20397768 is an even 8-digits composite number following 20397767
and preceding 20397769 . In scientific notation, it is written as 2.0397768 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors.
There are 6784448 positive integers (up to 20397768) that are relatively prime to 20397768.
20397768 has 32 divisors, whose sum is 51105600
The reverse of 20397768 is 86779302
Previous prime number is 1013
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million three hundred ninety-seven thousand seven hundred sixty-eight
Scientific notation
2.0397768 × 10^7
Engineering notation
2.0397768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 1013 × 839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5099442
Product of the distinct prime numbers
The prime factorization of 20397768 is 2 × 2 × 2 × 3 × 1013 × 839.
Since it has a total of 6 prime factors.
7 , 2 , 46 , 90 , 161 , 223 , 3061 , 8076 , 45310 , 22378 , 989072 , 605437 , 8521029 , 9614986 , 39038403 , 38186495 , 353328779 , 470153154 , 9868099137 , 4833124643
n×2
40795536
n×3
61193304
n×4
81591072
n×5
101988840
n÷2
10198884
n÷3
6799256
n÷3
5099442
n÷5
4079553.6
n2
416068939381824
n3
8.4868776975165E+21
n4
1.7311336231832E+29
n5
3.531126202269E+36
2 √n
4516.3888229425
3 √n
273.22947604282
4 √n
67.204083379974
5 √n
28.967867783091
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 839 , 1013 , 1678 , 2026 , 2517 , 3039 , 3356 , 4052 , 5034 , 6078 , 6712 , 8104 , 10068 , 12156 , 20136 , 24312 , 849907 , 1699814 , 2549721 , 3399628 , 5099442 , 6799256 , 10198884 , 20397768
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
-20397767
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 20397768 can be divided by 32 positive divisors.
The sum of these divisors (counting 20397768) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110011111011001000
3
Ternary
1102101022110220
4
Quaternary
1031303323020
5
Quinary
20210212033
6
Senary
2005110040
8
Octal
115637310
10
Decimal
20397768
12
Duodecimal
69b8320
16
Hexadecimal
1373ec8
20
Vigesimal
679e88
36
Base36
c570o
md5
e72c1bafa8dc9fa341eaef097afb6e2d
sha1
475d910217242d1f6919f63583ecbe692e28c400
sha256
241ad4e7d49b3b2e639e3bee05c2a7fe01b1685995426e26f2f401575e2f3089
sha512
51286caf3f58288d8c7a7fd4d76ef1049f3b31b2d3814cd45aa7a2bd2d05a81ba9b1db04597d1fac36734e683b96012c49234db67b857da051ba1900610bdac6
ripemd-160
a8a7b59d8f0019767699d0a43513afb5443de360
Diameter
40795536
Circumference
128162956.19686
Area
1.3071191233488E+15
Volume
3.5549750168577E+22
Surface area
5.2284764933953E+15
Circumference
128162956.19686
Perimeter
81591072
Area
416068939381824
Diagonal
28846800.14774
Surface area
2496413636290944
Volume
8.4868776975165E+21
Space diagonal
35329970.537003
Perimeter
61193304
Area
1.8016313561515E+14
Altitude
17664985.268501
Surface area
1.8016313561515E+14
Volume
1.0001881285025E+21
Height
9615600.0492466