20780169 is an odd 8-digits composite number following 20780168
and preceding 20780170 . In scientific notation, it is written as 2.0780169 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13821696 positive integers (up to 20780169) that are relatively prime to 20780169.
20780169 has 8 divisors, whose sum is 27770400
The reverse of 20780169 is 96108702
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million seven hundred eighty thousand one hundred sixty-nine
Scientific notation
2.0780169 × 10^7
Engineering notation
2.0780169 × 10^6
Prime Factorization
3 × 449 × 15427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20780169
Product of the distinct prime numbers
The prime factorization of 20780169 is 3 × 449 × 15427.
Since it has a total of 3 prime factors.
1 , 6 , 2 , 42 , 708 , 193 , 3218 , 2656 , 17348 , 51214 , 895008 , 781307 , 6497503 , 1724724 , 97690038 , 25310111 , 250454633 , 285982193 , 5034685473 , 8228274585
n×2
41560338
n×3
62340507
n×4
83120676
n×5
103900845
n÷2
10390084.5
n÷3
6926723
n÷3
5195042.25
n÷5
4156033.8
n2
431815423668561
n3
8.9731974806393E+21
n4
1.8646456011806E+29
n5
3.8747650717639E+36
2 √n
4558.5270647436
3 √n
274.92634501257
4 √n
67.516865039363
5 √n
29.075675620128
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
-20780168
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 20780169 can be divided by 8 positive divisors.
The sum of these divisors (counting 20780169) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010001010010001001
3
Ternary
1110002202000220
4
Quaternary
1033101102021
5
Quinary
20304431134
6
Senary
2021220253
8
Octal
117212211
10
Decimal
20780169
12
Duodecimal
6b61689
16
Hexadecimal
13d1489
20
Vigesimal
69ha89
36
Base36
cde2x
md5
7fcad77e1988636afd5e208a75609932
sha1
d245834b07265713dac2fbbafeabc779e9440292
sha256
ab8774c2f13806e913b7cce1d25202c86c0190c1cfb522ca9ca24f61557e2181
sha512
47df9b71e73e20cc366b267aca6359577dd9e9a17f581a0fa0d98c6ba80ee8371147243d8c378328cb47354b8e861d7c1d4b6e56a120bc446bd016668e5a212d
ripemd-160
37b143f456b5c7135d7bbf1a896582cc0df6c70e
Diameter
41560338
Circumference
130565652.54151
Area
1.3565881627039E+15
Volume
3.7586841712516E+22
Surface area
5.4263526508157E+15
Circumference
130565652.54151
Perimeter
83120676
Area
431815423668561
Diagonal
29387596.828205
Surface area
2590892542011366
Volume
8.9731974806393E+21
Space diagonal
35992308.497868
Perimeter
62340507
Area
1.8698156332146E+14
Altitude
17996154.248934
Surface area
1.8698156332146E+14
Volume
1.057501464581E+21
Height
9795865.6094017