20249945 (number)

20249945 is an odd 8-digits composite number following 20249944 and preceding 20249946. In scientific notation, it is written as 2.0249945 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16199952 positive integers (up to 20249945) that are relatively prime to 20249945.

Interesting facts

Basic properties

Name

Name twenty million two hundred forty-nine thousand nine hundred forty-five

Notation

Scientific notation 2.0249945 × 10^7
Engineering notation 2.0249945 × 10^6

Prime Factorization of 20249945

Prime Factorization 5 × 4049989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20249945
Product of the distinct prime numbers

The prime factorization of 20249945 is 5 × 4049989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20249945)

Multiplication

n×y
n×2 40499890
n×3 60749835
n×4 80999780
n×5 101249725

Division

n÷y
n÷2 10124972.5
n÷3 6749981.6666667
n÷3 5062486.25
n÷5 4049989

Exponentiation

ny
n2 410060272503025
n3 8.3036979648713E+21
n4 1.6814942708526E+29
n5 3.4050166502579E+36

Nth Root

y√n
2√n 4499.9938888847
3√n 272.56784215513
4√n 67.081993775414
5√n 28.925759407295

Divisors of 20249945

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 -20249944
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 20249945 can be divided by 4 positive divisors. The sum of these divisors (counting 20249945) is 1, the average is 0.25.

Base conversion 20249945

Base System Value
2 Binary 1001101001111110101011001
3 Ternary 1102002210200222
4 Quaternary 1031033311121
5 Quinary 20140444240
6 Senary 2002005425
8 Octal 115176531
10 Decimal 20249945
12 Duodecimal 6946875
16 Hexadecimal 134fd59
20 Vigesimal 66b4h5
36 Base36 c20yh

Cryptographic Hash Functions

md5 5f2ee443ad0bf07b7e810e1512d7c689
sha1 ff2b83a0c4b5a0c5e091e04e03abbf00b4c102a8
sha256 6b8f97801c40cd1e3ccc644c33aa4429c32a4aa0adf789c82b922549a262d3a9
sha512 ee04a67f7902caed22c365022b708a0464b0c22159f261ce3a38b7bdca0056d1964bb4e3571e5d5408dac6452d47e9d663beb7cf3cc9f4dbb6bd9e4fc0ecd217
ripemd-160 9d2772c2c2af076275530393662c18d1c17f6dbe

20249945 as geometric shapes

Circle

Radius = n
Diameter 40499890
Circumference 127234156.89519
Area 1.2882423396245E+15

Sphere

Radius = n
Volume 3.4782448698757E+22
Surface area 5.1529693584981E+15
Circumference 127234156.89519

Square

Length = n
Perimeter 80999780
Area 410060272503025
Diagonal 28637746.856309

Cube

Length = n
Surface area 2460361635018150
Volume 8.3036979648713E+21
Space diagonal 35073933.590475

Equilateral Triangle

Length = n
Perimeter 60749835
Area 1.7756130653519E+14
Altitude 17536966.795238

Triangular Pyramid

Length = n
Surface area 1.7756130653519E+14
Volume 9.786001899809E+20
Height 9545915.6187697