20687029 is an odd 8-digits composite number following 20687028
and preceding 20687030 . In scientific notation, it is written as 2.0687029 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 17816400 positive integers (up to 20687029) that are relatively prime to 20687029.
20687029 has 8 divisors, whose sum is 23755680
The reverse of 20687029 is 92078602
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-seven thousand twenty-nine
Scientific notation
2.0687029 × 10^7
Engineering notation
2.0687029 × 10^6
Prime Factorization
19 × 11 × 98981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20687029
Product of the distinct prime numbers
The prime factorization of 20687029 is 19 × 11 × 98981.
Since it has a total of 3 prime factors.
4 , 1 , 62 , 49 , 77 , 387 , 1168 , 7618 , 24737 , 29387 , 550996 , 598435 , 217449 , 6485236 , 38415705 , 31702068 , 352075319 , 34478967 , 6243802244 , 6176728545
n×2
41374058
n×3
62061087
n×4
82748116
n×5
103435145
n÷2
10343514.5
n÷3
6895676.3333333
n÷3
5171757.25
n÷5
4137405.8
n2
427953168846841
n3
8.8530796145765E+21
n4
1.8314391472605E+29
n5
3.7887034751114E+36
2 √n
4548.2995723677
3 √n
274.51497535539
4 √n
67.441082230104
5 √n
29.049564410026
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
-20687028
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 20687029 can be divided by 8 positive divisors.
The sum of these divisors (counting 20687029) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010100010110101
3
Ternary
1102221000021021
4
Quaternary
1032322202311
5
Quinary
20243441104
6
Senary
2015221141
8
Octal
116724265
10
Decimal
20687029
12
Duodecimal
6b177b1
16
Hexadecimal
13ba8b5
20
Vigesimal
695hb9
36
Base36
cbe7p
md5
ea80cfb05ff9d5e6848ad49e165183b3
sha1
10153b0c1e214265d53a6b1cb2c4c2dae52bb60d
sha256
ccbb7061fce07b0eed5a004e997ccb165c0f1fb429c33ff97f6c762604474a6a
sha512
eb37e87c1547b07d03439ba9d4aafc8441dd71e55bf92b7d3457e9a2d21456956094218d16ab2d3f96bb686fe6edd8bf7d92d790d3793bfb21caf8ddd48df5fc
ripemd-160
cddc3b1de63f8ab25355e115d836120b11f3db66
Diameter
41374058
Circumference
129980436.662
Area
1.3444545313297E+15
Volume
3.7083693171732E+22
Surface area
5.3778181253188E+15
Circumference
129980436.662
Perimeter
82748116
Area
427953168846841
Diagonal
29255876.977006
Surface area
2567719013081046
Volume
8.8530796145765E+21
Space diagonal
35830985.285651
Perimeter
62061087
Area
1.8530915792571E+14
Altitude
17915492.642825
Surface area
1.8530915792571E+14
Volume
1.0433454383086E+21
Height
9751958.9923352