21085944 (number)

21085944 is an even 8-digits composite number following 21085943 and preceding 21085945. In scientific notation, it is written as 2.1085944 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 96 positive divisors. There are 6223360 positive integers (up to 21085944) that are relatively prime to 21085944.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085944 × 10^7
Engineering notation 2.1085944 × 10^6

Prime Factorization of 21085944

Prime Factorization 2 × 2 × 2 × 3 × 11 × 11 × 53 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 479226
Product of the distinct prime numbers

The prime factorization of 21085944 is 2 × 2 × 2 × 3 × 11 × 11 × 53 × 137. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085944)

Multiplication

n×y
n×2 42171888
n×3 63257832
n×4 84343776
n×5 105429720

Division

n÷y
n÷2 10542972
n÷3 7028648
n÷3 5271486
n÷5 4217188.8

Exponentiation

ny
n2 444617034371136
n3 9.3751698881958E+21
n4 1.9768430725298E+29
n5 4.1683602324152E+36

Nth Root

y√n
2√n 4591.9433794419
3√n 276.26827517081
4√n 67.763879607368
5√n 29.160744637067

Divisors of 21085944

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085944 can be divided by 96 positive divisors. The sum of these divisors (counting 21085944) is 1, the average is 0.010416666666667.

Base conversion 21085944

Base System Value
2 Binary 1010000011011111011111000
3 Ternary 1110200021110220
4 Quaternary 1100123323320
5 Quinary 20344222234
6 Senary 2031540040
8 Octal 120337370
10 Decimal 21085944
12 Duodecimal 708a620
16 Hexadecimal 141bef8
20 Vigesimal 6bfeh4
36 Base36 cjy0o

Cryptographic Hash Functions

md5 a6b170dab0c79c50b344755410080c37
sha1 4b91c920e3efec2893f4c04430cc04f37ed89bb3
sha256 4db06212df662badef1f6d51e03bc2278006ed19885afc32fd756fd32be9ad2f
sha512 760dda22a325a0bac5f754993190ce73699db812b88d8e5a9fb22e49aa226fcde165116e55553c341fdaa09d2cf873b4d28c5ab2c9902cc5ce47a10714b91188
ripemd-160 722d6a335b46586f5a30f7ebc368be7671225708

21085944 as geometric shapes

Circle

Radius = n
Diameter 42171888
Circumference 132486893.52881
Area 1.3968056088412E+15

Sphere

Radius = n
Volume 3.9270619795883E+22
Surface area 5.587222435365E+15
Circumference 132486893.52881

Square

Length = n
Perimeter 84343776
Area 444617034371136
Diagonal 29820027.98024

Cube

Length = n
Surface area 2667702206226816
Volume 9.3751698881958E+21
Space diagonal 36521926.333552

Equilateral Triangle

Length = n
Perimeter 63257832
Area 1.9252482336035E+14
Altitude 18260963.166776

Triangular Pyramid

Length = n
Surface area 1.9252482336035E+14
Volume 1.1048743671199E+21
Height 9940009.3267465