20687045 (number)

20687045 is an odd 8-digits composite number following 20687044 and preceding 20687046. In scientific notation, it is written as 2.0687045 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 15485184 positive integers (up to 20687045) that are relatively prime to 20687045.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand forty-five

Notation

Scientific notation 2.0687045 × 10^7
Engineering notation 2.0687045 × 10^6

Prime Factorization of 20687045

Prime Factorization 5 × 17 × 199 × 1223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687045
Product of the distinct prime numbers

The prime factorization of 20687045 is 5 × 17 × 199 × 1223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 39, 69, 215, 648, 9328, 8278, 14148, 15978, 335295, 526117, 4880927, 3217459, 40145576, 39053201, 365686662, 430185898, 5246446063, 1432936812

Basic calculations (n = 20687045)

Multiplication

n×y
n×2 41374090
n×3 62061135
n×4 82748180
n×5 103435225

Division

n÷y
n÷2 10343522.5
n÷3 6895681.6666667
n÷3 5171761.25
n÷5 4137409

Exponentiation

ny
n2 427953830832025
n3 8.8531001563445E+21
n4 1.8314448132381E+29
n5 3.7887181266472E+36

Nth Root

y√n
2√n 4548.3013312664
3√n 274.51504612822
4√n 67.441095270365
5√n 29.049568903595

Divisors of 20687045

1, 5, 17, 85, 199, 995, 1223, 3383, 6115, 16915, 20791, 103955, 243377, 1216885, 4137409, 20687045

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 -20687044
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 20687045 can be divided by 16 positive divisors. The sum of these divisors (counting 20687045) is 1, the average is 0.0625.

Base conversion 20687045

Base System Value
2 Binary 1001110111010100011000101
3 Ternary 1102221000021212
4 Quaternary 1032322203011
5 Quinary 20243441140
6 Senary 2015221205
8 Octal 116724305
10 Decimal 20687045
12 Duodecimal 6b17805
16 Hexadecimal 13ba8c5
20 Vigesimal 695hc5
36 Base36 cbe85

Cryptographic Hash Functions

md5 1fd4b371a4b068477c13ca52621722ba
sha1 cae125158bf04aca5325f78d4409f1bfd71eb094
sha256 78f4c49f838d55acfaf5f09cd6482c35181c44f3b26578c92cabf1df3eb9ad0e
sha512 9c80bd1f38876319ab543e3051dbac0561da2db30e34e69098e2c9389f2f77a3bb17a24fd0bfbee32ffd2c4f410c7591144d738bce872b453a3109bc3087553d
ripemd-160 a288cb31cbfce5789785422ff62b55e3824f1c96

20687045 as geometric shapes

Circle

Radius = n
Diameter 41374090
Circumference 129980537.19296
Area 1.3444566110175E+15

Sphere

Radius = n
Volume 3.7083779216889E+22
Surface area 5.37782644407E+15
Circumference 129980537.19296

Square

Length = n
Perimeter 82748180
Area 427953830832025
Diagonal 29255899.604423

Cube

Length = n
Surface area 2567722984992150
Volume 8.8531001563445E+21
Space diagonal 35831012.998464

Equilateral Triangle

Length = n
Perimeter 62061135
Area 1.853094445737E+14
Altitude 17915506.499232

Triangular Pyramid

Length = n
Surface area 1.853094445737E+14
Volume 1.0433478591791E+21
Height 9751966.5348075