20688718 is an even 8-digits composite number following 20688717
and preceding 20688719 . In scientific notation, it is written as 2.0688718 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 9918720 positive integers (up to 20688718) that are relatively prime to 20688718.
20688718 has 16 divisors, whose sum is 32328576
The reverse of 20688718 is 81788602
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-eight thousand seven hundred eighteen
Scientific notation
2.0688718 × 10^7
Engineering notation
2.0688718 × 10^6
Prime Factorization
2 × 31 × 113 × 2953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688718
Product of the distinct prime numbers
The prime factorization of 20688718 is 2 × 31 × 113 × 2953.
Since it has a total of 4 prime factors.
9 , 6 , 8 , 83 , 46 , 129 , 8966 , 278 , 58732 , 8414 , 507754 , 839156 , 3244208 , 913994 , 59286241 , 10453223 , 248282364 , 658664462 , 5136837071 , 7864834206
n×2
41377436
n×3
62066154
n×4
82754872
n×5
103443590
n÷2
10344359
n÷3
6896239.3333333
n÷3
5172179.5
n÷5
4137743.6
n2
428023052483524
n3
8.8552482303308E+21
n4
1.8320373345731E+29
n5
3.7902503780455E+36
2 √n
4548.4852423637
3 √n
274.52244611038
4 √n
67.442458750876
5 √n
29.050038746984
1 , 2 , 31 , 62 , 113 , 226 , 2953 , 3503 , 5906 , 7006 , 91543 , 183086 , 333689 , 667378 , 10344359 , 20688718
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
-20688717
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 20688718 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688718) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010111101001110
3
Ternary
1102221002120211
4
Quaternary
1032322331032
5
Quinary
20244014333
6
Senary
2015233034
8
Octal
116727516
10
Decimal
20688718
12
Duodecimal
6b1877a
16
Hexadecimal
13baf4e
20
Vigesimal
6961fi
36
Base36
cbfim
md5
01d1c65df13a6fc817f4c9ac3fbfaaf9
sha1
1b506a7924e2d54756b7d87218e066cdabd84326
sha256
62a536a4f922ea4b50fc562ca6dcd68df57ada7be1b2e1051cef4721a8764998
sha512
55a1ff23bb9ca7a4f9551462e8750967a3bd7cfe2529236d0e08b0f97e7c930b7099fea411f280868faedd302515f1f2d2272219e076d98abc29fd8a0eaed9f1
ripemd-160
5e118e2fb695708c47451a3e6a18d70dc3ef77f5
Diameter
41377436
Circumference
129991048.96198
Area
1.3446740772493E+15
Volume
3.7092777048162E+22
Surface area
5.3786963089973E+15
Circumference
129991048.96198
Perimeter
82754872
Area
428023052483524
Diagonal
29258265.583712
Surface area
2568138314901144
Volume
8.8552482303308E+21
Space diagonal
35833910.719465
Perimeter
62066154
Area
1.8533941842805E+14
Altitude
17916955.359732
Surface area
1.8533941842805E+14
Volume
1.0436010121262E+21
Height
9752755.1945708