20647688 (number)

20647688 is an even 8-digits composite number following 20647687 and preceding 20647689. In scientific notation, it is written as 2.0647688 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 10279696 positive integers (up to 20647688) that are relatively prime to 20647688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0647688 × 10^7
Engineering notation 2.0647688 × 10^6

Prime Factorization of 20647688

Prime Factorization 2 × 2 × 2 × 239 × 10799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5161922
Product of the distinct prime numbers

The prime factorization of 20647688 is 2 × 2 × 2 × 239 × 10799. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 79, 4, 8, 967, 4726, 9295, 38548, 52007, 592724, 165393, 948655, 4517158, 32032858, 54090399, 384895653, 586614873, 9368160265, 5424379266

Basic calculations (n = 20647688)

Multiplication

n×y
n×2 41295376
n×3 61943064
n×4 82590752
n×5 103238440

Division

n÷y
n÷2 10323844
n÷3 6882562.6666667
n÷3 5161922
n÷5 4129537.6

Exponentiation

ny
n2 426327019745344
n3 8.8026672896717E+21
n4 1.8175472776495E+29
n5 3.7528149114156E+36

Nth Root

y√n
2√n 4543.9727111857
3√n 274.34084777531
4√n 67.408995773455
5√n 29.038507150408

Divisors of 20647688

1, 2, 4, 8, 239, 478, 956, 1912, 10799, 21598, 43196, 86392, 2580961, 5161922, 10323844, 20647688

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 -20647687
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 20647688 can be divided by 16 positive divisors. The sum of these divisors (counting 20647688) is 1, the average is 0.0625.

Base conversion 20647688

Base System Value
2 Binary 1001110110000111100001000
3 Ternary 1102212000022012
4 Quaternary 1032300330020
5 Quinary 20241211223
6 Senary 2014315052
8 Octal 116607410
10 Decimal 20647688
12 Duodecimal 6ab8a88
16 Hexadecimal 13b0f08
20 Vigesimal 690j48
36 Base36 cajuw

Cryptographic Hash Functions

md5 6a338c32e43d637490d688f7ef264dcd
sha1 a76f04298b726ca45441745ff576411eba288787
sha256 e7697729ce373a5edf1a498797af88cd577898532244e2a65e124fb798476154
sha512 e8930f361c57388fbf3b31093ad10ec739f463c1d65507644530812868a883a769b65762f713c0a5d90dd013602ca143b5a94d5c6bd902e0de782f5fd738dc52
ripemd-160 040b9a9a4678c903dfbaab9a8e1f2f158f467290

20647688 as geometric shapes

Circle

Radius = n
Diameter 41295376
Circumference 129733249.86883
Area 1.3393458332588E+15

Sphere

Radius = n
Volume 3.687252651897E+22
Surface area 5.3573833330352E+15
Circumference 129733249.86883

Square

Length = n
Perimeter 82590752
Area 426327019745344
Diagonal 29200240.401248

Cube

Length = n
Surface area 2557962118472064
Volume 8.8026672896717E+21
Space diagonal 35762844.67483

Equilateral Triangle

Length = n
Perimeter 61943064
Area 1.8460501470959E+14
Altitude 17881422.337415

Triangular Pyramid

Length = n
Surface area 1.8460501470959E+14
Volume 1.0374042888426E+21
Height 9733413.4670827