20685747 (number)

20685747 is an odd 8-digits composite number following 20685746 and preceding 20685748. In scientific notation, it is written as 2.0685747 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13790496 positive integers (up to 20685747) that are relatively prime to 20685747.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685747 × 10^7
Engineering notation 2.0685747 × 10^6

Prime Factorization of 20685747

Prime Factorization 3 × 6895249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20685747
Product of the distinct prime numbers

The prime factorization of 20685747 is 3 × 6895249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685747)

Multiplication

n×y
n×2 41371494
n×3 62057241
n×4 82742988
n×5 103428735

Division

n÷y
n÷2 10342873.5
n÷3 6895249
n÷3 5171436.75
n÷5 4137149.4

Exponentiation

ny
n2 427900128948009
n3 8.8514338086859E+21
n4 1.8309852035372E+29
n5 3.7875296681115E+36

Nth Root

y√n
2√n 4548.1586383942
3√n 274.50930456415
4√n 67.440037354632
5√n 29.049204353831

Divisors of 20685747

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685746
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685747 can be divided by 4 positive divisors. The sum of these divisors (counting 20685747) is 1, the average is 0.25.

Base conversion 20685747

Base System Value
2 Binary 1001110111010001110110011
3 Ternary 1102220221111210
4 Quaternary 1032322032303
5 Quinary 20243420442
6 Senary 2015211203
8 Octal 116721663
10 Decimal 20685747
12 Duodecimal 6b16b03
16 Hexadecimal 13ba3b3
20 Vigesimal 695e77
36 Base36 cbd83

Cryptographic Hash Functions

md5 1f29756886bca597609b245c91da1f7f
sha1 1ff050788de0ea91a1916bb41beb80219f853bc4
sha256 4f3ecac6d585debe45fde738b9bb08ca43c9db16c8e896fcccbc97a886a38c53
sha512 6241b0db42e5a1ea442331b6f6758a37af68f1074ee8701135a5b63f67e61a1083c9229352a854db1fec427c3a003b3d53deff01b9987e318b0dd19ef5d6e836
ripemd-160 8e782dc6c55d6e7fdbe856bf82a8e335d7ba6117

20685747 as geometric shapes

Circle

Radius = n
Diameter 41371494
Circumference 129972381.61843
Area 1.3442879015732E+15

Sphere

Radius = n
Volume 3.7076799236139E+22
Surface area 5.3771516062928E+15
Circumference 129972381.61843

Square

Length = n
Perimeter 82742988
Area 427900128948009
Diagonal 29254063.955219

Cube

Length = n
Surface area 2567400773688054
Volume 8.8514338086859E+21
Space diagonal 35828764.796515

Equilateral Triangle

Length = n
Perimeter 62057241
Area 1.8528619097581E+14
Altitude 17914382.398258

Triangular Pyramid

Length = n
Surface area 1.8528619097581E+14
Volume 1.0431514782243E+21
Height 9751354.6517395