21051738 (number)

21051738 is an even 8-digits composite number following 21051737 and preceding 21051739. In scientific notation, it is written as 2.1051738 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6773760 positive integers (up to 21051738) that are relatively prime to 21051738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1051738 × 10^7
Engineering notation 2.1051738 × 10^6

Prime Factorization of 21051738

Prime Factorization 2 × 9 × 9 × 29 × 4481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2339082
Product of the distinct prime numbers

The prime factorization of 21051738 is 2 × 9 × 9 × 29 × 4481. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 20, 92, 451, 202, 1681, 8154, 48778, 88457, 17807, 63479, 1945064, 3819666, 76933373, 31599688, 857740239, 259847842, 7803905572, 3945939129

Basic calculations (n = 21051738)

Multiplication

n×y
n×2 42103476
n×3 63155214
n×4 84206952
n×5 105258690

Division

n÷y
n÷2 10525869
n÷3 7017246
n÷3 5262934.5
n÷5 4210347.6

Exponentiation

ny
n2 443175672820644
n3 9.3296181521939E+21
n4 1.9640467698003E+29
n5 4.1346598017582E+36

Nth Root

y√n
2√n 4588.2173008697
3√n 276.11880518525
4√n 67.736380925391
5√n 29.151277474402

Divisors of 21051738

1, 2, 9, 18, 29, 58, 81, 162, 261, 522, 2349, 4481, 4698, 8962, 40329, 80658, 129949, 259898, 362961, 725922, 1169541, 2339082, 10525869, 21051738

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051738 can be divided by 24 positive divisors. The sum of these divisors (counting 21051738) is 1, the average is 0.041666666666667.

Base conversion 21051738

Base System Value
2 Binary 1010000010011100101011010
3 Ternary 1110121112120000
4 Quaternary 1100103211122
5 Quinary 20342123423
6 Senary 2031113430
8 Octal 120234532
10 Decimal 21051738
12 Duodecimal 7072876
16 Hexadecimal 141395a
20 Vigesimal 6bb96i
36 Base36 cj7mi

Cryptographic Hash Functions

md5 d5c79970baca52ec9d3b743d7a82643f
sha1 3ebe0a3f5be65f5db14698d97560f4996769205b
sha256 3bd1772a4441f5fb41ab8cbb3fbf52373080ca7be88efbfe4579bb11408332bc
sha512 8abf1f35c7eb9007c3b11f761903d4b91ead484021d2c0cc2c91c99a9a95bcdbbaa2fefe6d9d335a3ee2c6c0a8ffe971f86a156c51a86b35acc64f18c5f170c0
ripemd-160 522d5a3224d62ba47841059cfdb437214684f11c

21051738 as geometric shapes

Circle

Radius = n
Diameter 42103476
Circumference 132271970.89219
Area 1.392277437983E+15

Sphere

Radius = n
Volume 3.9079813130307E+22
Surface area 5.5691097519322E+15
Circumference 132271970.89219

Square

Length = n
Perimeter 84206952
Area 443175672820644
Diagonal 29771653.391125

Cube

Length = n
Surface area 2659054036923864
Volume 9.3296181521939E+21
Space diagonal 36462679.803628

Equilateral Triangle

Length = n
Perimeter 63155214
Area 1.9190069550097E+14
Altitude 18231339.901814

Triangular Pyramid

Length = n
Surface area 1.9190069550097E+14
Volume 1.0995060435496E+21
Height 9923884.4637084