20804908 (number)

20804908 is an even 8-digits composite number following 20804907 and preceding 20804909. In scientific notation, it is written as 2.0804908 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10384992 positive integers (up to 20804908) that are relatively prime to 20804908.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand nine hundred eight

Notation

Scientific notation 2.0804908 × 10^7
Engineering notation 2.0804908 × 10^6

Prime Factorization of 20804908

Prime Factorization 2 × 2 × 643 × 8089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10402454
Product of the distinct prime numbers

The prime factorization of 20804908 is 2 × 2 × 643 × 8089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 68, 99, 379, 831, 3769, 8591, 14485, 11585, 801543, 594612, 2549677, 3657019, 34360275, 42940552, 717557778, 237729016, 7863158863, 283421348

Basic calculations (n = 20804908)

Multiplication

n×y
n×2 41609816
n×3 62414724
n×4 83219632
n×5 104024540

Division

n÷y
n÷2 10402454
n÷3 6934969.3333333
n÷3 5201227
n÷5 4160981.6

Exponentiation

ny
n2 432844196888464
n3 9.0052836945984E+21
n4 1.8735409878002E+29
n5 3.8978847885412E+36

Nth Root

y√n
2√n 4561.2397437539
3√n 275.03540260472
4√n 67.536950950971
5√n 29.082595302529

Divisors of 20804908

1, 2, 4, 643, 1286, 2572, 8089, 16178, 32356, 5201227, 10402454, 20804908

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 -20804907
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 20804908 can be divided by 12 positive divisors. The sum of these divisors (counting 20804908) is 1, the average is 0.083333333333333.

Base conversion 20804908

Base System Value
2 Binary 1001111010111010100101100
3 Ternary 1110010222222011
4 Quaternary 1033113110230
5 Quinary 20311224113
6 Senary 2021531004
8 Octal 117272454
10 Decimal 20804908
12 Duodecimal 6b73a64
16 Hexadecimal 13d752c
20 Vigesimal 6a0c58
36 Base36 cdx64

Cryptographic Hash Functions

md5 272e68ebe2c66c63fe582ffb27a99fdf
sha1 ad1e5d2cbef467dbbab684cc610143242f84a1ca
sha256 2efbaeb558f80deeed2612d953558a42018b31fc6867567a2f23cff0521b6827
sha512 99995aef8cc3b8fee28f04658b7de85a3bb5c12f695f2511b062476674a01ce0e7b7a57adc08ce5dbda5ec647542ff9f61aa40fbeb4bebf8745c2f2157ef6b72
ripemd-160 a45a4780bd5f69c9ff58dd21756a16924c4c5cc7

20804908 as geometric shapes

Circle

Radius = n
Diameter 41609816
Circumference 130721092.26282
Area 1.3598201490938E+15

Sphere

Radius = n
Volume 3.7721244131256E+22
Surface area 5.4392805963751E+15
Circumference 130721092.26282

Square

Length = n
Perimeter 83219632
Area 432844196888464
Diagonal 29422583.057525

Cube

Length = n
Surface area 2597065181330784
Volume 9.0052836945984E+21
Space diagonal 36035157.702796

Equilateral Triangle

Length = n
Perimeter 62414724
Area 1.8742703519304E+14
Altitude 18017578.851398

Triangular Pyramid

Length = n
Surface area 1.8742703519304E+14
Volume 1.0612828611599E+21
Height 9807527.6858415