21085946 (number)

21085946 is an even 8-digits composite number following 21085945 and preceding 21085947. In scientific notation, it is written as 2.1085946 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 9014544 positive integers (up to 21085946) that are relatively prime to 21085946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1085946 × 10^7
Engineering notation 2.1085946 × 10^6

Prime Factorization of 21085946

Prime Factorization 2 × 7 × 463 × 3253

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21085946
Product of the distinct prime numbers

The prime factorization of 21085946 is 2 × 7 × 463 × 3253. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 37, 42, 947, 284, 7452, 3218, 79242, 18235, 538412, 720150, 6999651, 4775972, 85380138, 30948497, 338252618, 764788975, 1468849333, 6571238563

Basic calculations (n = 21085946)

Multiplication

n×y
n×2 42171892
n×3 63257838
n×4 84343784
n×5 105429730

Division

n÷y
n÷2 10542973
n÷3 7028648.6666667
n÷3 5271486.5
n÷5 4217189.2

Exponentiation

ny
n2 444617118714916
n3 9.3751725558983E+21
n4 1.9768438225435E+29
n5 4.1683622092587E+36

Nth Root

y√n
2√n 4591.9435972146
3√n 276.26828390548
4√n 67.763881214218
5√n 29.160745190246

Divisors of 21085946

1, 2, 7, 14, 463, 926, 3241, 3253, 6482, 6506, 22771, 45542, 1506139, 3012278, 10542973, 21085946

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 -21085945
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 21085946 can be divided by 16 positive divisors. The sum of these divisors (counting 21085946) is 1, the average is 0.0625.

Base conversion 21085946

Base System Value
2 Binary 1010000011011111011111010
3 Ternary 1110200021110222
4 Quaternary 1100123323322
5 Quinary 20344222241
6 Senary 2031540042
8 Octal 120337372
10 Decimal 21085946
12 Duodecimal 708a622
16 Hexadecimal 141befa
20 Vigesimal 6bfeh6
36 Base36 cjy0q

Cryptographic Hash Functions

md5 7eee8bc147dd4704e1368745097ec239
sha1 8060b68648324cad592babaa62720eace93eac42
sha256 31e2118346b76c044dbabf7584c17b968819e3a7dbdf1db6c6f160432fff8c32
sha512 5abeeb1c23e486ece732604d689165063704276a7aeebf59ab7cdbb43e8b040beb62ed884d2d347a261e6b828c7a16847630da86366aceabd047111c3e401919
ripemd-160 e217d50a8d51c64a95850528a588dc89215cad21

21085946 as geometric shapes

Circle

Radius = n
Diameter 42171892
Circumference 132486906.09518
Area 1.396805873815E+15

Sphere

Radius = n
Volume 3.9270630970329E+22
Surface area 5.5872234952602E+15
Circumference 132486906.09518

Square

Length = n
Perimeter 84343784
Area 444617118714916
Diagonal 29820030.808667

Cube

Length = n
Surface area 2667702712289496
Volume 9.3751725558983E+21
Space diagonal 36521929.797654

Equilateral Triangle

Length = n
Perimeter 63257838
Area 1.9252485988228E+14
Altitude 18260964.898827

Triangular Pyramid

Length = n
Surface area 1.9252485988228E+14
Volume 1.1048746815116E+21
Height 9940010.2695556