20647686 (number)

20647686 is an even 8-digits composite number following 20647685 and preceding 20647687. In scientific notation, it is written as 2.0647686 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6874464 positive integers (up to 20647686) that are relatively prime to 20647686.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0647686 × 10^7
Engineering notation 2.0647686 × 10^6

Prime Factorization of 20647686

Prime Factorization 2 × 3 × 1213 × 2837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20647686
Product of the distinct prime numbers

The prime factorization of 20647686 is 2 × 3 × 1213 × 2837. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20647686)

Multiplication

n×y
n×2 41295372
n×3 61943058
n×4 82590744
n×5 103238430

Division

n÷y
n÷2 10323843
n÷3 6882562
n÷3 5161921.5
n÷5 4129537.2

Exponentiation

ny
n2 426326937154596
n3 8.8026647317098E+21
n4 1.8175465734362E+29
n5 3.7528130938686E+36

Nth Root

y√n
2√n 4543.9724911139
3√n 274.34083891747
4√n 67.408994141093
5√n 29.038506587855

Divisors of 20647686

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 -20647685
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 20647686 can be divided by 16 positive divisors. The sum of these divisors (counting 20647686) is 1, the average is 0.0625.

Base conversion 20647686

Base System Value
2 Binary 1001110110000111100000110
3 Ternary 1102212000022010
4 Quaternary 1032300330012
5 Quinary 20241211221
6 Senary 2014315050
8 Octal 116607406
10 Decimal 20647686
12 Duodecimal 6ab8a86
16 Hexadecimal 13b0f06
20 Vigesimal 690j46
36 Base36 cajuu

Cryptographic Hash Functions

md5 384e055bdb4e6c82a83030f762136108
sha1 7d96f72853e75f3a38e0ede81018a6cf2355a326
sha256 e456c6c2900cc3b6cc4b0866820e7cb87ff77964dd0d4a2160b56961da75fec4
sha512 355cd19e40a26f243c2cb08baf6a58ca415a68a276579924b0220c82b550fa0d7e5426629066ef39ee65a0d2483db585705edea6ccdb9d070ab65ca80555e7ca
ripemd-160 8221a6b1043c10230f1ffb26730e5cde54027340

20647686 as geometric shapes

Circle

Radius = n
Diameter 41295372
Circumference 129733237.30246
Area 1.3393455737923E+15

Sphere

Radius = n
Volume 3.6872515804205E+22
Surface area 5.3573822951693E+15
Circumference 129733237.30246

Square

Length = n
Perimeter 82590744
Area 426326937154596
Diagonal 29200237.572821

Cube

Length = n
Surface area 2557961622927576
Volume 8.8026647317098E+21
Space diagonal 35762841.210729

Equilateral Triangle

Length = n
Perimeter 61943058
Area 1.8460497894675E+14
Altitude 17881420.605364

Triangular Pyramid

Length = n
Surface area 1.8460497894675E+14
Volume 1.0374039873839E+21
Height 9733412.5242737