20146945 is an odd 8-digits composite number following 20146944
and preceding 20146946 . In scientific notation, it is written as 2.0146945 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 12752064 positive integers (up to 20146945) that are relatively prime to 20146945.
20146945 has 8 divisors, whose sum is 22317120
The reverse of 20146945 is 54964102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-six thousand nine hundred forty-five
Scientific notation
2.0146945 × 10^7
Engineering notation
2.0146945 × 10^6
Prime Factorization
35 × 13 × 44279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20146945
Product of the distinct prime numbers
The prime factorization of 20146945 is 35 × 13 × 44279.
Since it has a total of 3 prime factors.
8 , 10 , 88 , 59 , 644 , 229 , 4832 , 5922 , 75104 , 47948 , 877486 , 53302 , 6542123 , 5216916 , 84760504 , 78226415 , 938062025 , 114449934 , 5654680135 , 2067560053
n×2
40293890
n×3
60440835
n×4
80587780
n×5
100734725
n÷2
10073472.5
n÷3
6715648.3333333
n÷3
5036736.25
n÷5
4029389
n2
405899392833025
n3
8.1776327429403E+21
n4
1.6475431710222E+29
n5
3.319296165171E+36
2 √n
4488.5348388979
3 √n
272.10492365702
4 √n
66.996528558559
5 √n
28.896273564272
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
-20146944
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 20146945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20146945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110101100000001
3
Ternary
1101220120102011
4
Quaternary
1030312230001
5
Quinary
20124200240
6
Senary
1555452521
8
Octal
114665401
10
Decimal
20146945
12
Duodecimal
68b7141
16
Hexadecimal
1336b01
20
Vigesimal
65i775
36
Base36
bzthd
md5
bf1544509cdb98fc7f350e95aee6d5c1
sha1
cdc20e349f697f72975786d784b71b0a86a4c4e0
sha256
86d72390d08b47cd3f17ee45c28f79660d70c5ad26a8a208db860a81c153c7a9
sha512
560cc961af74e186f3670f2f83ebf7e77930482ffc534951164e3ece101f6a2b43e9d95cce9590b5250891c55e464eab8e123be1268614e068f81758ef6551cf
ripemd-160
9db131ca0f4a6dc71cec61cd5c580abf0e7b796f
Diameter
40293890
Circumference
126586988.80856
Area
1.2751705506208E+15
Volume
3.4254387931969E+22
Surface area
5.1006822024832E+15
Circumference
126586988.80856
Perimeter
80587780
Area
405899392833025
Diagonal
28492082.859385
Surface area
2435396356998150
Volume
8.1776327429403E+21
Space diagonal
34895532.357296
Perimeter
60440835
Area
1.7575959278704E+14
Altitude
17447766.178648
Surface area
1.7575959278704E+14
Volume
9.6374326109771E+20
Height
9497360.9531283