20145646 is an even 8-digits composite number following 20145645
and preceding 20145647 . In scientific notation, it is written as 2.0145646 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9435904 positive integers (up to 20145646) that are relatively prime to 20145646.
20145646 has 16 divisors, whose sum is 32145984
The reverse of 20145646 is 64654102
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-five thousand six hundred forty-six
Scientific notation
2.0145646 × 10^7
Engineering notation
2.0145646 × 10^6
Prime Factorization
2 × 17 × 233 × 2543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145646
Product of the distinct prime numbers
The prime factorization of 20145646 is 2 × 17 × 233 × 2543.
Since it has a total of 4 prime factors.
2 , 3 , 53 , 55 , 38 , 791 , 753 , 9936 , 22100 , 64700 , 370987 , 39505 , 7609345 , 5536935 , 44787559 , 60197887 , 808295508 , 610006025 , 8805045313 , 6630255366
n×2
40291292
n×3
60436938
n×4
80582584
n×5
100728230
n÷2
10072823
n÷3
6715215.3333333
n÷3
5036411.5
n÷5
4029129.2
n2
405847052757316
n3
8.1760510549922E+21
n4
1.647118302318E+29
n5
3.3182262238619E+36
2 √n
4488.3901345583
3 √n
272.09907542721
4 √n
66.99544861077
5 √n
28.895900929836
1 , 2 , 17 , 34 , 233 , 466 , 2543 , 3961 , 5086 , 7922 , 43231 , 86462 , 592519 , 1185038 , 10072823 , 20145646
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
-20145645
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 20145646 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010111101110
3
Ternary
1101220111122001
4
Quaternary
1030312113232
5
Quinary
20124130041
6
Senary
1555442514
8
Octal
114662756
10
Decimal
20145646
12
Duodecimal
68b643a
16
Hexadecimal
13365ee
20
Vigesimal
65i426
36
Base36
bzsha
md5
b8ff61f73f39abf7b1a669465b78305c
sha1
4cf2baef6922e2910b96bb6a871426cb8a705aa1
sha256
53a484ef83adef56379b9e937e5926f7b6f2df98e9dd10adb968a72b1ac3d7de
sha512
36c1d615ee300446ea25def83f6f5d06dae69a681b8d71b6b576887455351456bc9f02392bf8be7c1f199b77036d7cc43f13fa1f7596620faddb6e3c9fb66115
ripemd-160
ab42950fcbcbe96b1ec0806f4bed182549fc496f
Diameter
40291292
Circumference
126578826.95084
Area
1.2750061194235E+15
Volume
3.4247762572985E+22
Surface area
5.1000244776938E+15
Circumference
126578826.95084
Perimeter
80582584
Area
405847052757316
Diagonal
28490245.795967
Surface area
2435082316543896
Volume
8.1760510549922E+21
Space diagonal
34893282.423297
Perimeter
60436938
Area
1.7573692886944E+14
Altitude
17446641.211648
Surface area
1.7573692886944E+14
Volume
9.635568573854E+20
Height
9496748.5986558