20686949 (number)

20686949 is an odd 8-digits prime number following 20686948 and preceding 20686950. In scientific notation, it is written as 2.0686949 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 20686948 positive integers (up to 20686949) that are relatively prime to 20686949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686949 × 10^7
Engineering notation 2.0686949 × 10^6

Prime Factorization of 20686949

Prime Factorization 20686949

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20686949
Product of the distinct prime numbers

The prime factorization of 20686949 is 20686949. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686949)

Multiplication

n×y
n×2 41373898
n×3 62060847
n×4 82747796
n×5 103434745

Division

n÷y
n÷2 10343474.5
n÷3 6895649.6666667
n÷3 5171737.25
n÷5 4137389.8

Exponentiation

ny
n2 427949858928601
n3 8.8529769062132E+21
n4 1.8314108175701E+29
n5 3.7886302181121E+36

Nth Root

y√n
2√n 4548.2907778637
3√n 274.51462149072
4√n 67.441017028687
5√n 29.049541942143

Divisors of 20686949

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20686950
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10343475
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4548.2908877951
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999033207
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686949 can be divided by 2 positive divisors. The sum of these divisors (counting 20686949) is 20686950, the average is 10343475.

Base conversion 20686949

Base System Value
2 Binary 1001110111010100001100101
3 Ternary 1102221000011022
4 Quaternary 1032322201211
5 Quinary 20243440244
6 Senary 2015220525
8 Octal 116724145
10 Decimal 20686949
12 Duodecimal 6b17745
16 Hexadecimal 13ba865
20 Vigesimal 695h79
36 Base36 cbe5h

Cryptographic Hash Functions

md5 6f95397ff9e0b7f47347012d03bcd896
sha1 57519be11ea38083edc57e3db764cffb33ef1a72
sha256 ec166027334b8a14401b733e786df560122713e61c17cd14b125e65f82d404dd
sha512 63ec67a6347d8c2e6cc9387ad6b2e8f3dd784319007f56a6b794be93add8a527ae618ee1eb4dae8d2ba82ee3344d6a0f353cf9a00a8925030b1d4d71255818e2
ripemd-160 f54f4cee0c09e69d6374375a85d5b563a7ba4941

20686949 as geometric shapes

Circle

Radius = n
Diameter 41373898
Circumference 129979934.00717
Area 1.3444441329149E+15

Sphere

Radius = n
Volume 3.7083262947946E+22
Surface area 5.3777765316595E+15
Circumference 129979934.00717

Square

Length = n
Perimeter 82747796
Area 427949858928601
Diagonal 29255763.839921

Cube

Length = n
Surface area 2567699153571606
Volume 8.8529769062132E+21
Space diagonal 35830846.721586

Equilateral Triangle

Length = n
Perimeter 62060847
Area 1.8530772468907E+14
Altitude 17915423.360793

Triangular Pyramid

Length = n
Surface area 1.8530772468907E+14
Volume 1.0433333340119E+21
Height 9751921.2799735