20397812 is an even 8-digits composite number following 20397811
and preceding 20397813 . In scientific notation, it is written as 2.0397812 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 9981816 positive integers (up to 20397812) that are relatively prime to 20397812.
20397812 has 12 divisors, whose sum is 36456000
The reverse of 20397812 is 21879302
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million three hundred ninety-seven thousand eight hundred twelve
Scientific notation
2.0397812 × 10^7
Engineering notation
2.0397812 × 10^6
Prime Factorization
2 × 2 × 47 × 108499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10198906
Product of the distinct prime numbers
The prime factorization of 20397812 is 2 × 2 × 47 × 108499.
Since it has a total of 4 prime factors.
10 , 7 , 19 , 47 , 850 , 458 , 4086 , 6456 , 74161 , 7176 , 719356 , 186654 , 5016645 , 3311717 , 38154384 , 27726170 , 975221748 , 546169228 , 2435461078 , 2130141483
n×2
40795624
n×3
61193436
n×4
81591248
n×5
101989060
n÷2
10198906
n÷3
6799270.6666667
n÷3
5099453
n÷5
4079562.4
n2
416070734387344
n3
8.486932618735E+21
n4
1.7311485601362E+29
n5
3.531164287373E+36
2 √n
4516.3936940882
3 √n
273.22967250367
4 √n
67.204119621406
5 √n
28.967880280391
1 , 2 , 4 , 47 , 94 , 188 , 108499 , 216998 , 433996 , 5099453 , 10198906 , 20397812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20397811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20397812 can be divided by 12 positive divisors.
The sum of these divisors (counting 20397812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110011111011110100
3
Ternary
1102101022112112
4
Quaternary
1031303323310
5
Quinary
20210212222
6
Senary
2005110152
8
Octal
115637364
10
Decimal
20397812
12
Duodecimal
69b8358
16
Hexadecimal
1373ef4
20
Vigesimal
679eac
36
Base36
c571w
md5
b23fd21dd3e99cd3a0037de507559c95
sha1
c1083ebb324728aa1b24c3fdd1e32d742a53b9e3
sha256
9580372e866618166c9fb471231fc18a382c7d7414f5e721c0807356538b7a7e
sha512
69dae4dbdb3cf8e98ae5832e509cfbf63ae56d2fe476ced11041e95c831ff7820317ffb82ac7b0560978e7963d38a283c5463d770c4cbc24fccd85933def68b3
ripemd-160
11aa15a17d52d5532428ed48e4ab01af40736329
Diameter
40795624
Circumference
128163232.65701
Area
1.307124762525E+15
Volume
3.5549980222039E+22
Surface area
5.2284990501E+15
Circumference
128163232.65701
Perimeter
81591248
Area
416070734387344
Diagonal
28846862.373137
Surface area
2496424406324064
Volume
8.486932618735E+21
Space diagonal
35330046.747238
Perimeter
61193436
Area
1.8016391287534E+14
Altitude
17665023.373619
Surface area
1.8016391287534E+14
Volume
1.0001946010301E+21
Height
9615620.7910456