20798913 is an odd 8-digits composite number following 20798912
and preceding 20798914 . In scientific notation, it is written as 2.0798913 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13865940 positive integers (up to 20798913) that are relatively prime to 20798913.
20798913 has 4 divisors, whose sum is 27731888
The reverse of 20798913 is 31989702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred ninety-eight thousand nine hundred thirteen
Scientific notation
2.0798913 × 10^7
Engineering notation
2.0798913 × 10^6
Prime Factorization
3 × 6932971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20798913
Product of the distinct prime numbers
The prime factorization of 20798913 is 3 × 6932971.
Since it has a total of 2 prime factors.
1 , 1 , 17 , 87 , 3 , 938 , 8668 , 6212 , 8695 , 83552 , 736399 , 280434 , 5998857 , 2194704 , 84891084 , 62932164 , 624385176 , 595017729 , 6382595794 , 4136824200
n×2
41597826
n×3
62396739
n×4
83195652
n×5
103994565
n÷2
10399456.5
n÷3
6932971
n÷3
5199728.25
n÷5
4159782.6
n2
432594781981569
n3
8.9975012346886E+21
n4
1.8713824539768E+29
n5
3.892272084999E+36
2 √n
4560.5825285812
3 √n
275.0089826267
4 √n
67.532085178685
5 √n
29.08091906096
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20798912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20798913 can be divided by 4 positive divisors.
The sum of these divisors (counting 20798913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101110111000001
3
Ternary
1110010200202010
4
Quaternary
1033111313001
5
Quinary
20311031123
6
Senary
2021443133
8
Octal
117256701
10
Decimal
20798913
12
Duodecimal
6b704a9
16
Hexadecimal
13d5dc1
20
Vigesimal
69jh5d
36
Base36
cdsjl
md5
3a566116892834fe4d9c2c7a57dca0cd
sha1
b813026791c8721b4a61d3013b8d59f0fdd3c449
sha256
20cbe31f08b9e5c2653beafb56896c410bc8e93e2fb0f557696471579e31e84c
sha512
50c4390fbd31bb045eccd260b462602213b54fc58ece5c8de28596ad2e54eb9b401645c9ea14a7beb27e8a724b69da1c417f41d2b8646c72b05dd32170afa394
ripemd-160
55e9172a580965ce314727923e6b29926ad2b77c
Diameter
41597826
Circumference
130683424.56691
Area
1.3590365890546E+15
Volume
3.7688645039417E+22
Surface area
5.4361463562183E+15
Circumference
130683424.56691
Perimeter
83195652
Area
432594781981569
Diagonal
29414104.847218
Surface area
2595568691889414
Volume
8.9975012346886E+21
Space diagonal
36024774.058205
Perimeter
62396739
Area
1.8731903537031E+14
Altitude
18012387.029102
Surface area
1.8731903537031E+14
Volume
1.0603656894638E+21
Height
9804701.6157394