21331618 (number)

21331618 is an even 8-digits composite number following 21331617 and preceding 21331619. In scientific notation, it is written as 2.1331618 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8310960 positive integers (up to 21331618) that are relatively prime to 21331618.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1331618 × 10^7
Engineering notation 2.1331618 × 10^6

Prime Factorization of 21331618

Prime Factorization 2 × 7 × 11 × 138517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21331618
Product of the distinct prime numbers

The prime factorization of 21331618 is 2 × 7 × 11 × 138517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 10, 78, 603, 805, 4275, 6272, 92198, 38952, 485048, 63771, 3330059, 2578774, 42233799, 77989575, 92798806, 367132471, 7077937325, 605713778

Basic calculations (n = 21331618)

Multiplication

n×y
n×2 42663236
n×3 63994854
n×4 85326472
n×5 106658090

Division

n÷y
n÷2 10665809
n÷3 7110539.3333333
n÷3 5332904.5
n÷5 4266323.6

Exponentiation

ny
n2 455037926497924
n3 9.7066952235658E+21
n4 2.0705951455153E+29
n5 4.4169144676787E+36

Nth Root

y√n
2√n 4618.6164595039
3√n 277.33707613035
4√n 67.960403614928
5√n 29.22838098086

Divisors of 21331618

1, 2, 7, 11, 14, 22, 77, 154, 138517, 277034, 969619, 1523687, 1939238, 3047374, 10665809, 21331618

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 -21331617
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 21331618 can be divided by 16 positive divisors. The sum of these divisors (counting 21331618) is 1, the average is 0.0625.

Base conversion 21331618

Base System Value
2 Binary 1010001010111111010100010
3 Ternary 1111010202110221
4 Quaternary 1101113322202
5 Quinary 20430102433
6 Senary 2041113254
8 Octal 121277242
10 Decimal 21331618
12 Duodecimal 718882a
16 Hexadecimal 1457ea2
20 Vigesimal 6d690i
36 Base36 cp7ky

Cryptographic Hash Functions

md5 eaafb276865e0a1959e31549a1fccb27
sha1 01f0d2070cc1df28c56f299c2afa7cc781c4b509
sha256 ce736d7ed37b71ef3b46c42497576eded4bba368bf4b255f46888a488dece142
sha512 de5badbefb2ce92357e0ec983d0870c0de697ac67ba9a923b427b80a1ab49e68180e4757f2dc04f0542a2669846d747d58b7a57b3387ce6ea5d5a1380a42b1fa
ripemd-160 6eb34fc2f7af993ce6ad8662076d284b610d76f2

21331618 as geometric shapes

Circle

Radius = n
Diameter 42663236
Circumference 134030508.79597
Area 1.4295438069906E+15

Sphere

Radius = n
Volume 4.0659309873319E+22
Surface area 5.7181752279624E+15
Circumference 134030508.79597

Square

Length = n
Perimeter 85326472
Area 455037926497924
Diagonal 30167463.482962

Cube

Length = n
Surface area 2730227558987544
Volume 9.7066952235658E+21
Space diagonal 36947446.183651

Equilateral Triangle

Length = n
Perimeter 63994854
Area 1.970372020163E+14
Altitude 18473723.091825

Triangular Pyramid

Length = n
Surface area 1.970372020163E+14
Volume 1.1439450025824E+21
Height 10055821.160987