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.
20249945 has 4 divisors, whose sum is 24299940
The reverse of 20249945 is 54994202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million two hundred forty-nine thousand nine hundred forty-five
Scientific notation
2.0249945 × 10^7
Engineering notation
2.0249945 × 10^6
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.
6 , 6 , 70 , 91 , 556 , 180 , 9428 , 8485 , 20732 , 56421 , 380468 , 799451 , 1929340 , 5399009 , 51503258 , 47846950 , 704662174 , 278756511 , 8939258028 , 5970612797
n×2
40499890
n×3
60749835
n×4
80999780
n×5
101249725
n÷2
10124972.5
n÷3
6749981.6666667
n÷3
5062486.25
n÷5
4049989
n2
410060272503025
n3
8.3036979648713E+21
n4
1.6814942708526E+29
n5
3.4050166502579E+36
2 √n
4499.9938888847
3 √n
272.56784215513
4 √n
67.081993775414
5 √n
28.925759407295
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
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
md5
5f2ee443ad0bf07b7e810e1512d7c689
sha1
ff2b83a0c4b5a0c5e091e04e03abbf00b4c102a8
sha256
6b8f97801c40cd1e3ccc644c33aa4429c32a4aa0adf789c82b922549a262d3a9
sha512
ee04a67f7902caed22c365022b708a0464b0c22159f261ce3a38b7bdca0056d1964bb4e3571e5d5408dac6452d47e9d663beb7cf3cc9f4dbb6bd9e4fc0ecd217
ripemd-160
9d2772c2c2af076275530393662c18d1c17f6dbe
Diameter
40499890
Circumference
127234156.89519
Area
1.2882423396245E+15
Volume
3.4782448698757E+22
Surface area
5.1529693584981E+15
Circumference
127234156.89519
Perimeter
80999780
Area
410060272503025
Diagonal
28637746.856309
Surface area
2460361635018150
Volume
8.3036979648713E+21
Space diagonal
35073933.590475
Perimeter
60749835
Area
1.7756130653519E+14
Altitude
17536966.795238
Surface area
1.7756130653519E+14
Volume
9.786001899809E+20
Height
9545915.6187697