20688740 is an even 8-digits composite number following 20688739
and preceding 20688741 . In scientific notation, it is written as 2.0688740 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 8252928 positive integers (up to 20688740) that are relatively prime to 20688740.
20688740 has 24 divisors, whose sum is 43564920
The reverse of 20688740 is 04788602
Previous prime number is 433
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-eight thousand seven hundred forty
Scientific notation
2.0688740 × 10^7
Engineering notation
2.0688740 × 10^6
Prime Factorization
2 × 2 × 5 × 433 × 2389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10344370
Product of the distinct prime numbers
The prime factorization of 20688740 is 2 × 2 × 5 × 433 × 2389.
Since it has a total of 5 prime factors.
1 , 9 , 54 , 41 , 639 , 155 , 8377 , 1197 , 13122 , 8154 , 484254 , 585836 , 7166992 , 761814 , 29451170 , 30927965 , 797190263 , 792989747 , 4445167081 , 8268014959
n×2
41377480
n×3
62066220
n×4
82754960
n×5
103443700
n÷2
10344370
n÷3
6896246.6666667
n÷3
5172185
n÷5
4137748
n2
428023962787600
n3
8.8552764798823E+21
n4
1.832045127204E+29
n5
3.7902705304991E+36
2 √n
4548.4876607505
3 √n
274.52254341771
4 √n
67.442476680135
5 √n
29.050044925236
1 , 2 , 4 , 5 , 10 , 20 , 433 , 866 , 1732 , 2165 , 2389 , 4330 , 4778 , 8660 , 9556 , 11945 , 23890 , 47780 , 1034437 , 2068874 , 4137748 , 5172185 , 10344370 , 20688740
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688740 can be divided by 24 positive divisors.
The sum of these divisors (counting 20688740) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010111101100100
3
Ternary
1102221002121122
4
Quaternary
1032322331210
5
Quinary
20244014430
6
Senary
2015233112
8
Octal
116727544
10
Decimal
20688740
12
Duodecimal
6b18798
16
Hexadecimal
13baf64
20
Vigesimal
6961h0
36
Base36
cbfj8
md5
555131d99613b6dcad21d09091fc2246
sha1
535d6c0c222e90d92b014bfcd9b41187977de91e
sha256
563da572da87f62704fcb60717486b8fd73c4b5e0c49bc8571207ee02d1d954c
sha512
d8d53f815041aa5aa39a2e163a51f336645043f0a5b461b8cbca90eb2c7d7fc38250090a246816ad352af5182b8e90a5ddca62fb0cbffdc4dc46528b40b8fd7b
ripemd-160
2fa3555f89effd0131b21b65e4becab756b5a0e3
Diameter
41377480
Circumference
129991187.19206
Area
1.3446769370539E+15
Volume
3.7092895379606E+22
Surface area
5.3787077482157E+15
Circumference
129991187.19206
Perimeter
82754960
Area
428023962787600
Diagonal
29258296.696411
Surface area
2568143776725600
Volume
8.8552764798823E+21
Space diagonal
35833948.824583
Perimeter
62066220
Area
1.8533981260127E+14
Altitude
17916974.412291
Surface area
1.8533981260127E+14
Volume
1.0436043413678E+21
Height
9752765.5654703