20397816 is an even 8-digits composite number following 20397815
and preceding 20397817 . In scientific notation, it is written as 2.0397816 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 6799248 positive integers (up to 20397816) that are relatively prime to 20397816.
20397816 has 16 divisors, whose sum is 42495600
The reverse of 20397816 is 61879302
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million three hundred ninety-seven thousand eight hundred sixteen
Scientific notation
2.0397816 × 10^7
Engineering notation
2.0397816 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 283303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5099454
Product of the distinct prime numbers
The prime factorization of 20397816 is 2 × 2 × 2 × 9 × 283303.
Since it has a total of 5 prime factors.
4 , 3 , 54 , 38 , 819 , 889 , 7330 , 2004 , 3414 , 17559 , 340941 , 590776 , 1876074 , 8048246 , 69315691 , 47345625 , 167857814 , 32602615 , 877172512 , 4093321558
n×2
40795632
n×3
61193448
n×4
81591264
n×5
101989080
n÷2
10198908
n÷3
6799272
n÷3
5099454
n÷5
4079563.2
n2
416070897569856
n3
8.4869376115848E+21
n4
1.7311499180459E+29
n5
3.5311677496714E+36
2 √n
4516.3941369194
3 √n
273.22969036373
4 √n
67.204122916079
5 √n
28.967881416508
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 283303 , 566606 , 1133212 , 2266424 , 2549727 , 5099454 , 10198908 , 20397816
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
-20397815
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 20397816 can be divided by 16 positive divisors.
The sum of these divisors (counting 20397816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110011111011111000
3
Ternary
1102101022112200
4
Quaternary
1031303323320
5
Quinary
20210212231
6
Senary
2005110200
8
Octal
115637370
10
Decimal
20397816
12
Duodecimal
69b8360
16
Hexadecimal
1373ef8
20
Vigesimal
679eag
36
Base36
c5720
md5
6e22f94007074fe19064c2ae7c9beb2f
sha1
08c7eb600bbc9edc9a50321b5961712161e93a90
sha256
5ddd8b0a5e74e2762d30eb7e0cab3928714f53b6e011c71e04a2a302038da1ef
sha512
9ca790529cb2d186c0d57f9c44190aad6a4d3028e2881c9ed5e879a9bb0e8849740d9fa142cdc65b3aeb49fd7bb4cbaf3c6540c49a26b2b1d924c7f41182a052
ripemd-160
10b404319f155d22a9432ff984dd3873110559f1
Diameter
40795632
Circumference
128163257.78975
Area
1.307125275178E+15
Volume
3.5550001136039E+22
Surface area
5.2285011007119E+15
Circumference
128163257.78975
Perimeter
81591264
Area
416070897569856
Diagonal
28846868.029991
Surface area
2496425385419136
Volume
8.4869376115848E+21
Space diagonal
35330053.675441
Perimeter
61193448
Area
1.8016398353544E+14
Altitude
17665026.837721
Surface area
1.8016398353544E+14
Volume
1.0001951894431E+21
Height
9615622.6766636