5422222919148E+15
Circumference 131952282.42376

Square

Length = n
Perimeter 84003432
Area 441036036736164
Diagonal 29699698.205072

Cube

Length = n
Surface area 2646216220416984
Volume 9.262135180379E+21
Space diagonal 36374553.058539

Equilateral Triangle

Length = n
Perimeter 63002574
Area 1.9097420589896E+14
Altitude 18187276.52927

Triangular Pyramid

Length = n
Surface area 1.9097420589896E+14
Volume 1.0915530990521E+21
Height 9899899.4016905