20687400 (number)

20687400 is an even 8-digits composite number following 20687399 and preceding 20687401. In scientific notation, it is written as 2.0687400 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 56 positive divisors. There are 5512320 positive integers (up to 20687400) that are relatively prime to 20687400.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand four hundred

Notation

Scientific notation 2.0687400 × 10^7
Engineering notation 2.0687400 × 10^6

Prime Factorization of 20687400

Prime Factorization 2 × 2 × 2 × 9 × 5 × 45 × 1277

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5171850
Product of the distinct prime numbers

The prime factorization of 20687400 is 2 × 2 × 2 × 9 × 5 × 45 × 1277. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 2, 60, 91, 92, 739, 4536, 8618, 76482, 99041, 653238, 542765, 2998455, 7329524, 80597746, 10254478, 297129258, 610551692, 5431030979, 6138676182

Basic calculations (n = 20687400)

Multiplication

n×y
n×2 41374800
n×3 62062200
n×4 82749600
n×5 103437000

Division

n÷y
n÷2 10343700
n÷3 6895800
n÷3 5171850
n÷5 4137480

Exponentiation

ny
n2 427968518760000
n3 8.8535559349956E+21
n4 1.8315705304963E+29
n5 3.7890432192589E+36

Nth Root

y√n
2√n 4548.3403566576
3√n 274.51661639089
4√n 67.441384599203
5√n 29.049668603926

Divisors of 20687400

1, 2, 4, 5, 8, 9, 10, 18, 20, 36, 40, 45, 72, 90, 180, 225, 360, 405, 450, 810, 900, 1277, 1620, 1800, 2025, 2554, 3240, 4050, 5108, 6385, 8100, 10216, 11493, 12770, 16200, 22986, 25540, 45972, 51080, 57465, 91944, 114930, 229860, 287325, 459720, 517185, 574650, 1034370, 1149300, 2068740, 2298600, 2585925, 4137480, 5171850, 10343700, 20687400

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687399
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687400 can be divided by 56 positive divisors. The sum of these divisors (counting 20687400) is 1, the average is 0.017857142857143.

Base conversion 20687400

Base System Value
2 Binary 1001110111010101000101000
3 Ternary 1102221000210000
4 Quaternary 1032322220220
5 Quinary 20243444100
6 Senary 2015223000
8 Octal 116725050
10 Decimal 20687400
12 Duodecimal 6b17a60
16 Hexadecimal 13baa28
20 Vigesimal 695ia0
36 Base36 cbei0

Cryptographic Hash Functions

md5 f52b5d9da0a4148371909a5c81f7d4cf
sha1 874a69752ca8a44d01d624bbabac1f89f35d10d9
sha256 1f729bfcd27b3bb76b9e36bf4a0456e2b3aa7f26755fd5c34000a99bdf652e06
sha512 7921288685ab32f49505422f41630419c6c784e11da45a09361e24ea7408b99fe06acc06c62c784baf23cd530fe5c7d66a5048022ec9f80e50992cfbc34159f6
ripemd-160 e81adda40fb2fc862217928db4b2ca4d6bbd06f8

20687400 as geometric shapes

Circle

Radius = n
Diameter 41374800
Circumference 129982767.72375
Area 1.3445027545041E+15

Sphere

Radius = n
Volume 3.7085688378038E+22
Surface area 5.3780110180165E+15
Circumference 129982767.72375

Square

Length = n
Perimeter 82749600
Area 427968518760000
Diagonal 29256401.650237

Cube

Length = n
Surface area 2567811112560000
Volume 8.8535559349956E+21
Space diagonal 35831627.8765

Equilateral Triangle

Length = n
Perimeter 62062200
Area 1.8531580463308E+14
Altitude 17915813.93825

Triangular Pyramid

Length = n
Surface area 1.8531580463308E+14
Volume 1.0434015732083E+21
Height 9752133.8834124