20072181 is an odd 8-digits composite number following 20072180
and preceding 20072182 . In scientific notation, it is written as 2.0072181 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13370832 positive integers (up to 20072181) that are relatively prime to 20072181.
20072181 has 8 divisors, whose sum is 26784160
The reverse of 20072181 is 18127002
Previous prime number is 3259
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million seventy-two thousand one hundred eighty-one
Scientific notation
2.0072181 × 10^7
Engineering notation
2.0072181 × 10^6
Prime Factorization
3 × 3259 × 2053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20072181
Product of the distinct prime numbers
The prime factorization of 20072181 is 3 × 3259 × 2053.
Since it has a total of 3 prime factors.
1 , 6 , 23 , 56 , 19 , 606 , 492 , 9292 , 6480 , 77869 , 119411 , 509747 , 3368581 , 8528389 , 38481911 , 46163187 , 764928121 , 207622351 , 7907219765 , 9075425371
n×2
40144362
n×3
60216543
n×4
80288724
n×5
100360905
n÷2
10036090.5
n÷3
6690727
n÷3
5018045.25
n÷5
4014436.2
n2
402892450096761
n3
8.0869301818757E+21
n4
1.6232232634497E+29
n5
3.2581631147373E+36
2 √n
4480.198767912
3 √n
271.76791856472
4 √n
66.934286938101
5 √n
28.874795221044
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
-20072180
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 20072181 can be divided by 8 positive divisors.
The sum of these divisors (counting 20072181) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100100011011110101
3
Ternary
1101202202212010
4
Quaternary
1030210123311
5
Quinary
20114302211
6
Senary
1554114433
8
Octal
114443365
10
Decimal
20072181
12
Duodecimal
687ba19
16
Hexadecimal
13246f5
20
Vigesimal
659091
36
Base36
by7sl
md5
53ca68b0d2843302d01e42863c272fe7
sha1
8cbd37d30a8d2439bdb7d7ec7dc47622bea9cd58
sha256
c7b7697394d203185203a773d50c5159e21e2da9643eff8833d84a4fb2502395
sha512
d6737ab0282ac9ab49df700cf1aea302134f8f2fb5c2e54b3c1fa840f52d5c35a07bcc9672cdc232aee6b98580ce0d70d5aa309d3f09a60fcab17729b20102c1
ripemd-160
66450aa2075c05e243fb8c778b77910e599eb8d2
Diameter
40144362
Circumference
126117232.74225
Area
1.2657239614108E+15
Volume
3.3874453932632E+22
Surface area
5.0628958456431E+15
Circumference
126117232.74225
Perimeter
80288724
Area
402892450096761
Diagonal
28386350.596608
Surface area
2417354700580566
Volume
8.0869301818757E+21
Space diagonal
34766037.310719
Perimeter
60216543
Area
1.7445754838837E+14
Altitude
17383018.655359
Surface area
1.7445754838837E+14
Volume
9.5305386176441E+20
Height
9462116.8655359