20687008 is an even 8-digits composite number following 20687007
and preceding 20687009 . In scientific notation, it is written as 2.0687008 × 10^7.
The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors.
There are 10312704 positive integers (up to 20687008) that are relatively prime to 20687008.
20687008 has 24 divisors, whose sum is 40848948
The reverse of 20687008 is 80078602
Previous prime number is 433
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-seven thousand eight
Scientific notation
2.0687008 × 10^7
Engineering notation
2.0687008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 433 × 1493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1292938
Product of the distinct prime numbers
The prime factorization of 20687008 is 2 × 2 × 2 × 2 × 2 × 433 × 1493.
Since it has a total of 7 prime factors.
2 , 6 , 8 , 79 , 802 , 892 , 8946 , 1754 , 56365 , 67961 , 661889 , 740547 , 2018873 , 500113 , 17222462 , 21592632 , 654184996 , 224057122 , 7675138217 , 9252984389
n×2
41374016
n×3
62061024
n×4
82748032
n×5
103435040
n÷2
10343504
n÷3
6895669.3333333
n÷3
5171752
n÷5
4137401.6
n2
427952299992064
n3
8.8530526535542E+21
n4
1.831431710685E+29
n5
3.7886842450394E+36
2 √n
4548.297263812
3 √n
274.514882466
4 √n
67.441065114751
5 √n
29.049558512214
1 , 2 , 4 , 8 , 16 , 32 , 433 , 866 , 1493 , 1732 , 2986 , 3464 , 5972 , 6928 , 11944 , 13856 , 23888 , 47776 , 646469 , 1292938 , 2585876 , 5171752 , 10343504 , 20687008
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
-20687007
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 20687008 can be divided by 24 positive divisors.
The sum of these divisors (counting 20687008) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010100010100000
3
Ternary
1102221000020111
4
Quaternary
1032322202200
5
Quinary
20243441013
6
Senary
2015221104
8
Octal
116724240
10
Decimal
20687008
12
Duodecimal
6b17794
16
Hexadecimal
13ba8a0
20
Vigesimal
695ha8
36
Base36
cbe74
md5
a9cff4226d3b91d5c60a90184f400409
sha1
ed0c1cc542bfa54a3f9f0431888704f6ae48def6
sha256
3c690457e41b1e9eda689af1114e0c1f7f64906895027da1c3326b74d23585de
sha512
9dbdf5fb691d1eae1ae2c6d164c82b59b922ca71f1d6cc219c13bd0cbfdd37da22609ab03938b7334ac99213b9f0298c2d6f9f8cc3cefb74f6d7118fa0a8f55b
ripemd-160
4f9952514501909efc8bce9a93a7bc87b84f0419
Diameter
41374016
Circumference
129980304.71511
Area
1.3444518017419E+15
Volume
3.7083580237666E+22
Surface area
5.3778072069677E+15
Circumference
129980304.71511
Perimeter
82748032
Area
427952299992064
Diagonal
29255847.278521
Surface area
2567713799952384
Volume
8.8530526535542E+21
Space diagonal
35830948.912584
Perimeter
62061024
Area
1.8530878170055E+14
Altitude
17915474.456292
Surface area
1.8530878170055E+14
Volume
1.0433422609216E+21
Height
9751949.0928402