20397715 is an odd 8-digits composite number following 20397714
and preceding 20397716 . In scientific notation, it is written as 2.0397715 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 14919552 positive integers (up to 20397715) that are relatively prime to 20397715.
20397715 has 16 divisors, whose sum is 26611200
The reverse of 20397715 is 51779302
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million three hundred ninety-seven thousand seven hundred fifteen
Scientific notation
2.0397715 × 10^7
Engineering notation
2.0397715 × 10^6
Prime Factorization
5 × 13 × 109 × 2879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20397715
Product of the distinct prime numbers
The prime factorization of 20397715 is 5 × 13 × 109 × 2879.
Since it has a total of 4 prime factors.
8 , 3 , 70 , 40 , 835 , 334 , 3094 , 4401 , 91201 , 95612 , 884135 , 990198 , 4862553 , 2963970 , 34159365 , 54621036 , 785596335 , 728674965 , 7231233787 , 9981168711
n×2
40795430
n×3
61193145
n×4
81590860
n×5
101988575
n÷2
10198857.5
n÷3
6799238.3333333
n÷3
5099428.75
n÷5
4079543
n2
416066777221225
n3
8.486811542727E+21
n4
1.7311156310726E+29
n5
3.5310803274663E+36
2 √n
4516.3829554191
3 √n
273.22923939643
4 √n
67.204039725444
5 √n
28.967852729497
1 , 5 , 13 , 65 , 109 , 545 , 1417 , 2879 , 7085 , 14395 , 37427 , 187135 , 313811 , 1569055 , 4079543 , 20397715
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
-20397714
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 20397715 can be divided by 16 positive divisors.
The sum of these divisors (counting 20397715) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110011111010010011
3
Ternary
1102101022101221
4
Quaternary
1031303322103
5
Quinary
20210211330
6
Senary
2005105511
8
Octal
115637223
10
Decimal
20397715
12
Duodecimal
69b8297
16
Hexadecimal
1373e93
20
Vigesimal
679e5f
36
Base36
c56z7
md5
90251559149919347f0a3571e7c75de9
sha1
252c1d5e7ff55b5a18433e13538d3fc444a17005
sha256
f9399f0b8ef8d44f86d03a64f00b21bb991700148b6c4f90d00c744a1c1f30b2
sha512
f50b86b098c33136aeff35f9c0a2a9dbabdddc715de45c14d636e587b7ea45dd41f781a32a69647702e8da20d66137cf3526b21384c15118f57af5f0554d8c7a
ripemd-160
5d097937c8e2af26839e1f2b4079777557a6402b
Diameter
40795430
Circumference
128162623.18804
Area
1.307112330721E+15
Volume
3.5549473060043E+22
Surface area
5.2284493228839E+15
Circumference
128162623.18804
Perimeter
81590860
Area
416066777221225
Diagonal
28846725.194421
Surface area
2496400663327350
Volume
8.486811542727E+21
Space diagonal
35329878.73831
Perimeter
61193145
Area
1.8016219937215E+14
Altitude
17664939.369155
Surface area
1.8016219937215E+14
Volume
1.0001803320858E+21
Height
9615575.064807