20921693 (number)

20921693 is an odd 8-digits composite number following 20921692 and preceding 20921694. In scientific notation, it is written as 2.0921693 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 18856656 positive integers (up to 20921693) that are relatively prime to 20921693.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred ninety-three

Notation

Scientific notation 2.0921693 × 10^7
Engineering notation 2.0921693 × 10^6

Prime Factorization of 20921693

Prime Factorization 13 × 13 × 43 × 2879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1609361
Product of the distinct prime numbers

The prime factorization of 20921693 is 13 × 13 × 43 × 2879. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921693)

Multiplication

n×y
n×2 41843386
n×3 62765079
n×4 83686772
n×5 104608465

Division

n÷y
n÷2 10460846.5
n÷3 6973897.6666667
n÷3 5230423.25
n÷5 4184338.6

Exponentiation

ny
n2 437717237986249
n3 9.1577856739562E+21
n4 1.9159638043031E+29
n5 4.0085206512742E+36

Nth Root

y√n
2√n 4574.0237209704
3√n 275.54906499073
4√n 67.631529045042
5√n 29.115172330934

Divisors of 20921693

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921692
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921693 can be divided by 12 positive divisors. The sum of these divisors (counting 20921693) is 1, the average is 0.083333333333333.

Base conversion 20921693

Base System Value
2 Binary 1001111110011110101011101
3 Ternary 1110100221011112
4 Quaternary 1033303311131
5 Quinary 20323443233
6 Senary 2024231405
8 Octal 117636535
10 Decimal 20921693
12 Duodecimal 700b565
16 Hexadecimal 13f3d5d
20 Vigesimal 6af44d
36 Base36 cgfa5

Cryptographic Hash Functions

md5 0653d6db6d5554dc1c3f7a9c77b9e3cc
sha1 9699a21d214a8531cf1511de68792ddc0205d5c0
sha256 ed08041fb4a62f0b3d86a16f56663b269ee4562fd77caff50dbb1646d2f0868e
sha512 afd58ac4f3a2703136ebbcae4fa0aecfb29eabd5b170e1b91360c9ae4d32d0c8e245a01a3add04ee741571241c9c2e94eab090be53775af3ba1587ced2ff8603
ripemd-160 107033d296baf7c51517ac28eec66700df5ad9fb

20921693 as geometric shapes

Circle

Radius = n
Diameter 41843386
Circumference 131454874.05892
Area 1.3751292592072E+15

Sphere

Radius = n
Volume 3.8360042928601E+22
Surface area 5.5005170368289E+15
Circumference 131454874.05892

Square

Length = n
Perimeter 83686772
Area 437717237986249
Diagonal 29587741.988406

Cube

Length = n
Surface area 2626303427917494
Volume 9.1577856739562E+21
Space diagonal 36237435.256358

Equilateral Triangle

Length = n
Perimeter 62765079
Area 1.8953712388523E+14
Altitude 18118717.628179

Triangular Pyramid

Length = n
Surface area 1.8953712388523E+14
Volume 1.0792553917846E+21
Height 9862580.6628021