21243857 (number)

21243857 is an odd 8-digits prime number following 21243856 and preceding 21243858. In scientific notation, it is written as 2.1243857 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21243856 positive integers (up to 21243857) that are relatively prime to 21243857.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand eight hundred fifty-seven

Notation

Scientific notation 2.1243857 × 10^7
Engineering notation 2.1243857 × 10^6

Prime Factorization of 21243857

Prime Factorization 21243857

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21243857
Product of the distinct prime numbers

The prime factorization of 21243857 is 21243857. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 2, 4, 1, 815, 545, 9387, 1496, 7401, 1319, 193789, 444644, 1414340, 2329130, 49789941, 24257340, 676021305, 230793756, 9819966841, 591965476

Basic calculations (n = 21243857)

Multiplication

n×y
n×2 42487714
n×3 63731571
n×4 84975428
n×5 106219285

Division

n÷y
n÷2 10621928.5
n÷3 7081285.6666667
n÷3 5310964.25
n÷5 4248771.4

Exponentiation

ny
n2 451301460236449
n3 9.5873836851543E+21
n4 2.0367300801155E+29
n5 4.3268002569572E+36

Nth Root

y√n
2√n 4609.1058785843
3√n 276.95621997469
4√n 67.890396070315
5√n 29.204291446979

Divisors of 21243857

1, 21243857

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21243858
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10621929
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4609.1059870652
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999058551
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243857 can be divided by 2 positive divisors. The sum of these divisors (counting 21243857) is 21243858, the average is 10621929.

Base conversion 21243857

Base System Value
2 Binary 1010001000010011111010001
3 Ternary 1110222022002112
4 Quaternary 1101002133101
5 Quinary 20414300412
6 Senary 2035155105
8 Octal 121023721
10 Decimal 21243857
12 Duodecimal 7145a95
16 Hexadecimal 14427d1
20 Vigesimal 6cf9ch
36 Base36 cnbv5

Cryptographic Hash Functions

md5 f01060925378c2622765d829537e1422
sha1 26a9ef9cfb4707edc586f4e91e1d334a3246ca60
sha256 1df1487c78cc807d0479656e05d605ec5f9bd6f9c44c34d9fe63133d639c8c84
sha512 1de4a727884b2fc5c2593d30d456b536fe8bff5bd4a05bf6a041073a2d5502d171a3f7b8bcc80e60a57bc7febb088f2df4e1eba75b31ade7c1bfb9007d15dd7e
ripemd-160 9e510c2b4f6f82ebe9888a5944ec7587a297c9c4

21243857 as geometric shapes

Circle

Radius = n
Diameter 42487714
Circumference 133479090.17022
Area 1.4178053520332E+15

Sphere

Radius = n
Volume 4.0159538869903E+22
Surface area 5.6712214081327E+15
Circumference 133479090.17022

Square

Length = n
Perimeter 84975428
Area 451301460236449
Diagonal 30043350.686515

Cube

Length = n
Surface area 2707808761418694
Volume 9.5873836851543E+21
Space diagonal 36795439.672728

Equilateral Triangle

Length = n
Perimeter 63731571
Area 1.9541926466489E+14
Altitude 18397719.836364

Triangular Pyramid

Length = n
Surface area 1.9541926466489E+14
Volume 1.129884002935E+21
Height 10014450.228838