20687320 is an even 8-digits composite number following 20687319
and preceding 20687321 . In scientific notation, it is written as 2.0687320 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 8274912 positive integers (up to 20687320) that are relatively prime to 20687320.
20687320 has 16 divisors, whose sum is 46546560
The reverse of 20687320 is 02378602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred eighty-seven thousand three hundred twenty
Scientific notation
2.0687320 × 10^7
Engineering notation
2.0687320 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 517183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5171830
Product of the distinct prime numbers
The prime factorization of 20687320 is 2 × 2 × 2 × 5 × 517183.
Since it has a total of 5 prime factors.
4 , 7 , 68 , 75 , 307 , 607 , 389 , 654 , 8735 , 21288 , 58058 , 557162 , 2423836 , 7611958 , 38161465 , 68658061 , 908655561 , 605480786 , 2033288358 , 6430384168
n×2
41374640
n×3
62061960
n×4
82749280
n×5
103436600
n÷2
10343660
n÷3
6895773.3333333
n÷3
5171830
n÷5
4137464
n2
427965208782400
n3
8.8534532229483E+21
n4
1.8315421992816E+29
n5
3.7889699570043E+36
2 √n
4548.3315622325
3 √n
274.51626253045
4 √n
67.441319398663
5 √n
29.049646136365
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 517183 , 1034366 , 2068732 , 2585915 , 4137464 , 5171830 , 10343660 , 20687320
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
-20687319
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 20687320 can be divided by 16 positive divisors.
The sum of these divisors (counting 20687320) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010100111011000
3
Ternary
1102221000200001
4
Quaternary
1032322213120
5
Quinary
20243443240
6
Senary
2015222344
8
Octal
116724730
10
Decimal
20687320
12
Duodecimal
6b179b4
16
Hexadecimal
13ba9d8
20
Vigesimal
695i60
36
Base36
cbefs
md5
5943671cff71a10792726aebae85caee
sha1
043be1416af28f1adf132411bf777019390afcc8
sha256
9b1ddfe862e3694e761c6a9bfd3ef570ff7ee9fea7d27cab3074394f10f9706f
sha512
fcabee27aa11a8103020d509a4e973b7bb6319ecec0a9dab9300f25046552d10a451ad07261c2b413fb00c310141ecd8bbf86010e9cb5804fd91630fd2b30383
ripemd-160
112f40107b51f60a7ca2cee4706414a80dbf1772
Diameter
41374640
Circumference
129982265.06892
Area
1.3444923559028E+15
Volume
3.708525813882E+22
Surface area
5.3779694236112E+15
Circumference
129982265.06892
Perimeter
82749280
Area
427965208782400
Diagonal
29256288.513152
Surface area
2567791252694400
Volume
8.8534532229483E+21
Space diagonal
35831489.312436
Perimeter
62061960
Area
1.8531437137073E+14
Altitude
17915744.656218
Surface area
1.8531437137073E+14
Volume
1.0433894684774E+21
Height
9752096.1710507