20687538 (number)

20687538 is an even 8-digits composite number following 20687537 and preceding 20687539. In scientific notation, it is written as 2.0687538 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 6435072 positive integers (up to 20687538) that are relatively prime to 20687538.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand five hundred thirty-eight

Notation

Scientific notation 2.0687538 × 10^7
Engineering notation 2.0687538 × 10^6

Prime Factorization of 20687538

Prime Factorization 2 × 3 × 17 × 127 × 1597

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20687538
Product of the distinct prime numbers

The prime factorization of 20687538 is 2 × 3 × 17 × 127 × 1597. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 70, 32, 907, 718, 9361, 8448, 76241, 78546, 540362, 163186, 8566814, 9304645, 55444807, 44038997, 108479743, 484515724, 5451095520, 8684861023

Basic calculations (n = 20687538)

Multiplication

n×y
n×2 41375076
n×3 62062614
n×4 82750152
n×5 103437690

Division

n÷y
n÷2 10343769
n÷3 6895846
n÷3 5171884.5
n÷5 4137507.6

Exponentiation

ny
n2 427974228501444
n3 8.8537331151443E+21
n4 1.8316194026141E+29
n5 3.7891695993116E+36

Nth Root

y√n
2√n 4548.3555270009
3√n 274.51722679801
4√n 67.44149706969
5√n 29.049707360305

Divisors of 20687538

1, 2, 3, 6, 17, 34, 51, 102, 127, 254, 381, 762, 1597, 2159, 3194, 4318, 4791, 6477, 9582, 12954, 27149, 54298, 81447, 162894, 202819, 405638, 608457, 1216914, 3447923, 6895846, 10343769, 20687538

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687538 can be divided by 32 positive divisors. The sum of these divisors (counting 20687538) is 1, the average is 0.03125.

Base conversion 20687538

Base System Value
2 Binary 1001110111010101010110010
3 Ternary 1102221000222010
4 Quaternary 1032322222302
5 Quinary 20244000123
6 Senary 2015223350
8 Octal 116725262
10 Decimal 20687538
12 Duodecimal 6b17b56
16 Hexadecimal 13baab2
20 Vigesimal 695igi
36 Base36 cbelu

Cryptographic Hash Functions

md5 1893161676ca6ed834f38fdb7cdadca6
sha1 7600102d93896aed21fc84b5bc82da3ca7b1059b
sha256 88d8fa384f008ca068093fd5e3474cf9b319818b14bab9ec40a6a13c52768194
sha512 faa10d7e449660eecb247db4510935669d6aeb7d215f01e8edc319bde786a4894725d47c936785be3052cc2de4a53a6f6dd02b2bfef1b33dcf5f1140ce36b557
ripemd-160 60ab0fba68d39b68fa827219e203e0e1279b15dd

20687538 as geometric shapes

Circle

Radius = n
Diameter 41375076
Circumference 129983634.80332
Area 1.3445206921859E+15

Sphere

Radius = n
Volume 3.7086430548509E+22
Surface area 5.3780827687436E+15
Circumference 129983634.80332

Square

Length = n
Perimeter 82750152
Area 427974228501444
Diagonal 29256596.811709

Cube

Length = n
Surface area 2567845371008664
Volume 8.8537331151443E+21
Space diagonal 35831866.899512

Equilateral Triangle

Length = n
Perimeter 62062614
Area 1.8531827702365E+14
Altitude 17915933.449756

Triangular Pyramid

Length = n
Surface area 1.8531827702365E+14
Volume 1.0434224540891E+21
Height 9752198.9372363