20196981 is an odd 8-digits composite number following 20196980
and preceding 20196982 . In scientific notation, it is written as 2.0196981 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 10671264 positive integers (up to 20196981) that are relatively prime to 20196981.
20196981 has 32 divisors, whose sum is 27648000
The reverse of 20196981 is 18969102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred ninety-six thousand nine hundred eighty-one
Scientific notation
2.0196981 × 10^7
Engineering notation
2.0196981 × 10^6
Prime Factorization
7 × 9 × 19 × 47 × 359
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20196981
Product of the distinct prime numbers
The prime factorization of 20196981 is 7 × 9 × 19 × 47 × 359.
Since it has a total of 5 prime factors.
7 , 4 , 51 , 64 , 818 , 91 , 5409 , 1197 , 82803 , 30886 , 135590 , 153206 , 8339639 , 5568377 , 98590044 , 55039748 , 57371914 , 468543604 , 6964862803 , 8293340110
n×2
40393962
n×3
60590943
n×4
80787924
n×5
100984905
n÷2
10098490.5
n÷3
6732327
n÷3
5049245.25
n÷5
4039396.2
n2
407918041514361
n3
8.2387129340228E+21
n4
1.6639712859291E+29
n5
3.3607196446456E+36
2 √n
4494.105138957
3 √n
272.3299997378
4 √n
67.03808722627
5 √n
28.910612410573
1 , 7 , 9 , 19 , 47 , 63 , 133 , 171 , 329 , 359 , 423 , 893 , 1197 , 2513 , 2961 , 3231 , 6251 , 6821 , 8037 , 16873 , 22617 , 47747 , 56259 , 61389 , 118111 , 151857 , 320587 , 429723 , 1062999 , 2244109 , 2885283 , 20196981
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20196980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20196981 can be divided by 32 positive divisors.
The sum of these divisors (counting 20196981) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000010111001110101
3
Ternary
1102000010001100
4
Quaternary
1031002321311
5
Quinary
20132300411
6
Senary
2000520313
8
Octal
115027165
10
Decimal
20196981
12
Duodecimal
6920099
16
Hexadecimal
1342e75
20
Vigesimal
664c91
36
Base36
c0w39
md5
3ec3f7f2a3ef0e73237065f186b7a696
sha1
3d51776f25cd41ad71ce83035362a19bbf06f6ec
sha256
082878b992acca92dcd59ed2d68fc03fee4d6b4725b1c7acc938cf6a61a345b8
sha512
f7c47fc82f35ef1256cc39a9a60d13a0cc3e186c81cb03f10ebc3d261a9d4ad7e49c097f37933c7e89fcd448ebcb9697aef6e7007cc788a0eb04d3d108b1ea91
ripemd-160
5c6d98cdea18398d9e61742c272577bbc89e9399
Diameter
40393962
Circumference
126901374.26859
Area
1.2815123224883E+15
Volume
3.4510240038081E+22
Surface area
5.126049289953E+15
Circumference
126901374.26859
Perimeter
80787924
Area
407918041514361
Diagonal
28562844.449192
Surface area
2447508249086166
Volume
8.2387129340228E+21
Space diagonal
34982197.251503
Perimeter
60590943
Area
1.7663369330672E+14
Altitude
17491098.625752
Surface area
1.7663369330672E+14
Volume
9.7094163064947E+20
Height
9520948.1497306