20045450 is an even 8-digits composite number following 20045449
and preceding 20045451 . In scientific notation, it is written as 2.0045450 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 7972400 positive integers (up to 20045450) that are relatively prime to 20045450.
20045450 has 16 divisors, whose sum is 31449600
The reverse of 20045450 is 05454002
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million forty-five thousand four hundred fifty
Scientific notation
2.0045450 × 10^7
Engineering notation
2.0045450 × 10^6
Prime Factorization
2 × 25 × 191 × 2099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20045450
Product of the distinct prime numbers
The prime factorization of 20045450 is 2 × 25 × 191 × 2099.
Since it has a total of 4 prime factors.
9 , 10 , 56 , 3 , 137 , 545 , 1460 , 8721 , 37891 , 35010 , 527492 , 432421 , 9488800 , 4139518 , 36849423 , 3147812 , 278389500 , 194482725 , 8241445389 , 7937826863
n×2
40090900
n×3
60136350
n×4
80181800
n×5
100227250
n÷2
10022725
n÷3
6681816.6666667
n÷3
5011362.5
n÷5
4009090
n2
401820065702500
n3
8.0546640360362E+21
n4
1.6145936520116E+29
n5
3.2365256321716E+36
2 √n
4477.214535847
3 √n
271.64722323531
4 √n
66.911990972075
5 √n
28.867100355762
1 , 2 , 25 , 50 , 191 , 382 , 2099 , 4198 , 4775 , 9550 , 52475 , 104950 , 400909 , 801818 , 10022725 , 20045450
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20045449
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20045450 can be divided by 16 positive divisors.
The sum of these divisors (counting 20045450) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011101111010001010
3
Ternary
1101201102012002
4
Quaternary
1030131322022
5
Quinary
20112423300
6
Senary
1553351002
8
Octal
114357212
10
Decimal
20045450
12
Duodecimal
6868462
16
Hexadecimal
131de8a
20
Vigesimal
655dca
36
Base36
bxn62
md5
dc4cc6b545ca1dff81591e7c0dc3fe73
sha1
f91870e185f5545a4392a917c04612138dacc5b4
sha256
a173e7651f2d7de87e0275e5d094e11252908b61a1540176ca461535fd2e60b4
sha512
dd82aaa6438b3d20bc3fdfd7570234db4b8a7ce6d98f2191e6b82458c02faf4ac9127d84ab4068331b83eeec78cd2934915666716d358afbca37c0efd0e2efe5
ripemd-160
c7ce8ddc22b2e0b54ba9ca4698ff152e69114b43
Diameter
40090900
Circumference
125949276.9158
Area
1.2623549664759E+15
Volume
3.3739297816994E+22
Surface area
5.0494198659038E+15
Circumference
125949276.9158
Perimeter
80181800
Area
401820065702500
Diagonal
28348547.253872
Surface area
2410920394215000
Volume
8.0546640360362E+21
Space diagonal
34719737.860582
Perimeter
60136350
Area
1.7399319232435E+14
Altitude
17359868.930291
Surface area
1.7399319232435E+14
Volume
9.492512600101E+20
Height
9449515.7512906