21231618 (number)

21231618 is an even 8-digits composite number following 21231617 and preceding 21231619. In scientific notation, it is written as 2.1231618 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 7047360 positive integers (up to 21231618) that are relatively prime to 21231618.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand six hundred eighteen

Notation

Scientific notation 2.1231618 × 10^7
Engineering notation 2.1231618 × 10^6

Prime Factorization of 21231618

Prime Factorization 2 × 3 × 241 × 14683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21231618
Product of the distinct prime numbers

The prime factorization of 21231618 is 2 × 3 × 241 × 14683. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231618)

Multiplication

n×y
n×2 42463236
n×3 63694854
n×4 84926472
n×5 106158090

Division

n÷y
n÷2 10615809
n÷3 7077206
n÷3 5307904.5
n÷5 4246323.6

Exponentiation

ny
n2 450781602897924
n3 9.5708227941564E+21
n4 2.0320405351122E+29
n5 4.3143508402018E+36

Nth Root

y√n
2√n 4607.7779894435
3√n 276.90302313233
4√n 67.880615712024
5√n 29.200925638964

Divisors of 21231618

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 -21231617
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 21231618 can be divided by 16 positive divisors. The sum of these divisors (counting 21231618) is 1, the average is 0.0625.

Base conversion 21231618

Base System Value
2 Binary 1010000111111100000000010
3 Ternary 1110221200022020
4 Quaternary 1100333200002
5 Quinary 20413402433
6 Senary 2035022310
8 Octal 120774002
10 Decimal 21231618
12 Duodecimal 713a996
16 Hexadecimal 143f802
20 Vigesimal 6cdj0i
36 Base36 cn2f6

Cryptographic Hash Functions

md5 2e39bc4e69df61f49df5fc3be20d931a
sha1 323cc117905637695a59a7c7df871c06de2e100c
sha256 7c92e7804eb7f505bbf999ec56874b0d27476f61d8e957c7b6832a8926ccb8f0
sha512 af8a1e292f7d1771a910728f81b125355e61d079d2af10ef76e0f050a173b6644e10ac3bd8718a2cb18ae4289e2af5da9e391ff6ac5e867b6e6b00fc724c5c90
ripemd-160 e68e366ba781511b840eec3fc5d7dcc9fa24dbaf

21231618 as geometric shapes

Circle

Radius = n
Diameter 42463236
Circumference 133402190.26525
Area 1.4161721720375E+15

Sphere

Radius = n
Volume 4.0090168771909E+22
Surface area 5.6646886881502E+15
Circumference 133402190.26525

Square

Length = n
Perimeter 84926472
Area 450781602897924
Diagonal 30026042.126725

Cube

Length = n
Surface area 2704689617387544
Volume 9.5708227941564E+21
Space diagonal 36774241.102894

Equilateral Triangle

Length = n
Perimeter 63694854
Area 1.9519415983414E+14
Altitude 18387120.551447

Triangular Pyramid

Length = n
Surface area 1.9519415983414E+14
Volume 1.1279322832138E+21
Height 10008680.708908