20155280 is an even 8-digits composite number following 20155279
and preceding 20155281 . In scientific notation, it is written as 2.0155280 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors.
There are 8062080 positive integers (up to 20155280) that are relatively prime to 20155280.
20155280 has 20 divisors, whose sum is 46861212
The reverse of 20155280 is 08255102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred fifty-five thousand two hundred eighty
Scientific notation
2.0155280 × 10^7
Engineering notation
2.0155280 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 251941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2519410
Product of the distinct prime numbers
The prime factorization of 20155280 is 2 × 2 × 2 × 2 × 5 × 251941.
Since it has a total of 6 prime factors.
6 , 10 , 73 , 86 , 549 , 17 , 2704 , 6489 , 91504 , 24774 , 770497 , 919633 , 1218969 , 1606392 , 57836733 , 34354870 , 979174862 , 939560238 , 1960903691 , 206411981
n×2
40310560
n×3
60465840
n×4
80621120
n×5
100776400
n÷2
10077640
n÷3
6718426.6666667
n÷3
5038820
n÷5
4031056
n2
406235311878400
n3
8.1877864567965E+21
n4
1.6502712861694E+29
n5
3.3261679848705E+36
2 √n
4489.4632195843
3 √n
272.14244269272
4 √n
67.003456773395
5 √n
28.898664106293
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 251941 , 503882 , 1007764 , 1259705 , 2015528 , 2519410 , 4031056 , 5038820 , 10077640 , 20155280
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155280 can be divided by 20 positive divisors.
The sum of these divisors (counting 20155280) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111000101110010000
3
Ternary
1101220222211212
4
Quaternary
1030320232100
5
Quinary
20124432110
6
Senary
1555555252
8
Octal
114705620
10
Decimal
20155280
12
Duodecimal
68bbb28
16
Hexadecimal
1338b90
20
Vigesimal
65j840
36
Base36
bzzww
md5
3c822c045f9eb87c2ba70c6d443477ed
sha1
d8fbaeddc934815661832d8f9601d95a6445a7fd
sha256
096b94d37fb48a19c47efe5ea8f56d8b76ebfc260087103096b8ac4a051431a3
sha512
714a774386a1d29723888327cd1e89bcf88c090581684122830f33b53dac6714c8cbe059694398b827f2d2c12e556b9c7b92ba153aa7e997a8b6c4461815ab5d
ripemd-160
456af731becabd79647de91b2bc5d92401b59928
Diameter
40310560
Circumference
126639359.15809
Area
1.2762258714259E+15
Volume
3.4296919709112E+22
Surface area
5.1049034857038E+15
Circumference
126639359.15809
Perimeter
80621120
Area
406235311878400
Diagonal
28503870.329427
Surface area
2437411871270400
Volume
8.1877864567965E+21
Space diagonal
34909969.000777
Perimeter
60465840
Area
1.7590505000049E+14
Altitude
17454984.500388
Surface area
1.7590505000049E+14
Volume
9.6493988775136E+20
Height
9501290.1098091