20181244 is an even 8-digits composite number following 20181243
and preceding 20181245 . In scientific notation, it is written as 2.0181244 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 9461760 positive integers (up to 20181244) that are relatively prime to 20181244.
20181244 has 24 divisors, whose sum is 37533888
The reverse of 20181244 is 44218102
Previous prime number is 641
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty-one thousand two hundred forty-four
Scientific notation
2.0181244 × 10^7
Engineering notation
2.0181244 × 10^6
Prime Factorization
2 × 2 × 17 × 641 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10090622
Product of the distinct prime numbers
The prime factorization of 20181244 is 2 × 2 × 17 × 641 × 463.
Since it has a total of 5 prime factors.
8 , 10 , 96 , 5 , 90 , 730 , 3451 , 7300 , 128 , 55360 , 337078 , 543884 , 6089882 , 8929266 , 70752911 , 13172875 , 369915381 , 266123009 , 1793011973 , 6142102910
n×2
40362488
n×3
60543732
n×4
80724976
n×5
100906220
n÷2
10090622
n÷3
6727081.3333333
n÷3
5045311
n÷5
4036248.8
n2
407282609387536
n3
8.2194697170066E+21
n4
1.6587912390952E+29
n5
3.3476470741243E+36
2 √n
4492.3539486554
3 √n
272.25925037215
4 √n
67.025024794143
5 √n
28.906105715504
1 , 2 , 4 , 17 , 34 , 68 , 463 , 641 , 926 , 1282 , 1852 , 2564 , 7871 , 10897 , 15742 , 21794 , 31484 , 43588 , 296783 , 593566 , 1187132 , 5045311 , 10090622 , 20181244
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181243
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181244 can be divided by 24 positive divisors.
The sum of these divisors (counting 20181244) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111111000011111100
3
Ternary
1101222022110111
4
Quaternary
1030333003330
5
Quinary
20131244434
6
Senary
2000315404
8
Octal
114770374
10
Decimal
20181244
12
Duodecimal
6912b64
16
Hexadecimal
133f0fc
20
Vigesimal
662d24
36
Base36
c0jy4
md5
c8dad0f9a46abebca63b086388aadce7
sha1
28768b841ebe647da162c04fff98581c8aa2d7ad
sha256
9290c31f076cd5a2d0eb0b8fe514c48ad68b16075edc5bb71a4c89d582116ab8
sha512
234d4234ec0276e84169ea3b0063464ad10c6b8b7c37f68ba04fe8e7a60273a7fa3992441cf83096bbd8c81f01730d48c5facf5ca351c5ffaf2e903ad08f786e
ripemd-160
c8ca9b63f79341b3f69138add7ce9372e7baadd3
Diameter
40362488
Circumference
126802495.78141
Area
1.2795160535868E+15
Volume
3.4429634239135E+22
Surface area
5.1180642143471E+15
Circumference
126802495.78141
Perimeter
80724976
Area
407282609387536
Diagonal
28540588.970361
Surface area
2443695656325216
Volume
8.2194697170066E+21
Space diagonal
34954939.967945
Perimeter
60543732
Area
1.7635854312461E+14
Altitude
17477469.983972
Surface area
1.7635854312461E+14
Volume
9.6867379577547E+20
Height
9513529.6567869