20921669 (number)

20921669 is an odd 8-digits composite number following 20921668 and preceding 20921670. In scientific notation, it is written as 2.0921669 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20604816 positive integers (up to 20921669) that are relatively prime to 20921669.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921669 × 10^7
Engineering notation 2.0921669 × 10^6

Prime Factorization of 20921669

Prime Factorization 91361 × 229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921669
Product of the distinct prime numbers

The prime factorization of 20921669 is 91361 × 229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921669)

Multiplication

n×y
n×2 41843338
n×3 62765007
n×4 83686676
n×5 104608345

Division

n÷y
n÷2 10460834.5
n÷3 6973889.6666667
n÷3 5230417.25
n÷5 4184333.8

Exponentiation

ny
n2 437716233745561
n3 9.1577541583513E+21
n4 1.915955012844E+29
n5 4.0084976597613E+36

Nth Root

y√n
2√n 4574.021097459
3√n 275.54895962672
4√n 67.631509649416
5√n 29.115165651126

Divisors of 20921669

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921668
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921669 can be divided by 4 positive divisors. The sum of these divisors (counting 20921669) is 1, the average is 0.25.

Base conversion 20921669

Base System Value
2 Binary 1001111110011110101000101
3 Ternary 1110100221010122
4 Quaternary 1033303311011
5 Quinary 20323443134
6 Senary 2024231325
8 Octal 117636505
10 Decimal 20921669
12 Duodecimal 700b545
16 Hexadecimal 13f3d45
20 Vigesimal 6af439
36 Base36 cgf9h

Cryptographic Hash Functions

md5 60d7703ff21c39ea2e1ccf4970599570
sha1 21221e3e3a481aa098029c22c042b76cf05fedd8
sha256 28e2e15729e19bdc3078bf666e34a84ee1e9759f727401d5d5444a7ed98ebac6
sha512 709ad733a2cd014b766bb6c670637d41de9a1d5c92f392e8094752dcf76465fcb60f5cda04190305b11128e3588784a90cf446227e822e5e064000e975e1c07f
ripemd-160 c3b9747f1169d2338f7ca4bc1878cebc45b660f8

20921669 as geometric shapes

Circle

Radius = n
Diameter 41843338
Circumference 131454723.26247
Area 1.375126104292E+15

Sphere

Radius = n
Volume 3.8359910916344E+22
Surface area 5.5005044171682E+15
Circumference 131454723.26247

Square

Length = n
Perimeter 83686676
Area 437716233745561
Diagonal 29587708.047281

Cube

Length = n
Surface area 2626297402473366
Volume 9.1577541583513E+21
Space diagonal 36237393.687139

Equilateral Triangle

Length = n
Perimeter 62765007
Area 1.8953668903625E+14
Altitude 18118696.843569

Triangular Pyramid

Length = n
Surface area 1.8953668903625E+14
Volume 1.0792516776349E+21
Height 9862569.3490936