21105613 (number)

21105613 is an odd 8-digits composite number following 21105612 and preceding 21105614. In scientific notation, it is written as 2.1105613 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 21072640 positive integers (up to 21105613) that are relatively prime to 21105613.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand six hundred thirteen

Notation

Scientific notation 2.1105613 × 10^7
Engineering notation 2.1105613 × 10^6

Prime Factorization of 21105613

Prime Factorization 653 × 32321

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21105613
Product of the distinct prime numbers

The prime factorization of 21105613 is 653 × 32321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105613)

Multiplication

n×y
n×2 42211226
n×3 63316839
n×4 84422452
n×5 105528065

Division

n÷y
n÷2 10552806.5
n÷3 7035204.3333333
n÷3 5276403.25
n÷5 4221122.6

Exponentiation

ny
n2 445446900105769
n3 9.401429885682E+21
n4 1.9842294081384E+29
n5 4.1878377991388E+36

Nth Root

y√n
2√n 4594.084566048
3√n 276.35414962805
4√n 67.77967664461
5√n 29.166182845552

Divisors of 21105613

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105612
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105613 can be divided by 4 positive divisors. The sum of these divisors (counting 21105613) is 1, the average is 0.25.

Base conversion 21105613

Base System Value
2 Binary 1010000100000101111001101
3 Ternary 1110201021110101
4 Quaternary 1100200233031
5 Quinary 20400334423
6 Senary 2032211101
8 Octal 120405715
10 Decimal 21105613
12 Duodecimal 7099a91
16 Hexadecimal 1420bcd
20 Vigesimal 6bi40d
36 Base36 ckd71

Cryptographic Hash Functions

md5 00bf421c029910c30118516135659628
sha1 54916f7924aebbd79272cc6ce62b30662b732921
sha256 20d8af603a4d0e28901bf763d06108d7959f7d227bfbf3f6db428966717b7612
sha512 e05a4af7cf1c2d29acb3c81a2203afa0f1aeb265050eee9cc35b205d93f67b5c57cba6ce367731fdb5ccd1d488b845566a8814f976bdd475733f74f79fe64947
ripemd-160 22302bc1070713507afb8bbc4d2bfd2c3b1a5c07

21105613 as geometric shapes

Circle

Radius = n
Diameter 42211226
Circumference 132610477.50062
Area 1.3994127089366E+15

Sphere

Radius = n
Volume 3.9380617416131E+22
Surface area 5.5976508357465E+15
Circumference 132610477.50062

Square

Length = n
Perimeter 84422452
Area 445446900105769
Diagonal 29847844.146798

Cube

Length = n
Surface area 2672681400634614
Volume 9.401429885682E+21
Space diagonal 36555994.040886

Equilateral Triangle

Length = n
Perimeter 63316839
Area 1.9288416576431E+14
Altitude 18277997.020443

Triangular Pyramid

Length = n
Surface area 1.9288416576431E+14
Volume 1.1079691375026E+21
Height 9949281.382266