20687427 is an odd 8-digits composite number following 20687426
and preceding 20687428 . In scientific notation, it is written as 2.0687427 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13635072 positive integers (up to 20687427) that are relatively prime to 20687427.
20687427 has 16 divisors, whose sum is 30996000
The reverse of 20687427 is 72478602
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-seven thousand four hundred twenty-seven
Scientific notation
2.0687427 × 10^7
Engineering notation
2.0687427 × 10^6
Prime Factorization
9 × 3 × 89 × 8609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20687427
Product of the distinct prime numbers
The prime factorization of 20687427 is 9 × 3 × 89 × 8609.
Since it has a total of 4 prime factors.
1 , 9 , 18 , 16 , 609 , 363 , 5796 , 6036 , 17876 , 17638 , 429720 , 19626 , 958245 , 57223 , 1423386 , 71251476 , 83779800 , 99982857 , 1310944392 , 9560737627
n×2
41374854
n×3
62062281
n×4
82749708
n×5
103437135
n÷2
10343713.5
n÷3
6895809
n÷3
5171856.75
n÷5
4137485.4
n2
427969635880329
n3
8.8535906004909E+21
n4
1.8315800923554E+29
n5
3.7890679455256E+36
2 √n
4548.3433247722
3 √n
274.51673581859
4 √n
67.441406604342
5 √n
29.049676186712
1 , 3 , 9 , 27 , 89 , 267 , 801 , 2403 , 8609 , 25827 , 77481 , 232443 , 766201 , 2298603 , 6895809 , 20687427
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
-20687426
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 20687427 can be divided by 16 positive divisors.
The sum of these divisors (counting 20687427) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010101001000011
3
Ternary
1102221000211000
4
Quaternary
1032322221003
5
Quinary
20243444202
6
Senary
2015223043
8
Octal
116725103
10
Decimal
20687427
12
Duodecimal
6b17a83
16
Hexadecimal
13baa43
20
Vigesimal
695ib7
36
Base36
cbeir
md5
859f6fc529c4964bd47b8238c1f4232f
sha1
9ac6f6b8e7e4174f25c292892de33c28d33dad30
sha256
9e5b9df1d6391fde730a5739178082d6bd0ae5078b8ed15e3b402adcc8d6a9ba
sha512
444d86d8abb522c687b107ec1464093acad14d55cafea0ab5c6373262bf8009a54f2c6d502ec8bd964c89204738521176f499c963b40752db410a3a3e76f53e1
ripemd-160
be74427522f61050341a3a6d55d5d3f01c6340ef
Diameter
41374854
Circumference
129982937.36975
Area
1.3445062640411E+15
Volume
3.7085833584525E+22
Surface area
5.3780250561646E+15
Circumference
129982937.36975
Perimeter
82749708
Area
427969635880329
Diagonal
29256439.834003
Surface area
2567817815281974
Volume
8.8535906004909E+21
Space diagonal
35831674.641872
Perimeter
62062281
Area
1.8531628836037E+14
Altitude
17915837.320936
Surface area
1.8531628836037E+14
Volume
1.0434056585761E+21
Height
9752146.6113345