20389949 (number)

20389949 is an odd 8-digits composite number following 20389948 and preceding 20389950. In scientific notation, it is written as 2.0389949 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20374464 positive integers (up to 20389949) that are relatively prime to 20389949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0389949 × 10^7
Engineering notation 2.0389949 × 10^6

Prime Factorization of 20389949

Prime Factorization 1453 × 14033

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20389949
Product of the distinct prime numbers

The prime factorization of 20389949 is 1453 × 14033. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389949)

Multiplication

n×y
n×2 40779898
n×3 61169847
n×4 81559796
n×5 101949745

Division

n÷y
n÷2 10194974.5
n÷3 6796649.6666667
n÷3 5097487.25
n÷5 4077989.8

Exponentiation

ny
n2 415750020222601
n3 8.4771217090878E+21
n4 1.7284807931509E+29
n5 3.5243635219827E+36

Nth Root

y√n
2√n 4515.5231147675
3√n 273.19455957045
4√n 67.197642181609
5√n 28.965646613643

Divisors of 20389949

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 -20389948
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 20389949 can be divided by 4 positive divisors. The sum of these divisors (counting 20389949) is 1, the average is 0.25.

Base conversion 20389949

Base System Value
2 Binary 1001101110010000000111101
3 Ternary 1102100220202022
4 Quaternary 1031302000331
5 Quinary 20204434244
6 Senary 2005005525
8 Octal 115620075
10 Decimal 20389949
12 Duodecimal 69b38a5
16 Hexadecimal 137203d
20 Vigesimal 678eh9
36 Base36 c50zh

Cryptographic Hash Functions

md5 af7ae2c378bd6eed624b3bc8360ea150
sha1 b6123cbef50c20dcbd9c6daeecedc5db769943a8
sha256 cae3cb13d9088145d132b426f63b159ebe7ed80a2d2f8ee0b1e6378c0027e7d8
sha512 54d0d16b81a596d754248a3c3e92314ee989177fc1c6b8d8f5175a48c739dfa70367ed6f3ba1773264821144868fc1aad36ab9054a70ced748b7d7f5c3d58a7a
ripemd-160 cd3de7af92dd5ab2642fe45803572ee23e1ae7ba

20389949 as geometric shapes

Circle

Radius = n
Diameter 40779898
Circumference 128113827.97094
Area 1.3061172092611E+15

Sphere

Radius = n
Volume 3.5508884379809E+22
Surface area 5.2244688370445E+15
Circumference 128113827.97094

Square

Length = n
Perimeter 81559796
Area 415750020222601
Diagonal 28835742.411896

Cube

Length = n
Surface area 2494500121335606
Volume 8.4771217090878E+21
Space diagonal 35316427.631738

Equilateral Triangle

Length = n
Perimeter 61169847
Area 1.8002503956833E+14
Altitude 17658213.815869

Triangular Pyramid

Length = n
Surface area 1.8002503956833E+14
Volume 9.9903837423995E+20
Height 9611914.1372986