20687660 is an even 8-digits composite number following 20687659
and preceding 20687661 . In scientific notation, it is written as 2.0687660 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 7092864 positive integers (up to 20687660) that are relatively prime to 20687660.
20687660 has 12 divisors, whose sum is 37238040
The reverse of 20687660 is 06678602
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred eighty-seven thousand six hundred sixty
Scientific notation
2.0687660 × 10^7
Engineering notation
2.0687660 × 10^6
Prime Factorization
2 × 2 × 35 × 147769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10343830
Product of the distinct prime numbers
The prime factorization of 20687660 is 2 × 2 × 35 × 147769.
Since it has a total of 4 prime factors.
2 , 2 , 20 , 65 , 459 , 443 , 2616 , 8206 , 36764 , 81056 , 575676 , 7457 , 4198694 , 6505916 , 78162571 , 37237433 , 329142584 , 397414821 , 4895510431 , 8076953941
n×2
41375320
n×3
62062980
n×4
82750640
n×5
103438300
n÷2
10343830
n÷3
6895886.6666667
n÷3
5171915
n÷5
4137532
n2
427979276275600
n3
8.8538897546357E+21
n4
1.8316626092139E+29
n5
3.7892813294129E+36
2 √n
4548.3689384218
3 √n
274.51776643103
4 √n
67.441596499651
5 √n
29.049741623018
1 , 2 , 4 , 35 , 70 , 140 , 147769 , 295538 , 591076 , 5171915 , 10343830 , 20687660
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20687659
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20687660 can be divided by 12 positive divisors.
The sum of these divisors (counting 20687660) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010101100101100
3
Ternary
1102221001010122
4
Quaternary
1032322230230
5
Quinary
20244001120
6
Senary
2015224112
8
Octal
116725454
10
Decimal
20687660
12
Duodecimal
6b18038
16
Hexadecimal
13bab2c
20
Vigesimal
695j30
36
Base36
cbep8
md5
7649925dd3dfe78a0ce2b0dc60324088
sha1
97202e17218002e2b115b7304b93ab131764b72b
sha256
34f2df62d74fd3b4614a217a646d309db994e3c723df1ccd1923f66c358922e6
sha512
3fc2637802fc1b06c4fd3e6544842dacd58a4ac39a1410900594561caedcf4d3a93044ce3f12e26a8bdd3c41cb77edce9afd1dba9aa99c64f6c56fd207f0bb1c
ripemd-160
f438c8b4a3d1314c90ed6d3cf9979407e0c6c4d1
Diameter
41375320
Circumference
129984401.35193
Area
1.3445365502361E+15
Volume
3.7087086678477E+22
Surface area
5.3781462009444E+15
Circumference
129984401.35193
Perimeter
82750640
Area
427979276275600
Diagonal
29256769.345763
Surface area
2567875657653600
Volume
8.8538897546357E+21
Space diagonal
35832078.20971
Perimeter
62062980
Area
1.8532046277397E+14
Altitude
17916039.104855
Surface area
1.8532046277397E+14
Volume
1.0434409142302E+21
Height
9752256.4485878