20921646 (number)

20921646 is an even 8-digits composite number following 20921645 and preceding 20921647. In scientific notation, it is written as 2.0921646 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 6973880 positive integers (up to 20921646) that are relatively prime to 20921646.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921646 × 10^7
Engineering notation 2.0921646 × 10^6

Prime Factorization of 20921646

Prime Factorization 2 × 3 × 3486941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921646
Product of the distinct prime numbers

The prime factorization of 20921646 is 2 × 3 × 3486941. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921646)

Multiplication

n×y
n×2 41843292
n×3 62764938
n×4 83686584
n×5 104608230

Division

n÷y
n÷2 10460823
n÷3 6973882
n÷3 5230411.5
n÷5 4184329.2

Exponentiation

ny
n2 437715271349316
n3 9.1577239559643E+21
n4 1.9159465877241E+29
n5 4.0084756263271E+36

Nth Root

y√n
2√n 4574.0185832591
3√n 275.54885865281
4√n 67.631491061924
5√n 29.115159249637

Divisors of 20921646

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921645
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921646 can be divided by 8 positive divisors. The sum of these divisors (counting 20921646) is 1, the average is 0.125.

Base conversion 20921646

Base System Value
2 Binary 1001111110011110100101110
3 Ternary 1110100221002210
4 Quaternary 1033303310232
5 Quinary 20323443041
6 Senary 2024231250
8 Octal 117636456
10 Decimal 20921646
12 Duodecimal 700b526
16 Hexadecimal 13f3d2e
20 Vigesimal 6af426
36 Base36 cgf8u

Cryptographic Hash Functions

md5 7938cd1e0d0634d9152ca38928761538
sha1 1d9d2dcb3a07cb486fd6d4a72b571ba90accb509
sha256 93d1b9251311255f471f33e6face28c4d5e9d4205ea11e464526edeee1fc4953
sha512 cf5736ab325b600b14a42d4a04efd42beef3405057a86163addda2f5b927fbadf97a9bb30a10d420d6ff7b17b99a3a05b1fbff07797a3b16947e1740d54e5960
ripemd-160 8d524f5125335b5da5315f2388655efef3e69a9b

20921646 as geometric shapes

Circle

Radius = n
Diameter 41843292
Circumference 131454578.74921
Area 1.3751230808351E+15

Sphere

Radius = n
Volume 3.8359784404881E+22
Surface area 5.5004923233403E+15
Circumference 131454578.74921

Square

Length = n
Perimeter 83686584
Area 437715271349316
Diagonal 29587675.520369

Cube

Length = n
Surface area 2626291628095896
Volume 9.1577239559643E+21
Space diagonal 36237353.84997

Equilateral Triangle

Length = n
Perimeter 62764938
Area 1.8953627230645E+14
Altitude 18118676.924985

Triangular Pyramid

Length = n
Surface area 1.8953627230645E+14
Volume 1.0792481182495E+21
Height 9862558.5067896