20145189 is an odd 8-digits composite number following 20145188
and preceding 20145190 . In scientific notation, it is written as 2.0145189 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13209840 positive integers (up to 20145189) that are relatively prime to 20145189.
20145189 has 8 divisors, whose sum is 27300832
The reverse of 20145189 is 98154102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-five thousand one hundred eighty-nine
Scientific notation
2.0145189 × 10^7
Engineering notation
2.0145189 × 10^6
Prime Factorization
3 × 61 × 110083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145189
Product of the distinct prime numbers
The prime factorization of 20145189 is 3 × 61 × 110083.
Since it has a total of 3 prime factors.
7 , 4 , 45 , 7 , 8 , 492 , 1878 , 9816 , 93358 , 59381 , 205910 , 823861 , 4021793 , 2772922 , 74094846 , 2271013 , 369734762 , 793289567 , 191190621 , 8871231516
n×2
40290378
n×3
60435567
n×4
80580756
n×5
100725945
n÷2
10072594.5
n÷3
6715063
n÷3
5036297.25
n÷5
4029037.8
n2
405828639845721
n3
8.175494651305E+21
n4
1.6469688491903E+29
n5
3.3178498744051E+36
2 √n
4488.3392251478
3 √n
272.09701790706
4 √n
66.995068662908
5 √n
28.895769829085
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
-20145188
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 20145189 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145189) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110010000100101
3
Ternary
1101220111000010
4
Quaternary
1030312100211
5
Quinary
20124121224
6
Senary
1555440433
8
Octal
114662045
10
Decimal
20145189
12
Duodecimal
68b6119
16
Hexadecimal
1336425
20
Vigesimal
65i2j9
36
Base36
bzs4l
md5
bdeecf67d9f6d3953ebf29ca83cc5c9b
sha1
fd3eb2691b7b3f53c917899971700fe998782075
sha256
6ec6239b9443ab932197c7838286f936cea73f7e163df37ccd51571e72bdfd5b
sha512
2591568b43387e9db4b6218905323d80dbda1e9a045f159c0c1ab25a9cf7a3d20b28cedbe549256791aeb2c5d9f645b2cd2e7b71520c557b8f2f1bfbfd79aa22
ripemd-160
d57d9d2157617de5c4d788a25b45ff090e53ea65
Diameter
40290378
Circumference
126575955.53516
Area
1.2749482735557E+15
Volume
3.424543191467E+22
Surface area
5.0997930942226E+15
Circumference
126575955.53516
Perimeter
80580756
Area
405828639845721
Diagonal
28489599.500369
Surface area
2434971839074326
Volume
8.175494651305E+21
Space diagonal
34892490.876078
Perimeter
60435567
Area
1.7572895584484E+14
Altitude
17446245.438039
Surface area
1.7572895584484E+14
Volume
9.6349128458202E+20
Height
9496533.1667898