20946945 (number)

20946945 is an odd 8-digits composite number following 20946944 and preceding 20946946. In scientific notation, it is written as 2.0946945 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11128320 positive integers (up to 20946945) that are relatively prime to 20946945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0946945 × 10^7
Engineering notation 2.0946945 × 10^6

Prime Factorization of 20946945

Prime Factorization 3 × 5 × 271 × 5153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20946945
Product of the distinct prime numbers

The prime factorization of 20946945 is 3 × 5 × 271 × 5153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 97, 73, 533, 207, 6533, 8342, 46540, 57592, 486623, 285018, 2446791, 9481588, 96249739, 83626081, 908500450, 516307754, 5819523301, 9072282471

Basic calculations (n = 20946945)

Multiplication

n×y
n×2 41893890
n×3 62840835
n×4 83787780
n×5 104734725

Division

n÷y
n÷2 10473472.5
n÷3 6982315
n÷3 5236736.25
n÷5 4189389

Exponentiation

ny
n2 438774504833025
n3 9.1909854201396E+21
n4 1.9252306609147E+29
n5 4.0327700766493E+36

Nth Root

y√n
2√n 4576.783259015
3√n 275.65988087
4√n 67.651927237995
5√n 29.12219720825

Divisors of 20946945

1, 3, 5, 15, 271, 813, 1355, 4065, 5153, 15459, 25765, 77295, 1396463, 4189389, 6982315, 20946945

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 -20946944
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 20946945 can be divided by 16 positive divisors. The sum of these divisors (counting 20946945) is 1, the average is 0.0625.

Base conversion 20946945

Base System Value
2 Binary 1001111111010000000000001
3 Ternary 1110102012210210
4 Quaternary 1033322000001
5 Quinary 20330300240
6 Senary 2024544333
8 Octal 117720001
10 Decimal 20946945
12 Duodecimal 70220a9
16 Hexadecimal 13fa001
20 Vigesimal 6ai775
36 Base36 cgyrl

Cryptographic Hash Functions

md5 f5a37e54f5aee7e66e7a4c1be3602d23
sha1 30ffe2feb23e1da67ba12b2632e3dab95e2a98f1
sha256 ff47462f9c6cdd410aeb511317a3ecdb1c74eb51a44f564b142cfe2af5641a22
sha512 b232fd5b472ecbf6a60a893e04d787586bea82972f1d8aac5e9c2faa5a2e43dcc67d9a033d55c465d6243f1b30b0414eeab66b4765c78dc64e57ec21bc6fb674
ripemd-160 0fc9d42df4515a6e2a5bd16331902e2c22c8e439

20946945 as geometric shapes

Circle

Radius = n
Diameter 41893890
Circumference 131613537.0543
Area 1.3784507609659E+15

Sphere

Radius = n
Volume 3.8499109700215E+22
Surface area 5.5138030438637E+15
Circumference 131613537.0543

Square

Length = n
Perimeter 83787780
Area 438774504833025
Diagonal 29623453.709283

Cube

Length = n
Surface area 2632647028998150
Volume 9.1909854201396E+21
Space diagonal 36281173.003351

Equilateral Triangle

Length = n
Perimeter 62840835
Area 1.8999493385917E+14
Altitude 18140586.501675

Triangular Pyramid

Length = n
Surface area 1.8999493385917E+14
Volume 1.0831680193946E+21
Height 9874484.5697611