20408890 (number)

20408890 is an even 8-digits composite number following 20408889 and preceding 20408891. In scientific notation, it is written as 2.0408890 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8103424 positive integers (up to 20408890) that are relatively prime to 20408890.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand eight hundred ninety

Notation

Scientific notation 2.0408890 × 10^7
Engineering notation 2.0408890 × 10^6

Prime Factorization of 20408890

Prime Factorization 2 × 5 × 137 × 14897

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20408890
Product of the distinct prime numbers

The prime factorization of 20408890 is 2 × 5 × 137 × 14897. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 85, 68, 839, 926, 7508, 9399, 59706, 27242, 834226, 199427, 3473025, 522179, 36210338, 6788305, 291906779, 921363837, 6489764226, 7218312562

Basic calculations (n = 20408890)

Multiplication

n×y
n×2 40817780
n×3 61226670
n×4 81635560
n×5 102044450

Division

n÷y
n÷2 10204445
n÷3 6802963.3333333
n÷3 5102222.5
n÷5 4081778

Exponentiation

ny
n2 416522791032100
n3 8.5007678246671E+21
n4 1.7349123544917E+29
n5 3.5407635402462E+36

Nth Root

y√n
2√n 4517.6199486013
3√n 273.27912699943
4√n 67.213242360425
5√n 28.971026073549

Divisors of 20408890

1, 2, 5, 10, 137, 274, 685, 1370, 14897, 29794, 74485, 148970, 2040889, 4081778, 10204445, 20408890

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 -20408889
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 20408890 can be divided by 16 positive divisors. The sum of these divisors (counting 20408890) is 1, the average is 0.0625.

Base conversion 20408890

Base System Value
2 Binary 1001101110110101000111010
3 Ternary 1102101212201211
4 Quaternary 1031312220322
5 Quinary 20211041030
6 Senary 2005233334
8 Octal 115665072
10 Decimal 20408890
12 Duodecimal 6a0284a
16 Hexadecimal 1376a3a
20 Vigesimal 67b24a
36 Base36 c5flm

Cryptographic Hash Functions

md5 953892bd4668f493b9e37c095aac0dde
sha1 e8f41838deb3482700427e941a27d8fe6f74e1bb
sha256 006a33d0b55545d65b120d1d53d57318df94f33db611ba7cff7e33217bb7d85b
sha512 48e766f31e764182a2998fba93c613265761734943e4eb1d8a072421578e6666f0341b3a9a8e1041cfb40eb0578797204a813195ca539a909286e36ac3e5ca61
ripemd-160 6497b95223c140ece7d1a241464961fb9d08563c

20408890 as geometric shapes

Circle

Radius = n
Diameter 40817780
Circumference 128232837.78384
Area 1.3085449403592E+15

Sphere

Radius = n
Volume 3.5607932997129E+22
Surface area 5.2341797614366E+15
Circumference 128232837.78384

Square

Length = n
Perimeter 81635560
Area 416522791032100
Diagonal 28862529.030981

Cube

Length = n
Surface area 2499136746192600
Volume 8.5007678246671E+21
Space diagonal 35349234.406084

Equilateral Triangle

Length = n
Perimeter 61226670
Area 1.803596591445E+14
Altitude 17674617.203042

Triangular Pyramid

Length = n
Surface area 1.803596591445E+14
Volume 1.0018250956858E+21
Height 9620843.0103269