20681289 (number)

20681289 is an odd 8-digits composite number following 20681288 and preceding 20681290. In scientific notation, it is written as 2.0681289 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13397280 positive integers (up to 20681289) that are relatively prime to 20681289.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand two hundred eighty-nine

Notation

Scientific notation 2.0681289 × 10^7
Engineering notation 2.0681289 × 10^6

Prime Factorization of 20681289

Prime Factorization 9 × 53 × 191 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20681289
Product of the distinct prime numbers

The prime factorization of 20681289 is 9 × 53 × 191 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 7, 92, 667, 714, 7389, 6560, 48985, 73213, 361063, 680919, 8920180, 1070973, 10546223, 82984249, 553165701, 386101460, 2271043378, 6218412056

Basic calculations (n = 20681289)

Multiplication

n×y
n×2 41362578
n×3 62043867
n×4 82725156
n×5 103406445

Division

n÷y
n÷2 10340644.5
n÷3 6893763
n÷3 5170322.25
n÷5 4136257.8

Exponentiation

ny
n2 427715714701521
n3 8.8457123055837E+21
n4 1.8294073260263E+29
n5 3.7834501608268E+36

Nth Root

y√n
2√n 4547.6685235404
3√n 274.48958324909
4√n 67.436403548383
5√n 29.047952162958

Divisors of 20681289

1, 9, 53, 191, 227, 477, 1719, 2043, 10123, 12031, 43357, 91107, 108279, 390213, 2297921, 20681289

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 -20681288
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 20681289 can be divided by 16 positive divisors. The sum of these divisors (counting 20681289) is 1, the average is 0.0625.

Base conversion 20681289

Base System Value
2 Binary 1001110111001001001001001
3 Ternary 1102220201101200
4 Quaternary 1032321021021
5 Quinary 20243300124
6 Senary 2015134413
8 Octal 116711111
10 Decimal 20681289
12 Duodecimal 6b14409
16 Hexadecimal 13b9249
20 Vigesimal 695349
36 Base36 cb9s9

Cryptographic Hash Functions

md5 65abde130671f39ec011d07b014b0dd7
sha1 37e8ea8376dc356464a54d5218542e4a30be859c
sha256 af945462e35115afa4c5ceeacda998368ee3c9928bfd868550cb27b5a517fc0a
sha512 b5bb668e1626391c63e11e2f0870d959f2ffbef48e93d9e35d24f3b9dcd25a34377c3f8cf2bb7a5af1c4f848c2bec091f8ebfcc7f300be8ade8acf7cc5b6b150
ripemd-160 48e24b88843f37baff8e2a033c4a54a65cabde2a

20681289 as geometric shapes

Circle

Radius = n
Diameter 41362578
Circumference 129944371.17833
Area 1.3437085471312E+15

Sphere

Radius = n
Volume 3.7052833059987E+22
Surface area 5.3748341885248E+15
Circumference 129944371.17833

Square

Length = n
Perimeter 82725156
Area 427715714701521
Diagonal 29247759.391158

Cube

Length = n
Surface area 2566294288209126
Volume 8.8457123055837E+21
Space diagonal 35821043.314015

Equilateral Triangle

Length = n
Perimeter 62043867
Area 1.8520633726467E+14
Altitude 17910521.657008

Triangular Pyramid

Length = n
Surface area 1.8520633726467E+14
Volume 1.0424771926173E+21
Height 9749253.1303858