21243847 (number)

21243847 is an odd 8-digits composite number following 21243846 and preceding 21243848. In scientific notation, it is written as 2.1243847 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21136896 positive integers (up to 21243847) that are relatively prime to 21243847.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1243847 × 10^7
Engineering notation 2.1243847 × 10^6

Prime Factorization of 21243847

Prime Factorization 199 × 106753

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21243847
Product of the distinct prime numbers

The prime factorization of 21243847 is 199 × 106753. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243847)

Multiplication

n×y
n×2 42487694
n×3 63731541
n×4 84975388
n×5 106219235

Division

n÷y
n÷2 10621923.5
n÷3 7081282.3333333
n÷3 5310961.75
n÷5 4248769.4

Exponentiation

ny
n2 451301035359409
n3 9.5873701461169E+21
n4 2.0367262451647E+29
n5 4.3267900733164E+36

Nth Root

y√n
2√n 4609.104793775
3√n 276.95617651801
4√n 67.890388080899
5√n 29.204288697544

Divisors of 21243847

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243846
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243847 can be divided by 4 positive divisors. The sum of these divisors (counting 21243847) is 1, the average is 0.25.

Base conversion 21243847

Base System Value
2 Binary 1010001000010011111000111
3 Ternary 1110222022002011
4 Quaternary 1101002133013
5 Quinary 20414300342
6 Senary 2035155051
8 Octal 121023707
10 Decimal 21243847
12 Duodecimal 7145a87
16 Hexadecimal 14427c7
20 Vigesimal 6cf9c7
36 Base36 cnbuv

Cryptographic Hash Functions

md5 2cdc99462a004499b70466fdae2f18c9
sha1 cff3f05c481b1e19c8f0fc078dd0edbe4d6a5766
sha256 130370e02f6a5c7e07881855ce29ba1c52b3c70136e610cd9ec52c215b045f0f
sha512 14579b3c0e45173e2b1954cc88a464364941276dbc2b05695f567ea62e2c6c036f8053879095c1fb9630e42a7570ae4e7b4dbc0f43fd0aefb90cc69e81312324
ripemd-160 d222955b4f77abe586f20977ba813447463e113f

21243847 as geometric shapes

Circle

Radius = n
Diameter 42487694
Circumference 133479027.33837
Area 1.4178040172426E+15

Sphere

Radius = n
Volume 4.0159482157716E+22
Surface area 5.6712160689703E+15
Circumference 133479027.33837

Square

Length = n
Perimeter 84975388
Area 451301035359409
Diagonal 30043336.544379

Cube

Length = n
Surface area 2707806212156454
Volume 9.5873701461169E+21
Space diagonal 36795422.35222

Equilateral Triangle

Length = n
Perimeter 63731541
Area 1.9541908068773E+14
Altitude 18397711.17611

Triangular Pyramid

Length = n
Surface area 1.9541908068773E+14
Volume 1.1298824073441E+21
Height 10014445.514793