20155181 is an odd 8-digits composite number following 20155180
and preceding 20155182 . In scientific notation, it is written as 2.0155181 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 19057248 positive integers (up to 20155181) that are relatively prime to 20155181.
20155181 has 8 divisors, whose sum is 21257280
The reverse of 20155181 is 18155102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred fifty-five thousand one hundred eighty-one
Scientific notation
2.0155181 × 10^7
Engineering notation
2.0155181 × 10^6
Prime Factorization
1097 × 19 × 967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20155181
Product of the distinct prime numbers
The prime factorization of 20155181 is 1097 × 19 × 967.
Since it has a total of 3 prime factors.
1 , 7 , 34 , 18 , 479 , 258 , 3327 , 2068 , 99504 , 83251 , 877677 , 732515 , 9865588 , 5497603 , 73326603 , 32919350 , 168657465 , 498968965 , 7959628519 , 2874532718
n×2
40310362
n×3
60465543
n×4
80620724
n×5
100775905
n÷2
10077590.5
n÷3
6718393.6666667
n÷3
5038795.25
n÷5
4031036.2
n2
406231321142761
n3
8.1876658055015E+21
n4
1.6502388627739E+29
n5
3.3260862972443E+36
2 √n
4489.4521937537
3 √n
272.14199711641
4 √n
67.003374495272
5 √n
28.898635716974
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
-20155180
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 20155181 can be divided by 8 positive divisors.
The sum of these divisors (counting 20155181) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000101100101101
3
Ternary
1101220222201012
4
Quaternary
1030320230231
5
Quinary
20124431211
6
Senary
1555555005
8
Octal
114705455
10
Decimal
20155181
12
Duodecimal
68bba65
16
Hexadecimal
1338b2d
20
Vigesimal
65j7j1
36
Base36
bzzu5
md5
fe5dfd8c0e07d56fce15767a9b4e63ef
sha1
9bd4f7aa3131c9ec6fed7f8596134651c2b721db
sha256
26ce76f8c5c07cfed5fd7ce88514dd0a680cb16796de44b8c7b604ead8a2ae6b
sha512
dadb6c635a9c29e9ce795afd886190adafd0a99a42f38179818aff658b4b35d6dd907945fde2eb90a9e66184a684cf351e65ff962828a93220effdf23a16c613
ripemd-160
a5e9b63a08af21801ef54c8cb8d9ddb899692f01
Diameter
40310362
Circumference
126638737.12275
Area
1.2762133341602E+15
Volume
3.4296414326149E+22
Surface area
5.1048533366407E+15
Circumference
126638737.12275
Perimeter
80620724
Area
406231321142761
Diagonal
28503730.322285
Surface area
2437387926856566
Volume
8.1876658055015E+21
Space diagonal
34909797.527747
Perimeter
60465543
Area
1.7590332196127E+14
Altitude
17454898.763873
Surface area
1.7590332196127E+14
Volume
9.6492566885988E+20
Height
9501243.4407615