20102687 is an odd 8-digits composite number following 20102686
and preceding 20102688 . In scientific notation, it is written as 2.0102687 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17080320 positive integers (up to 20102687) that are relatively prime to 20102687.
20102687 has 8 divisors, whose sum is 20351376
The reverse of 20102687 is 78620102
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred two thousand six hundred eighty-seven
Scientific notation
2.0102687 × 10^7
Engineering notation
2.0102687 × 10^6
Prime Factorization
187 × 193 × 557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20102687
Product of the distinct prime numbers
The prime factorization of 20102687 is 187 × 193 × 557.
Since it has a total of 3 prime factors.
5 , 5 , 56 , 22 , 56 , 229 , 9762 , 4590 , 56122 , 8524 , 75586 , 853293 , 7013434 , 5684873 , 9637492 , 21495825 , 463994998 , 537565388 , 2985064308 , 7947066692
n×2
40205374
n×3
60308061
n×4
80410748
n×5
100513435
n÷2
10051343.5
n÷3
6700895.6666667
n÷3
5025671.75
n÷5
4020537.4
n2
404118024619969
n3
8.1238581599935E+21
n4
1.6331137782275E+29
n5
3.2829975119094E+36
2 √n
4483.6020117758
3 √n
271.90552785311
4 √n
66.959704388354
5 √n
28.88356675909
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20102686
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20102687 can be divided by 8 positive divisors.
The sum of these divisors (counting 20102687) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011111000011111
3
Ternary
1101211022200222
4
Quaternary
1030223320133
5
Quinary
20121241222
6
Senary
1554511555
8
Octal
114537037
10
Decimal
20102687
12
Duodecimal
68955bb
16
Hexadecimal
132be1f
20
Vigesimal
65cge7
36
Base36
byvbz
md5
4a046c2827eb3447a536d5b098f13805
sha1
b7703279366ac1aa5fa10defd412cc393ca11053
sha256
435478c608a03e58db6336d8854a52d7cff1968255de3ddac1a0fe71cbe91755
sha512
417dde2e353e7283537a19faf377bbe0c2e1eb6145462867c902357d69bdb8debb7a41868d51e606478e1ed6200a8eefdd596fd64980aa8d31032250aebdb310
ripemd-160
cdd12503337969269b1e00d54ad2608d1246dd0d
Diameter
40205374
Circumference
126308907.59323
Area
1.2695742173293E+15
Volume
3.4029137485655E+22
Surface area
5.0782968693173E+15
Circumference
126308907.59323
Perimeter
80410748
Area
404118024619969
Diagonal
28429492.595541
Surface area
2424708147719814
Volume
8.1238581599935E+21
Space diagonal
34818875.252654
Perimeter
60308061
Area
1.7498823772404E+14
Altitude
17409437.626327
Surface area
1.7498823772404E+14
Volume
9.5740586572152E+20
Height
9476497.5318471