20408908 (number)

20408908 is an even 8-digits composite number following 20408907 and preceding 20408909. In scientific notation, it is written as 2.0408908 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 8865024 positive integers (up to 20408908) that are relatively prime to 20408908.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand nine hundred eight

Notation

Scientific notation 2.0408908 × 10^7
Engineering notation 2.0408908 × 10^6

Prime Factorization of 20408908

Prime Factorization 2 × 2 × 221 × 23087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10204454
Product of the distinct prime numbers

The prime factorization of 20408908 is 2 × 2 × 221 × 23087. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 20, 23, 383, 385, 2252, 6293, 92777, 85889, 97360, 242458, 3120596, 1870476, 44687850, 7797431, 10169669, 542566581, 5818612830, 3533683650

Basic calculations (n = 20408908)

Multiplication

n×y
n×2 40817816
n×3 61226724
n×4 81635632
n×5 102044540

Division

n÷y
n÷2 10204454
n÷3 6802969.3333333
n÷3 5102227
n÷5 4081781.6

Exponentiation

ny
n2 416523525752464
n3 8.5007903169177E+21
n4 1.7349184750526E+29
n5 3.540779154485E+36

Nth Root

y√n
2√n 4517.6219408003
3√n 273.27920734061
4√n 67.213257180412
5√n 28.971031183854

Divisors of 20408908

1, 2, 4, 221, 442, 884, 23087, 46174, 92348, 5102227, 10204454, 20408908

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 -20408907
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 20408908 can be divided by 12 positive divisors. The sum of these divisors (counting 20408908) is 1, the average is 0.083333333333333.

Base conversion 20408908

Base System Value
2 Binary 1001101110110101001001100
3 Ternary 1102101212202111
4 Quaternary 1031312221030
5 Quinary 20211041113
6 Senary 2005233404
8 Octal 115665114
10 Decimal 20408908
12 Duodecimal 6a02864
16 Hexadecimal 1376a4c
20 Vigesimal 67b258
36 Base36 c5fm4

Cryptographic Hash Functions

md5 2d9d4693c558aafef1a879de75bef48f
sha1 26279295bc6289e6e6cfc329f52fa9ee9a17816a
sha256 3138524e59433efeaa1572184d2c8256086ddc86de761bb5fdadbc2491e1f0b4
sha512 5626f05c9b9c01f604445d353992bfc87320f1eea056c855b901b7b50e5ea30b2ae65d6c7c17ed258a89c7eeeb049747bc79073c781d2db21a0fb3e40f0e96f1
ripemd-160 fab59ee82397c98d9c184a0a10f61c0bfe01529d

20408908 as geometric shapes

Circle

Radius = n
Diameter 40817816
Circumference 128232950.88118
Area 1.3085472485513E+15

Sphere

Radius = n
Volume 3.5608027212448E+22
Surface area 5.234188994205E+15
Circumference 128232950.88118

Square

Length = n
Perimeter 81635632
Area 416523525752464
Diagonal 28862554.486825

Cube

Length = n
Surface area 2499141154514784
Volume 8.5007903169177E+21
Space diagonal 35349265.582999

Equilateral Triangle

Length = n
Perimeter 61226724
Area 1.8035997728775E+14
Altitude 17674632.791499

Triangular Pyramid

Length = n
Surface area 1.8035997728775E+14
Volume 1.0018277464229E+21
Height 9620851.4956083