21051312 (number)

21051312 is an even 8-digits composite number following 21051311 and preceding 21051313. In scientific notation, it is written as 2.1051312 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 20 positive divisors. There are 7017088 positive integers (up to 21051312) that are relatively prime to 21051312.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand three hundred twelve

Notation

Scientific notation 2.1051312 × 10^7
Engineering notation 2.1051312 × 10^6

Prime Factorization of 21051312

Prime Factorization 2 × 2 × 2 × 2 × 3 × 438569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2631414
Product of the distinct prime numbers

The prime factorization of 21051312 is 2 × 2 × 2 × 2 × 3 × 438569. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 31, 70, 802, 820, 4728, 1039, 70344, 47920, 439197, 289368, 3523261, 1118803, 56763982, 42471253, 595473271, 544417573, 8809499663, 4732832500

Basic calculations (n = 21051312)

Multiplication

n×y
n×2 42102624
n×3 63153936
n×4 84205248
n×5 105256560

Division

n÷y
n÷2 10525656
n÷3 7017104
n÷3 5262828
n÷5 4210262.4

Exponentiation

ny
n2 443157736921344
n3 9.3290517851451E+21
n4 1.9638877979325E+29
n5 4.1342414767269E+36

Nth Root

y√n
2√n 4588.1708773759
3√n 276.11694267229
4√n 67.736038246829
5√n 29.15115949322

Divisors of 21051312

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438569, 877138, 1315707, 1754276, 2631414, 3508552, 5262828, 7017104, 10525656, 21051312

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051312 can be divided by 20 positive divisors. The sum of these divisors (counting 21051312) is 1, the average is 0.05.

Base conversion 21051312

Base System Value
2 Binary 1010000010011011110110000
3 Ternary 1110121111222020
4 Quaternary 1100103132300
5 Quinary 20342120222
6 Senary 2031111440
8 Octal 120233660
10 Decimal 21051312
12 Duodecimal 7072580
16 Hexadecimal 14137b0
20 Vigesimal 6bb85c
36 Base36 cj7ao

Cryptographic Hash Functions

md5 f76f2e52ae73814bbae196586e6cecab
sha1 30570f569d7409ffcdca6bfcd5ac2a48b0041b0b
sha256 f0effb4943bd5b329c3efda085d6d411cc7c6095fbb36432e7fcae4f8ac226d4
sha512 a0186f85bf0a16574b68152e653e16c5c7a40b460781bc5876bf3ed40981083573f29d1c46f0585785fdde8b8645c0fabad8ef96528ce6a3ceec0f7436435e22
ripemd-160 eb84aeefc4211b9539f8d94e397d8c12caaac0e8

21051312 as geometric shapes

Circle

Radius = n
Diameter 42102624
Circumference 132269294.25525
Area 1.3922210906936E+15

Sphere

Radius = n
Volume 3.9077440737561E+22
Surface area 5.5688843627743E+15
Circumference 132269294.25525

Square

Length = n
Perimeter 84205248
Area 443157736921344
Diagonal 29771050.936147

Cube

Length = n
Surface area 2658946421528064
Volume 9.3290517851451E+21
Space diagonal 36461941.949984

Equilateral Triangle

Length = n
Perimeter 63153936
Area 1.9189292902875E+14
Altitude 18230970.974992

Triangular Pyramid

Length = n
Surface area 1.9189292902875E+14
Volume 1.0994392965528E+21
Height 9923683.6453825