21105513 (number)

21105513 is an odd 8-digits composite number following 21105512 and preceding 21105514. In scientific notation, it is written as 2.1105513 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 10929600 positive integers (up to 21105513) that are relatively prime to 21105513.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1105513 × 10^7
Engineering notation 2.1105513 × 10^6

Prime Factorization of 21105513

Prime Factorization 39 × 11 × 93 × 23 × 23

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 917631
Product of the distinct prime numbers

The prime factorization of 21105513 is 39 × 11 × 93 × 23 × 23. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 22, 23, 442, 539, 986, 5126, 84869, 29925, 155937, 218446, 5185281, 749248, 56056131, 37010951, 866844396, 839024671, 6109752693, 650958689

Basic calculations (n = 21105513)

Multiplication

n×y
n×2 42211026
n×3 63316539
n×4 84422052
n×5 105527565

Division

n÷y
n÷2 10552756.5
n÷3 7035171
n÷3 5276378.25
n÷5 4221102.6

Exponentiation

ny
n2 445442678993169
n3 9.4012962522452E+21
n4 1.9841918026861E+29
n5 4.1877385886085E+36

Nth Root

y√n
2√n 4594.073682474
3√n 276.35371316504
4√n 67.779596358152
5√n 29.166155207181

Divisors of 21105513

1, 11, 23, 39, 93, 253, 429, 529, 897, 1023, 2139, 3627, 5819, 9867, 20631, 23529, 39897, 49197, 83421, 226941, 541167, 917631, 1918683, 21105513

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 -21105512
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 21105513 can be divided by 24 positive divisors. The sum of these divisors (counting 21105513) is 1, the average is 0.041666666666667.

Base conversion 21105513

Base System Value
2 Binary 1010000100000101101101001
3 Ternary 1110201021022200
4 Quaternary 1100200231221
5 Quinary 20400334023
6 Senary 2032210413
8 Octal 120405551
10 Decimal 21105513
12 Duodecimal 7099a09
16 Hexadecimal 1420b69
20 Vigesimal 6bi3fd
36 Base36 ckd49

Cryptographic Hash Functions

md5 5c599f5efefb57420c2d78d136e87a2e
sha1 18ddb5cd3cebb620cf9fe7c983c208d6845a7d8c
sha256 cddd1d7811fd2a0f7511058ac69d2a4ad1c3ebe7b0cf73b8e1c3c145f6073909
sha512 c18f82e132c226d3a141c32b84e3d904bfa64404796b6745f7721b68a199444cef8176f49395385fe15030711063a6e5733dca5d99db011c98d307581f7059e1
ripemd-160 220268affa06009536f8784682789e1a06da3c1a

21105513 as geometric shapes

Circle

Radius = n
Diameter 42211026
Circumference 132609849.18209
Area 1.3993994479203E+15

Sphere

Radius = n
Volume 3.93800576537E+22
Surface area 5.5975977916812E+15
Circumference 132609849.18209

Square

Length = n
Perimeter 84422052
Area 445442678993169
Diagonal 29847702.725442

Cube

Length = n
Surface area 2672656073959014
Volume 9.4012962522452E+21
Space diagonal 36555820.835805

Equilateral Triangle

Length = n
Perimeter 63316539
Area 1.9288233796894E+14
Altitude 18277910.417903

Triangular Pyramid

Length = n
Surface area 1.9288233796894E+14
Volume 1.107953388651E+21
Height 9949234.2418139