20408865 (number)

20408865 is an odd 8-digits composite number following 20408864 and preceding 20408866. In scientific notation, it is written as 2.0408865 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 10884720 positive integers (up to 20408865) that are relatively prime to 20408865.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand eight hundred sixty-five

Notation

Scientific notation 2.0408865 × 10^7
Engineering notation 2.0408865 × 10^6

Prime Factorization of 20408865

Prime Factorization 15 × 1360591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20408865
Product of the distinct prime numbers

The prime factorization of 20408865 is 15 × 1360591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408865)

Multiplication

n×y
n×2 40817730
n×3 61226595
n×4 81635460
n×5 102044325

Division

n÷y
n÷2 10204432.5
n÷3 6802955
n÷3 5102216.25
n÷5 4081773

Exponentiation

ny
n2 416521770588225
n3 8.5007365854961E+21
n4 1.7349038537395E+29
n5 3.5407418538949E+36

Nth Root

y√n
2√n 4517.6171816567
3√n 273.27901541438
4√n 67.213221777093
5√n 28.971018975896

Divisors of 20408865

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 -20408864
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 20408865 can be divided by 4 positive divisors. The sum of these divisors (counting 20408865) is 1, the average is 0.25.

Base conversion 20408865

Base System Value
2 Binary 1001101110110101000100001
3 Ternary 1102101212200220
4 Quaternary 1031312220201
5 Quinary 20211040430
6 Senary 2005233253
8 Octal 115665041
10 Decimal 20408865
12 Duodecimal 6a02829
16 Hexadecimal 1376a21
20 Vigesimal 67b235
36 Base36 c5fkx

Cryptographic Hash Functions

md5 b2ca24b13514f4f07a6fee72964e0ec0
sha1 98b60b119b0281013043b7f8cba59b1038759875
sha256 9cf11c502010a4222253561a1a12592f38c1d0e9d5a5d7635143531d90fafa5c
sha512 b11e12ed259837e939601efa3f012a5bc487db7daf1b7cd0685bc312f12870df3248de746784d7a5f1464aba9c45ddffd425c540503c7793baf462e3fcaa3218
ripemd-160 22d8d18ca0329bddc9c1d44db4d844166fe27f06

20408865 as geometric shapes

Circle

Radius = n
Diameter 40817730
Circumference 128232680.70421
Area 1.3085417345402E+15

Sphere

Radius = n
Volume 3.5607802142795E+22
Surface area 5.2341669381607E+15
Circumference 128232680.70421

Square

Length = n
Perimeter 81635460
Area 416521770588225
Diagonal 28862493.675642

Cube

Length = n
Surface area 2499130623529350
Volume 8.5007365854961E+21
Space diagonal 35349191.104814

Equilateral Triangle

Length = n
Perimeter 61226595
Area 1.8035921727934E+14
Altitude 17674595.552407

Triangular Pyramid

Length = n
Surface area 1.8035921727934E+14
Volume 1.0018214141141E+21
Height 9620831.2252139