20908900 (number)

20908900 is an even 8-digits composite number following 20908899 and preceding 20908901. In scientific notation, it is written as 2.0908900 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 8363520 positive integers (up to 20908900) that are relatively prime to 20908900.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eight thousand nine hundred

Notation

Scientific notation 2.0908900 × 10^7
Engineering notation 2.0908900 × 10^6

Prime Factorization of 20908900

Prime Factorization 2 × 2 × 25 × 209089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10454450
Product of the distinct prime numbers

The prime factorization of 20908900 is 2 × 2 × 25 × 209089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 57, 46, 393, 961, 7568, 258, 14009, 76283, 952435, 563555, 7153250, 1006076, 21698296, 75366585, 889624510, 576136479, 5855164236, 8290789133

Basic calculations (n = 20908900)

Multiplication

n×y
n×2 41817800
n×3 62726700
n×4 83635600
n×5 104544500

Division

n÷y
n÷2 10454450
n÷3 6969633.3333333
n÷3 5227225
n÷5 4181780

Exponentiation

ny
n2 437182099210000
n3 9.140996794172E+21
n4 1.9112818786966E+29
n5 3.996280167348E+36

Nth Root

y√n
2√n 4572.625066633
3√n 275.49289015614
4√n 67.621188000751
5√n 29.111610845399

Divisors of 20908900

1, 2, 4, 25, 50, 100, 209089, 418178, 836356, 5227225, 10454450, 20908900

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 -20908899
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 20908900 can be divided by 12 positive divisors. The sum of these divisors (counting 20908900) is 1, the average is 0.083333333333333.

Base conversion 20908900

Base System Value
2 Binary 1001111110000101101100100
3 Ternary 1110100021121201
4 Quaternary 1033300231210
5 Quinary 20323041100
6 Senary 2024052244
8 Octal 117605544
10 Decimal 20908900
12 Duodecimal 7004084
16 Hexadecimal 13f0b64
20 Vigesimal 6adc50
36 Base36 cg5es

Cryptographic Hash Functions

md5 08061bc1f2eb154e0d8eb6d5d45197ed
sha1 8a9cfd393ccebf7e2d518dacec3152ae7aea3f75
sha256 fcb6db3295a28c00d687345931dcbb51c69f02de4f39c95e9d86d349f51bd4dc
sha512 f92ea055dc38479c938f380de1291afb3301bd59b4d3ee805453c75ba82871122449a6e82f341a9f38719db359735f94848288b4666ba0f1d31e2954e18ad761
ripemd-160 a002283584720d1d3e5b2739dc86dde4fcde43d5

20908900 as geometric shapes

Circle

Radius = n
Diameter 41817800
Circumference 131374493.26929
Area 1.3734480711591E+15

Sphere

Radius = n
Volume 3.8289717833411E+22
Surface area 5.4937922846364E+15
Circumference 131374493.26929

Square

Length = n
Perimeter 83635600
Area 437182099210000
Diagonal 29569649.954303

Cube

Length = n
Surface area 2623092595260000
Volume 9.140996794172E+21
Space diagonal 36215277.130377

Equilateral Triangle

Length = n
Perimeter 62726700
Area 1.8930540199783E+14
Altitude 18107638.565188

Triangular Pyramid

Length = n
Surface area 1.8930540199783E+14
Volume 1.0772768033272E+21
Height 9856549.9847676