21085953 (number)

21085953 is an odd 8-digits composite number following 21085952 and preceding 21085954. In scientific notation, it is written as 2.1085953 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11140416 positive integers (up to 21085953) that are relatively prime to 21085953.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand nine hundred fifty-three

Notation

Scientific notation 2.1085953 × 10^7
Engineering notation 2.1085953 × 10^6

Prime Factorization of 21085953

Prime Factorization 21 × 43 × 19 × 1229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21085953
Product of the distinct prime numbers

The prime factorization of 21085953 is 21 × 43 × 19 × 1229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 77, 38, 498, 70, 7860, 5333, 11338, 1486, 284582, 582337, 1956852, 6399481, 61542362, 6851844, 319117837, 693924927, 6313063771, 5868132534

Basic calculations (n = 21085953)

Multiplication

n×y
n×2 42171906
n×3 63257859
n×4 84343812
n×5 105429765

Division

n÷y
n÷2 10542976.5
n÷3 7028651
n÷3 5271488.25
n÷5 4217190.6

Exponentiation

ny
n2 444617413918209
n3 9.3751818928609E+21
n4 1.9768464475932E+29
n5 4.1683691282166E+36

Nth Root

y√n
2√n 4591.944359419
3√n 276.26831447683
4√n 67.76388683819
5√n 29.160747126371

Divisors of 21085953

1, 19, 21, 43, 399, 817, 903, 1229, 17157, 23351, 25809, 52847, 490371, 1004093, 1109787, 21085953

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 -21085952
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 21085953 can be divided by 16 positive divisors. The sum of these divisors (counting 21085953) is 1, the average is 0.0625.

Base conversion 21085953

Base System Value
2 Binary 1010000011011111100000001
3 Ternary 1110200021111020
4 Quaternary 1100123330001
5 Quinary 20344222303
6 Senary 2031540053
8 Octal 120337401
10 Decimal 21085953
12 Duodecimal 708a629
16 Hexadecimal 141bf01
20 Vigesimal 6bfehd
36 Base36 cjy0x

Cryptographic Hash Functions

md5 773ba042312434fb1e6bd6214cca1856
sha1 2e7a810dd70c30a766d0682e85833f62fed5d4be
sha256 3a5c068d5f465bac9ad7101b076667f41920762ecfdc95db76b0a1cd5ee954c3
sha512 0e809516a1426051bcdcc12dcab1ff998d9a457a2591ffcb03063de87136a058733d5a6cc5963cb7aabea8e7071dfafdc1ea9cccb844bc51ab76f2c0cba1b145
ripemd-160 a11ec37c625d10453b3bcb2b922a8f7067afee09

21085953 as geometric shapes

Circle

Radius = n
Diameter 42171906
Circumference 132486950.07748
Area 1.3968068012235E+15

Sphere

Radius = n
Volume 3.9270670080906E+22
Surface area 5.5872272048942E+15
Circumference 132486950.07748

Square

Length = n
Perimeter 84343812
Area 444617413918209
Diagonal 29820040.708162

Cube

Length = n
Surface area 2667704483509254
Volume 9.3751818928609E+21
Space diagonal 36521941.922009

Equilateral Triangle

Length = n
Perimeter 63257859
Area 1.9252498770905E+14
Altitude 18260970.961005

Triangular Pyramid

Length = n
Surface area 1.9252498770905E+14
Volume 1.1048757818832E+21
Height 9940013.5693872