20991330 is an even 8-digits composite number following 20991329
and preceding 20991331 . In scientific notation, it is written as 2.0991330 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5562144 positive integers (up to 20991330) that are relatively prime to 20991330.
20991330 has 32 divisors, whose sum is 42249600
The reverse of 20991330 is 03319902
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million nine hundred ninety-one thousand three hundred thirty
Scientific notation
2.0991330 × 10^7
Engineering notation
2.0991330 × 10^6
Prime Factorization
2 × 9 × 5 × 179 × 1303
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20991330
Product of the distinct prime numbers
The prime factorization of 20991330 is 2 × 9 × 5 × 179 × 1303.
Since it has a total of 5 prime factors.
5 , 1 , 91 , 28 , 954 , 194 , 5942 , 5377 , 22768 , 70586 , 880434 , 53402 , 3782936 , 1122432 , 29489669 , 401341 , 82235275 , 675896128 , 6722899116 , 1637767872
n×2
41982660
n×3
62973990
n×4
83965320
n×5
104956650
n÷2
10495665
n÷3
6997110
n÷3
5247832.5
n÷5
4198266
n2
440635935168900
n3
9.249534324989E+21
n4
1.9416002736217E+29
n5
4.0756772071684E+36
2 √n
4581.6296227434
3 √n
275.85444436003
4 √n
67.687736132503
5 √n
29.134528310037
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 179 , 358 , 895 , 1303 , 1611 , 1790 , 2606 , 3222 , 6515 , 8055 , 11727 , 13030 , 16110 , 23454 , 58635 , 117270 , 233237 , 466474 , 1166185 , 2099133 , 2332370 , 4198266 , 10495665 , 20991330
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20991329
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991330 can be divided by 32 positive divisors.
The sum of these divisors (counting 20991330) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000100110101100010
3
Ternary
1110111110200200
4
Quaternary
1100010311202
5
Quinary
20333210310
6
Senary
2025530030
8
Octal
120046542
10
Decimal
20991330
12
Duodecimal
7043916
16
Hexadecimal
1404d62
20
Vigesimal
6b3i6a
36
Base36
chx0i
md5
fea5a2892cae5515242f48e5bc9f1a9d
sha1
3965bedf39f4d72a1913becd4262305b55f9ad5c
sha256
6a143164f8a82c629ecdb8fc76cd783a3e9fa1fa68b41c66ed921f56a3ba5428
sha512
f75c293da3642e7a00bdab8dc16aca07173fa55e0b9c416d725920c1ef5a8c32fe751f05d2aa859fb0243d2de6db898bae2300d09c339d4f57c8fd7f2e853c70
ripemd-160
41c6d9e2df626bcf790c9e2a4390f58c1056e3e9
Diameter
41982660
Circumference
131892416.23416
Area
1.3842986168343E+15
Volume
3.8744358779349E+22
Surface area
5.5371944673371E+15
Circumference
131892416.23416
Perimeter
83965320
Area
440635935168900
Diagonal
29686223.578249
Surface area
2643815611013400
Volume
9.249534324989E+21
Space diagonal
36358050.078445
Perimeter
62973990
Area
1.9080095683829E+14
Altitude
18179025.039222
Surface area
1.9080095683829E+14
Volume
1.0900680740029E+21
Height
9895407.8594164