21551738 (number)

21551738 is an even 8-digits composite number following 21551737 and preceding 21551739. In scientific notation, it is written as 2.1551738 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9423216 positive integers (up to 21551738) that are relatively prime to 21551738.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1551738 × 10^7
Engineering notation 2.1551738 × 10^6

Prime Factorization of 21551738

Prime Factorization 2 × 13 × 19 × 43627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551738
Product of the distinct prime numbers

The prime factorization of 21551738 is 2 × 13 × 19 × 43627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551738)

Multiplication

n×y
n×2 43103476
n×3 64655214
n×4 86206952
n×5 107758690

Division

n÷y
n÷2 10775869
n÷3 7183912.6666667
n÷3 5387934.5
n÷5 4310347.6

Exponentiation

ny
n2 464477410820644
n3 1.0010295464925E+22
n4 2.1573926516265E+29
n5 4.6495561190979E+36

Nth Root

y√n
2√n 4642.3849474166
3√n 278.28775649037
4√n 68.135049331578
5√n 29.288454798281

Divisors of 21551738

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 -21551737
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 21551738 can be divided by 16 positive divisors. The sum of these divisors (counting 21551738) is 1, the average is 0.0625.

Base conversion 21551738

Base System Value
2 Binary 1010010001101101001111010
3 Ternary 1111112221102112
4 Quaternary 1102031221322
5 Quinary 21004123423
6 Senary 2045532322
8 Octal 122155172
10 Decimal 21551738
12 Duodecimal 72740a2
16 Hexadecimal 148da7a
20 Vigesimal 6edj6i
36 Base36 ctxfe

Cryptographic Hash Functions

md5 8fbeddd7754342d23699089c1fd2556c
sha1 4675bcd00b3da4004f0515bce3258ab69a313f3f
sha256 fee2f4cd94fc1e57641d2bf7fd1fa9d4f75be5cbdc9ca817bdf43a5c9d4f7cd5
sha512 83e8eb92103f91f3544e46c49be3249a84b70f7ddddc90897bd402fecb0f0c1d60cda042705899b51201f0ebad0f8a4d3441235d2127f864ec3e319fa1f00434
ripemd-160 6205f09382c822a50c5115b8b3ce2d4b627b3cf7

21551738 as geometric shapes

Circle

Radius = n
Diameter 43103476
Circumference 135413563.54578
Area 1.4591988215925E+15

Sphere

Radius = n
Volume 4.1931027590495E+22
Surface area 5.8367952863702E+15
Circumference 135413563.54578

Square

Length = n
Perimeter 86206952
Area 464477410820644
Diagonal 30478760.172312

Cube

Length = n
Surface area 2786864464923864
Volume 1.0010295464925E+22
Space diagonal 37328705.207413

Equilateral Triangle

Length = n
Perimeter 64655214
Area 2.0112461862735E+14
Altitude 18664352.603706

Triangular Pyramid

Length = n
Surface area 2.0112461862735E+14
Volume 1.1797246341549E+21
Height 10159586.724104