20187688 is an even 8-digits composite number following 20187687
and preceding 20187689 . In scientific notation, it is written as 2.0187688 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 10028928 positive integers (up to 20187688) that are relatively prime to 20187688.
20187688 has 16 divisors, whose sum is 38095380
The reverse of 20187688 is 88678102
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million one hundred eighty-seven thousand six hundred eighty-eight
Scientific notation
2.0187688 × 10^7
Engineering notation
2.0187688 × 10^6
Prime Factorization
2 × 2 × 2 × 157 × 16073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5046922
Product of the distinct prime numbers
The prime factorization of 20187688 is 2 × 2 × 2 × 157 × 16073.
Since it has a total of 5 prime factors.
3 , 5 , 48 , 17 , 955 , 582 , 6565 , 3454 , 62205 , 40935 , 487237 , 773545 , 8470357 , 4737397 , 96099585 , 21289688 , 12402544 , 957062531 , 3532794370 , 5806025492
n×2
40375376
n×3
60563064
n×4
80750752
n×5
100938440
n÷2
10093844
n÷3
6729229.3333333
n÷3
5046922
n÷5
4037537.6
n2
407542746785344
n3
8.2273458187655E+21
n4
1.6609109045734E+29
n5
3.3529951137326E+36
2 √n
4493.0711100538
3 √n
272.28822532711
4 √n
67.030374533146
5 √n
28.907951460581
1 , 2 , 4 , 8 , 157 , 314 , 628 , 1256 , 16073 , 32146 , 64292 , 128584 , 2523461 , 5046922 , 10093844 , 20187688
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
-20187687
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 20187688 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101000101000
3
Ternary
1101222122022011
4
Quaternary
1031000220220
5
Quinary
20132001223
6
Senary
2000405304
8
Octal
115005050
10
Decimal
20187688
12
Duodecimal
6916834
16
Hexadecimal
1340a28
20
Vigesimal
663948
36
Base36
c0ox4
md5
22a8a8d9eef8e3f1a66c6e952c0e664d
sha1
f6a17af67d3790d6206eafdeeeeaf7281ed17ecd
sha256
0a635d12299d92a19fa83380365b60b42b32068fa326a83fbea573c70b541668
sha512
1c1e0672897f744cdbd0d4a737c2bedebc6d7021024313aeff6fde79283105dca47b94fcb6495bc0928523a191d934e60760dfb56d0876055f6ef1b1b18e6082
ripemd-160
8e7537b00e95367e7bf36af2aa62efdfd719d2a0
Diameter
40375376
Circumference
126842984.62753
Area
1.2803332993246E+15
Volume
3.4462625577035E+22
Surface area
5.1213331972986E+15
Circumference
126842984.62753
Perimeter
80750752
Area
407542746785344
Diagonal
28549702.162557
Surface area
2445256480712064
Volume
8.2273458187655E+21
Space diagonal
34966101.303349
Perimeter
60563064
Area
1.764711859221E+14
Altitude
17483050.651674
Surface area
1.764711859221E+14
Volume
9.6960200326932E+20
Height
9516567.3875189