21085429 (number)

21085429 is an odd 8-digits composite number following 21085428 and preceding 21085430. In scientific notation, it is written as 2.1085429 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20919276 positive integers (up to 21085429) that are relatively prime to 21085429.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085429 × 10^7
Engineering notation 2.1085429 × 10^6

Prime Factorization of 21085429

Prime Factorization 127 × 166027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21085429
Product of the distinct prime numbers

The prime factorization of 21085429 is 127 × 166027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085429)

Multiplication

n×y
n×2 42170858
n×3 63256287
n×4 84341716
n×5 105427145

Division

n÷y
n÷2 10542714.5
n÷3 7028476.3333333
n÷3 5271357.25
n÷5 4217085.8

Exponentiation

ny
n2 444595316114041
n3 9.3744829716552E+21
n4 1.9766499511054E+29
n5 4.1678512201887E+36

Nth Root

y√n
2√n 4591.8873026241
3√n 276.2660259739
4√n 67.763465839817
5√n 29.160602192126

Divisors of 21085429

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 -21085428
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 21085429 can be divided by 4 positive divisors. The sum of these divisors (counting 21085429) is 1, the average is 0.25.

Base conversion 21085429

Base System Value
2 Binary 1010000011011110011110101
3 Ternary 1110200020202211
4 Quaternary 1100123303311
5 Quinary 20344213204
6 Senary 2031533421
8 Octal 120336365
10 Decimal 21085429
12 Duodecimal 708a271
16 Hexadecimal 141bcf5
20 Vigesimal 6bfdb9
36 Base36 cjxmd

Cryptographic Hash Functions

md5 a8cf80f3e21523b9bf6431382c5c4b5f
sha1 5a7d8105230991911b89b28abae20bf209ad53cc
sha256 1360a22c33e1a59ec7bb386f3455bddaf05b388beed02cc26799b3d19f602002
sha512 f25b4f6cae47ba72f5c70f58455daa3279ff00d42f0b1e9dd1d563ae573beb77f7bece32d7ab1a739aa753fd05fc490ab31610de569ab5005f27e18b42b06648
ripemd-160 f4b17aac5d4f6d4aa36f395d7230ba109f61145f

21085429 as geometric shapes

Circle

Radius = n
Diameter 42170858
Circumference 132483657.68838
Area 1.3967373789243E+15

Sphere

Radius = n
Volume 3.9267742446606E+22
Surface area 5.5869495156972E+15
Circumference 132483657.68838

Square

Length = n
Perimeter 84341716
Area 444595316114041
Diagonal 29819299.660255

Cube

Length = n
Surface area 2667571896684246
Volume 9.3744829716552E+21
Space diagonal 36521034.327386

Equilateral Triangle

Length = n
Perimeter 63256287
Area 1.9251541907917E+14
Altitude 18260517.163693

Triangular Pyramid

Length = n
Surface area 1.9251541907917E+14
Volume 1.1047934132292E+21
Height 9939766.5534183