21031756 (number)

21031756 is an even 8-digits composite number following 21031755 and preceding 21031757. In scientific notation, it is written as 2.1031756 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 10501920 positive integers (up to 21031756) that are relatively prime to 21031756.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031756 × 10^7
Engineering notation 2.1031756 × 10^6

Prime Factorization of 21031756

Prime Factorization 2 × 2 × 859 × 6121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10515878
Product of the distinct prime numbers

The prime factorization of 21031756 is 2 × 2 × 859 × 6121. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 42, 66, 518, 370, 8769, 4602, 61897, 69759, 486213, 31785, 452820, 5533726, 3640743, 28988022, 691309391, 166273702, 3012257360, 5586482292

Basic calculations (n = 21031756)

Multiplication

n×y
n×2 42063512
n×3 63095268
n×4 84127024
n×5 105158780

Division

n÷y
n÷2 10515878
n÷3 7010585.3333333
n÷3 5257939
n÷5 4206351.2

Exponentiation

ny
n2 442334760443536
n3 9.3030767519669E+21
n4 1.9566004029664E+29
n5 4.1150742264691E+36

Nth Root

y√n
2√n 4586.039249723
3√n 276.03141489366
4√n 67.720301606852
5√n 29.145741379349

Divisors of 21031756

1, 2, 4, 859, 1718, 3436, 6121, 12242, 24484, 5257939, 10515878, 21031756

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031755
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031756 can be divided by 12 positive divisors. The sum of these divisors (counting 21031756) is 1, the average is 0.083333333333333.

Base conversion 21031756

Base System Value
2 Binary 1010000001110101101001100
3 Ternary 1110120112010221
4 Quaternary 1100032231030
5 Quinary 20341004011
6 Senary 2030441124
8 Octal 120165514
10 Decimal 21031756
12 Duodecimal 70631a4
16 Hexadecimal 140eb4c
20 Vigesimal 6b8j7g
36 Base36 cis7g

Cryptographic Hash Functions

md5 d8ba1ba8e52f1fd8627a269e340dd4ab
sha1 4bb1b44439e5dfc854dfedabc8b9f8bc6b0df93d
sha256 1602cba9b339491e4d8d06b66b855f813948b03f5c1b93a6adc8cc51d9a4cde9
sha512 118bf663adcd92e0e73ecbecf1084164009900f3ed96050a5f7ae751b39a14b94d4a0e4adb75df081a1157a2d9312136f406e31c1cae9b7a814ffccca8a9e13e
ripemd-160 cb02dc99dcc65c01d28726a5fe5b8a8812a8f04f

21031756 as geometric shapes

Circle

Radius = n
Diameter 42063512
Circumference 132146420.28339
Area 1.3896356338368E+15

Sphere

Radius = n
Volume 3.8968636773015E+22
Surface area 5.5585425353473E+15
Circumference 132146420.28339

Square

Length = n
Perimeter 84127024
Area 442334760443536
Diagonal 29743394.575722

Cube

Length = n
Surface area 2654008562661216
Volume 9.3030767519669E+21
Space diagonal 36428069.964392

Equilateral Triangle

Length = n
Perimeter 63095268
Area 1.915365697605E+14
Altitude 18214034.982196

Triangular Pyramid

Length = n
Surface area 1.915365697605E+14
Volume 1.0963781095358E+21
Height 9914464.8585739