20687078 is an even 8-digits composite number following 20687077
and preceding 20687079 . In scientific notation, it is written as 2.0687078 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10343538 positive integers (up to 20687078) that are relatively prime to 20687078.
20687078 has 4 divisors, whose sum is 31030620
The reverse of 20687078 is 87078602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred eighty-seven thousand seventy-eight
Scientific notation
2.0687078 × 10^7
Engineering notation
2.0687078 × 10^6
Prime Factorization
2 × 10343539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20687078
Product of the distinct prime numbers
The prime factorization of 20687078 is 2 × 10343539.
Since it has a total of 2 prime factors.
7 , 2 , 10 , 52 , 875 , 240 , 7818 , 1284 , 53028 , 38553 , 445165 , 175188 , 8203273 , 3257301 , 50553874 , 38764485 , 25368716 , 214922158 , 9123794984 , 2005562364
n×2
41374156
n×3
62061234
n×4
82748312
n×5
103435390
n÷2
10343539
n÷3
6895692.6666667
n÷3
5171769.5
n÷5
4137415.6
n2
427955196178084
n3
8.8531425238413E+21
n4
1.8314564993582E+29
n5
3.7887483455831E+36
2 √n
4548.304958993
3 √n
274.51519209705
4 √n
67.441122165879
5 √n
29.04957817157
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20687077
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20687078 can be divided by 4 positive divisors.
The sum of these divisors (counting 20687078) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010100011100110
3
Ternary
1102221000100002
4
Quaternary
1032322203212
5
Quinary
20243441303
6
Senary
2015221302
8
Octal
116724346
10
Decimal
20687078
12
Duodecimal
6b17832
16
Hexadecimal
13ba8e6
20
Vigesimal
695hdi
36
Base36
cbe92
md5
fa235dce8ddc614c5a9ecf52c6db90e9
sha1
acd40044978f51e7619fca40f8250ac1d249a2b7
sha256
e3278a5ca85d881819f887671d4bad7678f646abe89e3f73ec58e9fcfe91e5fd
sha512
e304bca8cc3f7e611fbd070649571bc8179e9f15df6334ac119e88138da00fda2e2e7b64af460c85532845fd0e72bd77183398141fa3bac1d71086eb483e0562
ripemd-160
524ba4ae50de0e414027490ceb610d3f2a09d56d
Diameter
41374156
Circumference
129980744.53808
Area
1.3444609003786E+15
Volume
3.7083956685444E+22
Surface area
5.3778436015146E+15
Circumference
129980744.53808
Perimeter
82748312
Area
427955196178084
Diagonal
29255946.27347
Surface area
2567731177068504
Volume
8.8531425238413E+21
Space diagonal
35831070.15614
Perimeter
62061234
Area
1.8531003578589E+14
Altitude
17915535.07807
Surface area
1.8531003578589E+14
Volume
1.0433528522365E+21
Height
9751982.0911567