20687430 is an even 8-digits composite number following 20687429
and preceding 20687431 . In scientific notation, it is written as 2.0687430 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5516640 positive integers (up to 20687430) that are relatively prime to 20687430.
20687430 has 16 divisors, whose sum is 49649904
The reverse of 20687430 is 03478602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-seven thousand four hundred thirty
Scientific notation
2.0687430 × 10^7
Engineering notation
2.0687430 × 10^6
Prime Factorization
2 × 3 × 5 × 689581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20687430
Product of the distinct prime numbers
The prime factorization of 20687430 is 2 × 3 × 5 × 689581.
Since it has a total of 4 prime factors.
6 , 1 , 13 , 84 , 503 , 202 , 8294 , 6304 , 76957 , 69012 , 72354 , 289677 , 6139542 , 3984719 , 87834514 , 33163281 , 593825793 , 90190516 , 8674814491 , 2103118949
n×2
41374860
n×3
62062290
n×4
82749720
n×5
103437150
n÷2
10343715
n÷3
6895810
n÷3
5171857.5
n÷5
4137486
n2
427969760004900
n3
8.8535944522182E+21
n4
1.8315811547865E+29
n5
3.7890706928965E+36
2 √n
4548.3436545626
3 √n
274.51674908832
4 √n
67.441409049356
5 √n
29.049677029243
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 689581 , 1379162 , 2068743 , 3447905 , 4137486 , 6895810 , 10343715 , 20687430
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
-20687429
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 20687430 can be divided by 16 positive divisors.
The sum of these divisors (counting 20687430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010101001000110
3
Ternary
1102221000211010
4
Quaternary
1032322221012
5
Quinary
20243444210
6
Senary
2015223050
8
Octal
116725106
10
Decimal
20687430
12
Duodecimal
6b17a86
16
Hexadecimal
13baa46
20
Vigesimal
695iba
36
Base36
cbeiu
md5
f3d6b8a11fcda9ab86f0b394de1762bf
sha1
b975fb9819f0a430e20214010c7ccf811cc66c14
sha256
471f809e14c5d1a1730f02d247df292ec60e3ad8db166421bcf34bffa2967d92
sha512
113882dac0d6e09d29df0555af51a6f71fc0e05bb979d006a469d7b10415e00a7ca6e5377f56fd8410d128d9ab56933245c3a09ab1244a21484a4d62374d424a
ripemd-160
23522c18f402dbb66134ddf8095e0ffadac402e2
Diameter
41374860
Circumference
129982956.21931
Area
1.34450665399E+15
Volume
3.7085849718603E+22
Surface area
5.3780266159599E+15
Circumference
129982956.21931
Perimeter
82749720
Area
427969760004900
Diagonal
29256444.076644
Surface area
2567818560029400
Volume
8.8535944522182E+21
Space diagonal
35831679.838025
Perimeter
62062290
Area
1.8531634210789E+14
Altitude
17915839.919012
Surface area
1.8531634210789E+14
Volume
1.0434061125065E+21
Height
9752148.025548