21556938 (number)

21556938 is an even 8-digits composite number following 21556937 and preceding 21556939. In scientific notation, it is written as 2.1556938 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6632880 positive integers (up to 21556938) that are relatively prime to 21556938.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand nine hundred thirty-eight

Notation

Scientific notation 2.1556938 × 10^7
Engineering notation 2.1556938 × 10^6

Prime Factorization of 21556938

Prime Factorization 2 × 39 × 276371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21556938
Product of the distinct prime numbers

The prime factorization of 21556938 is 2 × 39 × 276371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556938)

Multiplication

n×y
n×2 43113876
n×3 64670814
n×4 86227752
n×5 107784690

Division

n÷y
n÷2 10778469
n÷3 7185646
n÷3 5389234.5
n÷5 4311387.6

Exponentiation

ny
n2 464701575935844
n3 1.0017543060951E+22
n4 2.1594755467726E+29
n5 4.6551680474292E+36

Nth Root

y√n
2√n 4642.9449705979
3√n 278.31013643276
4√n 68.139158863299
5√n 29.289868004662

Divisors of 21556938

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556938 can be divided by 8 positive divisors. The sum of these divisors (counting 21556938) is 1, the average is 0.125.

Base conversion 21556938

Base System Value
2 Binary 1010010001110111011001010
3 Ternary 1111120012120010
4 Quaternary 1102032323022
5 Quinary 21004310223
6 Senary 2050012350
8 Octal 122167312
10 Decimal 21556938
12 Duodecimal 72770b6
16 Hexadecimal 148eeca
20 Vigesimal 6eec6i
36 Base36 cu1fu

Cryptographic Hash Functions

md5 7c05157ed391d33996267eb9c33a89f1
sha1 1069590087b8deaa161cff484ff2475169aa67ae
sha256 a46cf4b1432057040a05f4e53f5bf306b6f27d4b3d778938cc4c12fea7171a9b
sha512 4541722654c707235cafc8190370a5de993dfcccc4c4fbe0dd9b76631c5792128482fe56c755fc4b5d36e8a4f2676545634af6e2a1e82b7f851075e4f1a68949
ripemd-160 767de2701a03cabcbe3544ffe70c38d8b6d1f1d1

21556938 as geometric shapes

Circle

Radius = n
Diameter 43113876
Circumference 135446236.10938
Area 1.4599030570716E+15

Sphere

Radius = n
Volume 4.1961386249739E+22
Surface area 5.8396122282866E+15
Circumference 135446236.10938

Square

Length = n
Perimeter 86227752
Area 464701575935844
Diagonal 30486114.082836

Cube

Length = n
Surface area 2788209455615064
Volume 1.0017543060951E+22
Space diagonal 37337711.871612

Equilateral Triangle

Length = n
Perimeter 64670814
Area 2.0122168496955E+14
Altitude 18668855.935806

Triangular Pyramid

Length = n
Surface area 2.0122168496955E+14
Volume 1.1805787715378E+21
Height 10162038.027612