21105469 (number)

21105469 is an odd 8-digits composite number following 21105468 and preceding 21105470. In scientific notation, it is written as 2.1105469 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 16196400 positive integers (up to 21105469) that are relatively prime to 21105469.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand four hundred sixty-nine

Notation

Scientific notation 2.1105469 × 10^7
Engineering notation 2.1105469 × 10^6

Prime Factorization of 21105469

Prime Factorization 7 × 11 × 4091 × 67

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21105469
Product of the distinct prime numbers

The prime factorization of 21105469 is 7 × 11 × 4091 × 67. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105469)

Multiplication

n×y
n×2 42210938
n×3 63316407
n×4 84421876
n×5 105527345

Division

n÷y
n÷2 10552734.5
n÷3 7035156.3333333
n÷3 5276367.25
n÷5 4221093.8

Exponentiation

ny
n2 445440821709961
n3 9.4012374539341E+21
n4 1.9841752564565E+29
n5 4.1876949365709E+36

Nth Root

y√n
2√n 4594.0688936933
3√n 276.35352112087
4√n 67.77956103202
5√n 29.166143046265

Divisors of 21105469

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105468
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105469 can be divided by 16 positive divisors. The sum of these divisors (counting 21105469) is 1, the average is 0.0625.

Base conversion 21105469

Base System Value
2 Binary 1010000100000101100111101
3 Ternary 1110201021021001
4 Quaternary 1100200230331
5 Quinary 20400333334
6 Senary 2032210301
8 Octal 120405475
10 Decimal 21105469
12 Duodecimal 7099991
16 Hexadecimal 1420b3d
20 Vigesimal 6bi3d9
36 Base36 ckd31

Cryptographic Hash Functions

md5 324b52bdd863c7946a958df475711d78
sha1 16dbbe58a079c09e11c0541841babe04e3ee66f0
sha256 e6c8bff8b1410e47089156bfd9d92459c100af931370db4ab398230b65bcc69a
sha512 0ef88753734fecba1daa2708d25329556bee4af1064aed116c81e70fc9cb7f4cdf4c8d69e46917f0940434e5e7352848f2fc3f602aea751fc7b9c0edaf952fb3
ripemd-160 14928807e8c24a77ab8d3e68140f4b540bfb16f9

21105469 as geometric shapes

Circle

Radius = n
Diameter 42210938
Circumference 132609572.72193
Area 1.399393613093E+15

Sphere

Radius = n
Volume 3.937981135991E+22
Surface area 5.5975744523721E+15
Circumference 132609572.72193

Square

Length = n
Perimeter 84421876
Area 445440821709961
Diagonal 29847640.500045

Cube

Length = n
Surface area 2672644930259766
Volume 9.4012374539341E+21
Space diagonal 36555744.62557

Equilateral Triangle

Length = n
Perimeter 63316407
Area 1.9288153374172E+14
Altitude 18277872.312785

Triangular Pyramid

Length = n
Surface area 1.9288153374172E+14
Volume 1.1079464592036E+21
Height 9949213.500015