21031797 (number)

21031797 is an odd 8-digits composite number following 21031796 and preceding 21031798. In scientific notation, it is written as 2.1031797 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13926800 positive integers (up to 21031797) that are relatively prime to 21031797.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred ninety-seven

Notation

Scientific notation 2.1031797 × 10^7
Engineering notation 2.1031797 × 10^6

Prime Factorization of 21031797

Prime Factorization 3 × 149 × 47051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031797
Product of the distinct prime numbers

The prime factorization of 21031797 is 3 × 149 × 47051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031797)

Multiplication

n×y
n×2 42063594
n×3 63095391
n×4 84127188
n×5 105158985

Division

n÷y
n÷2 10515898.5
n÷3 7010599
n÷3 5257949.25
n÷5 4206359.4

Exponentiation

ny
n2 442336485049209
n3 9.3031311592485E+21
n4 1.9566156600569E+29
n5 4.1151143369338E+36

Nth Root

y√n
2√n 4586.043719809
3√n 276.0315942618
4√n 67.720334610876
5√n 29.145752742875

Divisors of 21031797

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 -21031796
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 21031797 can be divided by 8 positive divisors. The sum of these divisors (counting 21031797) is 1, the average is 0.125.

Base conversion 21031797

Base System Value
2 Binary 1010000001110101101110101
3 Ternary 1110120112012110
4 Quaternary 1100032231311
5 Quinary 20341004142
6 Senary 2030441233
8 Octal 120165565
10 Decimal 21031797
12 Duodecimal 7063219
16 Hexadecimal 140eb75
20 Vigesimal 6b8j9h
36 Base36 cis8l

Cryptographic Hash Functions

md5 70579017245a73346d0cb3be7477a42b
sha1 77c7ebe8142f6027d99cc34603f7e0dcbe07aec1
sha256 0485435407d6354d221366c05fc782a7546559794120e0dab412e3270718de1d
sha512 7a9266b52d50044cc037b34efa2eb33a97734ca67b923e99c978fe1ced43fcda265a27d96fcfca2a0e47b2865f875568c5078accc3f4bdb5851319481b25fc79
ripemd-160 caefd51b46640f230be380313ffbbdb38a03f2b4

21031797 as geometric shapes

Circle

Radius = n
Diameter 42063594
Circumference 132146677.89398
Area 1.3896410518453E+15

Sphere

Radius = n
Volume 3.8968864673703E+22
Surface area 5.5585642073813E+15
Circumference 132146677.89398

Square

Length = n
Perimeter 84127188
Area 442336485049209
Diagonal 29743452.558478

Cube

Length = n
Surface area 2654018910295254
Volume 9.3031311592485E+21
Space diagonal 36428140.978475

Equilateral Triangle

Length = n
Perimeter 63095391
Area 1.9153731653667E+14
Altitude 18214070.489237

Triangular Pyramid

Length = n
Surface area 1.9153731653667E+14
Volume 1.0963845214954E+21
Height 9914484.1861593