20105149 is an odd 8-digits composite number following 20105148
and preceding 20105150 . In scientific notation, it is written as 2.0105149 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 19143936 positive integers (up to 20105149) that are relatively prime to 20105149.
20105149 has 8 divisors, whose sum is 21085560
The reverse of 20105149 is 94150102
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred five thousand one hundred forty-nine
Scientific notation
2.0105149 × 10^7
Engineering notation
2.0105149 × 10^6
Prime Factorization
29 × 73 × 9497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20105149
Product of the distinct prime numbers
The prime factorization of 20105149 is 29 × 73 × 9497.
Since it has a total of 3 prime factors.
6 , 1 , 38 , 22 , 834 , 650 , 9583 , 8940 , 29995 , 52155 , 9045 , 263554 , 7450801 , 7095257 , 42767730 , 63390353 , 555600199 , 993574250 , 4073399683 , 7159684356
n×2
40210298
n×3
60315447
n×4
80420596
n×5
100525745
n÷2
10052574.5
n÷3
6701716.3333333
n÷3
5026287.25
n÷5
4021029.8
n2
404217016312201
n3
8.1268433412922E+21
n4
1.6339139627634E+29
n5
3.2850083674538E+36
2 √n
4483.876559407
3 √n
271.91662759785
4 √n
66.961754452874
5 √n
28.884274205393
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
-20105148
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 20105149 can be divided by 8 positive divisors.
The sum of these divisors (counting 20105149) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101100011110111101
3
Ternary
1101211110002011
4
Quaternary
1030230132331
5
Quinary
20121331044
6
Senary
1554531221
8
Octal
114543675
10
Decimal
20105149
12
Duodecimal
6896b11
16
Hexadecimal
132c7bd
20
Vigesimal
65d2h9
36
Base36
byx8d
md5
bcd94f316b25cd6fd0709194506d0c65
sha1
66da30c8e3b50a37a1403427e8bbe7175b6f8728
sha256
14cb539e8d5b8a447ee6f2bc05a601767e64116c351e58b798af8b0bcd974e18
sha512
88374d21d6384af08af095dace8b4df8e934d78f2d3992559a63415136fa5ecb7e1987929a9bb2e43320fd2957a0e7e00b7b70219b38c6fe58ecae422da1129e
ripemd-160
7f326fb5ed65a801cbacebe71cca73534b79a4b7
Diameter
40210298
Circumference
126324376.79546
Area
1.2698852089024E+15
Volume
3.4041641783838E+22
Surface area
5.0795408356096E+15
Circumference
126324376.79546
Perimeter
80420596
Area
404217016312201
Diagonal
28432974.389332
Surface area
2425302097873206
Volume
8.1268433412922E+21
Space diagonal
34823139.561743
Perimeter
60315447
Area
1.7503110238416E+14
Altitude
17411569.780871
Surface area
1.7503110238416E+14
Volume
9.5775767271141E+20
Height
9477658.1297773