20798730 is an even 8-digits composite number following 20798729
and preceding 20798731 . In scientific notation, it is written as 2.0798730 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 5253984 positive integers (up to 20798730) that are relatively prime to 20798730.
20798730 has 8 divisors, whose sum is 31237152
The reverse of 20798730 is 03789702
Previous prime number is 855
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred ninety-eight thousand seven hundred thirty
Scientific notation
2.0798730 × 10^7
Engineering notation
2.0798730 × 10^6
Prime Factorization
2 × 855 × 12163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20798730
Product of the distinct prime numbers
The prime factorization of 20798730 is 2 × 855 × 12163.
Since it has a total of 3 prime factors.
8 , 4 , 8 , 82 , 568 , 258 , 6589 , 2167 , 7983 , 39512 , 433480 , 965456 , 5045678 , 5600209 , 75454130 , 50821790 , 837987613 , 936342213 , 9531539781 , 2094468755
n×2
41597460
n×3
62396190
n×4
83194920
n×5
103993650
n÷2
10399365
n÷3
6932910
n÷3
5199682.5
n÷5
4159746
n2
432587169612900
n3
8.9972637422429E+21
n4
1.871316593137E+29
n5
3.8921008565176E+36
2 √n
4560.5624653106
3 √n
275.00817606545
4 √n
67.531936632312
5 √n
29.080867886873
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
-20798729
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 20798730 can be divided by 8 positive divisors.
The sum of these divisors (counting 20798730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101110100001010
3
Ternary
1110010200111100
4
Quaternary
1033111310022
5
Quinary
20311024410
6
Senary
2021442230
8
Octal
117256412
10
Decimal
20798730
12
Duodecimal
6b70376
16
Hexadecimal
13d5d0a
20
Vigesimal
69jgga
36
Base36
cdsei
md5
b009b7946512bb122f42fe30ca68eedc
sha1
fbb2fd2f7aacb4acfbf647d616f3ed7cb99dd32e
sha256
f80217cc407ae8390280aec27683f7fe7a44410c8da04cfa7538533f655f7076
sha512
836020f67a1094d1efdfd836c98166afc31e82746a92a874f45fd0f174b766737bf0b61263b2a17f9a4aa1e18bf93ac6a9a6bf896a35599364b044462e5936e9
ripemd-160
b107606359f24e58a6d0785bf71655f2eeb2bb98
Diameter
41597460
Circumference
130682274.744
Area
1.3590126740931E+15
Volume
3.7687650233387E+22
Surface area
5.4360506963724E+15
Circumference
130682274.744
Perimeter
83194920
Area
432587169612900
Diagonal
29413846.046136
Surface area
2595523017677400
Volume
8.9972637422429E+21
Space diagonal
36024457.092907
Perimeter
62396190
Area
1.8731573911799E+14
Altitude
18012228.546454
Surface area
1.8731573911799E+14
Volume
1.0603377007106E+21
Height
9804615.3487121