20668749 (number)

20668749 is an odd 8-digits composite number following 20668748 and preceding 20668750. In scientific notation, it is written as 2.0668749 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13734240 positive integers (up to 20668749) that are relatively prime to 20668749.

Interesting facts

Basic properties

Name

Name twenty million six hundred sixty-eight thousand seven hundred forty-nine

Notation

Scientific notation 2.0668749 × 10^7
Engineering notation 2.0668749 × 10^6

Prime Factorization of 20668749

Prime Factorization 3 × 311 × 22153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20668749
Product of the distinct prime numbers

The prime factorization of 20668749 is 3 × 311 × 22153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20668749)

Multiplication

n×y
n×2 41337498
n×3 62006247
n×4 82674996
n×5 103343745

Division

n÷y
n÷2 10334374.5
n÷3 6889583
n÷3 5167187.25
n÷5 4133749.8

Exponentiation

ny
n2 427197185225001
n3 8.8296313949221E+21
n4 1.8249743506416E+29
n5 3.771993678485E+36

Nth Root

y√n
2√n 4546.2895860251
3√n 274.43409355325
4√n 67.426178788547
5√n 29.044428691094

Divisors of 20668749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20668748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20668749 can be divided by 8 positive divisors. The sum of these divisors (counting 20668749) is 1, the average is 0.125.

Base conversion 20668749

Base System Value
2 Binary 1001110110110000101001101
3 Ternary 1102220002012020
4 Quaternary 1032312011031
5 Quinary 20242344444
6 Senary 2015000353
8 Octal 116660515
10 Decimal 20668749
12 Duodecimal 6b090b9
16 Hexadecimal 13b614d
20 Vigesimal 693bh9
36 Base36 cb03x

Cryptographic Hash Functions

md5 70a2314bda21a3b39428ca5108d47b2a
sha1 8a7c5b5b2b260f13bc9151a05835136bf34e5f1e
sha256 b04ab7c9391587dafcb8618ef9146d5232c2d8dedf6df3ce2e61d965fc83233c
sha512 7300d6d58f6617077958c6ee185682e79ab80027868bc8aa9f1f0c71d9af492312496c6963916d996d5229d085a9509db2fcc0623079d25dc1fbf3e769e25a8e
ripemd-160 146a9306ffa55ed193dde5873c265dcd10a5612c

20668749 as geometric shapes

Circle

Radius = n
Diameter 41337498
Circumference 129865580.03458
Area 1.3420795387371E+15

Sphere

Radius = n
Volume 3.6985473498924E+22
Surface area 5.3683181549484E+15
Circumference 129865580.03458

Square

Length = n
Perimeter 82674996
Area 427197185225001
Diagonal 29230025.153085

Cube

Length = n
Surface area 2563183111350006
Volume 8.8296313949221E+21
Space diagonal 35799323.396888

Equilateral Triangle

Length = n
Perimeter 62006247
Area 1.8498180741503E+14
Altitude 17899661.698444

Triangular Pyramid

Length = n
Surface area 1.8498180741503E+14
Volume 1.0405820391212E+21
Height 9743341.7176951