20809488 (number)

20809488 is an even 8-digits composite number following 20809487 and preceding 20809489. In scientific notation, it is written as 2.0809488 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 5945472 positive integers (up to 20809488) that are relatively prime to 20809488.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand four hundred eighty-eight

Notation

Scientific notation 2.0809488 × 10^7
Engineering notation 2.0809488 × 10^6

Prime Factorization of 20809488

Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 61933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2601186
Product of the distinct prime numbers

The prime factorization of 20809488 is 2 × 2 × 2 × 2 × 3 × 7 × 61933. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 4, 54, 29, 229, 956, 8317, 1481, 59706, 78544, 667438, 812182, 1729805, 2225599, 94164409, 53337588, 472100188, 823141539, 2754133587, 2875941503

Basic calculations (n = 20809488)

Multiplication

n×y
n×2 41618976
n×3 62428464
n×4 83237952
n×5 104047440

Division

n÷y
n÷2 10404744
n÷3 6936496
n÷3 5202372
n÷5 4161897.6

Exponentiation

ny
n2 433034790822144
n3 9.0112322831959E+21
n4 1.8751913006238E+29
n5 3.9021770868035E+36

Nth Root

y√n
2√n 4561.7417726127
3√n 275.05558325506
4√n 67.540667546396
5√n 29.08387564041

Divisors of 20809488

1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61933, 123866, 185799, 247732, 371598, 433531, 495464, 743196, 867062, 990928, 1300593, 1486392, 1734124, 2601186, 2972784, 3468248, 5202372, 6936496, 10404744, 20809488

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809488 can be divided by 40 positive divisors. The sum of these divisors (counting 20809488) is 1, the average is 0.025.

Base conversion 20809488

Base System Value
2 Binary 1001111011000011100010000
3 Ternary 1110011020020210
4 Quaternary 1033120130100
5 Quinary 20311400423
6 Senary 2022004120
8 Octal 117303420
10 Decimal 20809488
12 Duodecimal 6b76640
16 Hexadecimal 13d8710
20 Vigesimal 6a13e8
36 Base36 ce0pc

Cryptographic Hash Functions

md5 60834c9fbe579f56aa74f302c78ff628
sha1 7f5a4a7a63b58009fc20494f5c885a02b162bbef
sha256 798565fa289d7341ca49c0fffc97625b6f1232cbe680ea65e054e5c3983d9b5e
sha512 cc66f46c7f914b2bcfa4da3da7f72a669fcf9b9ce25f293d6134f17b06cda9c5f7cfa0b2f725e8b8b4a2d3757b80e6c5ccecfcc086374cded71b5c4b4549f832
ripemd-160 94c23983ec32b6964476d9d274eeccd5b251f09a

20809488 as geometric shapes

Circle

Radius = n
Diameter 41618976
Circumference 130749869.25153
Area 1.3604189175956E+15

Sphere

Radius = n
Volume 3.7746161520906E+22
Surface area 5.4416756703826E+15
Circumference 130749869.25153

Square

Length = n
Perimeter 83237952
Area 433034790822144
Diagonal 29429060.15564

Cube

Length = n
Surface area 2598208744932864
Volume 9.0112322831959E+21
Space diagonal 36043090.495495

Equilateral Triangle

Length = n
Perimeter 62428464
Area 1.8750956478723E+14
Altitude 18021545.247747

Triangular Pyramid

Length = n
Surface area 1.8750956478723E+14
Volume 1.0619839090492E+21
Height 9809686.7185467