20450105 is an odd 8-digits composite number following 20450104
and preceding 20450106 . In scientific notation, it is written as 2.0450105 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors.
There are 14443968 positive integers (up to 20450105) that are relatively prime to 20450105.
20450105 has 16 divisors, whose sum is 27578880
The reverse of 20450105 is 50105402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million four hundred fifty thousand one hundred five
Scientific notation
2.0450105 × 10^7
Engineering notation
2.0450105 × 10^6
Prime Factorization
5 × 23 × 13 × 13679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20450105
Product of the distinct prime numbers
The prime factorization of 20450105 is 5 × 23 × 13 × 13679.
Since it has a total of 4 prime factors.
8 , 1 , 89 , 58 , 688 , 647 , 262 , 5527 , 94164 , 35485 , 847439 , 689225 , 9046906 , 7526249 , 1675396 , 96525826 , 910949291 , 899494440 , 635000951 , 4385191812
n×2
40900210
n×3
61350315
n×4
81800420
n×5
102250525
n÷2
10225052.5
n÷3
6816701.6666667
n÷3
5112526.25
n÷5
4090021
n2
418206794511025
n3
8.5523728594639E+21
n4
1.7489692297519E+29
n5
3.5766604390195E+36
2 √n
4522.1792312999
3 √n
273.46296234181
4 √n
67.247150358211
5 √n
28.982717816491
1 , 5 , 13 , 23 , 65 , 115 , 299 , 1495 , 13679 , 68395 , 177827 , 314617 , 889135 , 1573085 , 4090021 , 20450105
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
-20450104
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 20450105 can be divided by 16 positive divisors.
The sum of these divisors (counting 20450105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000000101100111001
3
Ternary
1102110222021022
4
Quaternary
1032000230321
5
Quinary
20213400410
6
Senary
2010152225
8
Octal
116005471
10
Decimal
20450105
12
Duodecimal
6a22675
16
Hexadecimal
1380b39
20
Vigesimal
67g555
36
Base36
c6beh
md5
534a6e8c3757be2bb1a60dc90d4ccdf5
sha1
7dbeeedd8b29d00f3a770eaacaaa0f445d70a0a4
sha256
5ee63fed649140cea87181ad2f137a70c047e2fa927b41df1b5c04cfa65c64ac
sha512
e21ae1017495a0a04a6df5ea9ef0df1a600e0696a0059f880323d67d012627d2f11332429334021837a86796b78d66f200ef6712b7d426ff2c7613a7573db65d
ripemd-160
893a4a28f2712233acf12e0cae6eec44d8f78049
Diameter
40900210
Circumference
128491799.26628
Area
1.3138353933172E+15
Volume
3.5824095661403E+22
Surface area
5.2553415732687E+15
Circumference
128491799.26628
Perimeter
81800420
Area
418206794511025
Diagonal
28920815.842954
Surface area
2509240767066150
Volume
8.5523728594639E+21
Space diagonal
35420620.880118
Perimeter
61350315
Area
1.810888540409E+14
Altitude
17710310.440059
Surface area
1.810888540409E+14
Volume
1.0079068073604E+21
Height
9640271.9476513