20687796 is an even 8-digits composite number following 20687795
and preceding 20687797 . In scientific notation, it is written as 2.0687796 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 6876288 positive integers (up to 20687796) that are relatively prime to 20687796.
20687796 has 24 divisors, whose sum is 40341000
The reverse of 20687796 is 69778602
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred eighty-seven thousand seven hundred ninety-six
Scientific notation
2.0687796 × 10^7
Engineering notation
2.0687796 × 10^6
Prime Factorization
2 × 2 × 9 × 509 × 1129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10343898
Product of the distinct prime numbers
The prime factorization of 20687796 is 2 × 2 × 9 × 509 × 1129.
Since it has a total of 5 prime factors.
9 , 7 , 20 , 98 , 183 , 989 , 9340 , 7228 , 78831 , 18257 , 868693 , 888108 , 1353229 , 7693258 , 32720966 , 3403739 , 160098401 , 755948356 , 1236028760 , 1559057066
n×2
41375592
n×3
62063388
n×4
82751184
n×5
103438980
n÷2
10343898
n÷3
6895932
n÷3
5171949
n÷5
4137559.2
n2
427984903337616
n3
8.8540643713283E+21
n4
1.8317107748491E+29
n5
3.789405884108E+36
2 √n
4548.3838888115
3 √n
274.51836798665
4 √n
67.44170733909
5 √n
29.049779817328
1 , 2 , 4 , 9 , 18 , 36 , 509 , 1018 , 1129 , 2036 , 2258 , 4516 , 4581 , 9162 , 10161 , 18324 , 20322 , 40644 , 574661 , 1149322 , 2298644 , 5171949 , 10343898 , 20687796
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20687795
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20687796 can be divided by 24 positive divisors.
The sum of these divisors (counting 20687796) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010101110110100
3
Ternary
1102221001022200
4
Quaternary
1032322232310
5
Quinary
20244002141
6
Senary
2015224500
8
Octal
116725664
10
Decimal
20687796
12
Duodecimal
6b18130
16
Hexadecimal
13babb4
20
Vigesimal
695j9g
36
Base36
cbet0
md5
5d9483e07d459ebfb4a85da8eb454830
sha1
0fc932847e7cc902297da23ffdf9921630ad78a5
sha256
5a30161143fca6e829f66e218f69614901d32e0ca339355d72dfc249863c6cf0
sha512
5edea41e8228350fcb60086acd5346eaa85f2c0b5701c0539077ad7fdceed7208a370fa4f79d8e6e8c55513359c1d1f1ad50bdcc36d3d9dbf3ee8f63e05cfcef
ripemd-160
2fd8fa8e68c763b1e44de13a28b40538f846aaba
Diameter
41375592
Circumference
129985255.86513
Area
1.3445542281728E+15
Volume
3.7087818111168E+22
Surface area
5.3782169126912E+15
Circumference
129985255.86513
Perimeter
82751184
Area
427984903337616
Diagonal
29256961.678808
Surface area
2567909420025696
Volume
8.8540643713283E+21
Space diagonal
35832313.76862
Perimeter
62063388
Area
1.853228993633E+14
Altitude
17916156.88431
Surface area
1.853228993633E+14
Volume
1.0434614930047E+21
Height
9752320.5596026