20145105 is an odd 8-digits composite number following 20145104
and preceding 20145106 . In scientific notation, it is written as 2.0145105 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 10743840 positive integers (up to 20145105) that are relatively prime to 20145105.
20145105 has 8 divisors, whose sum is 27059648
The reverse of 20145105 is 50154102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred forty-five thousand one hundred five
Scientific notation
2.0145105 × 10^7
Engineering notation
2.0145105 × 10^6
Prime Factorization
135 × 3 × 49741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145105
Product of the distinct prime numbers
The prime factorization of 20145105 is 135 × 3 × 49741.
Since it has a total of 3 prime factors.
5 , 9 , 89 , 74 , 273 , 404 , 8863 , 5636 , 35926 , 72853 , 966018 , 656158 , 6029067 , 8623010 , 59517640 , 68943931 , 942258839 , 665576834 , 8322703197 , 214364449
n×2
40290210
n×3
60435315
n×4
80580420
n×5
100725525
n÷2
10072552.5
n÷3
6715035
n÷3
5036276.25
n÷5
4029021
n2
405825255461025
n3
8.1753923829142E+21
n4
1.6469413797001E+29
n5
3.3177807022903E+36
2 √n
4488.3298675565
3 √n
272.09663971616
4 √n
66.994998824961
5 √n
28.895745731533
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145105 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110001111010001
3
Ternary
1101220110220000
4
Quaternary
1030312033101
5
Quinary
20124120410
6
Senary
1555440213
8
Octal
114661721
10
Decimal
20145105
12
Duodecimal
68b6069
16
Hexadecimal
13363d1
20
Vigesimal
65i2f5
36
Base36
bzs29
md5
12169f6d088054e4d2d82ff98b43e57a
sha1
174320cd519f111cf24e77ee0093326061c1964c
sha256
80dac6990ae161d0594f0c1f6177a14f72ccf4595ec94b6be604c8af526c9556
sha512
aaf61d3d9eb74dbae8a258bc889d4f3f9b946a13dcc48ba16b5c7f4b0794ed06a17af111dcd0b2d21beebaae72d31c21de2ee710048986e9be43f7c2fcacf8df
ripemd-160
d0793bc06e3d4e3457306feeb727623d543508ce
Diameter
40290210
Circumference
126575427.74759
Area
1.2749376411976E+15
Volume
3.4245003533836E+22
Surface area
5.0997505647902E+15
Circumference
126575427.74759
Perimeter
80580420
Area
405825255461025
Diagonal
28489480.70643
Surface area
2434951532766150
Volume
8.1753923829142E+21
Space diagonal
34892345.38381
Perimeter
60435315
Area
1.7572749036328E+14
Altitude
17446172.691905
Surface area
1.7572749036328E+14
Volume
9.6347923213658E+20
Height
9496493.56881