20797798 is an even 8-digits composite number following 20797797
and preceding 20797799 . In scientific notation, it is written as 2.0797798 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 8913336 positive integers (up to 20797798) that are relatively prime to 20797798.
20797798 has 8 divisors, whose sum is 35653392
The reverse of 20797798 is 89779702
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty million seven hundred ninety-seven thousand seven hundred ninety-eight
Scientific notation
2.0797798 × 10^7
Engineering notation
2.0797798 × 10^6
Prime Factorization
2 × 7 × 1485557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797798
Product of the distinct prime numbers
The prime factorization of 20797798 is 2 × 7 × 1485557.
Since it has a total of 3 prime factors.
10 , 5 , 33 , 55 , 990 , 120 , 1999 , 2309 , 93060 , 56733 , 85799 , 171870 , 1656490 , 7127132 , 39402440 , 52979346 , 564035732 , 930666174 , 9426494206 , 9479468983
n×2
41595596
n×3
62393394
n×4
83191192
n×5
103988990
n÷2
10398899
n÷3
6932599.3333333
n÷3
5199449.5
n÷5
4159559.6
n2
432548401648804
n3
8.9960542827147E+21
n4
1.8709811976894E+29
n5
3.8912289011341E+36
2 √n
4560.4602837872
3 √n
275.00406825937
4 √n
67.531180085847
5 √n
29.080607256972
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
-20797797
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 20797798 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797798) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101100101100110
3
Ternary
1110010122012211
4
Quaternary
1033111211212
5
Quinary
20311012143
6
Senary
2021434034
8
Octal
117254546
10
Decimal
20797798
12
Duodecimal
6b6b91a
16
Hexadecimal
13d5966
20
Vigesimal
69je9i
36
Base36
cdrom
md5
7d69e41ab731ff18a4d3461992c3b867
sha1
0272b3defcf20f5c4b7df0335729fb47c6157988
sha256
a893002354554de5f21f52343d5f8a2ab94a97a8d22beed5240145434117b571
sha512
883879706957d9c586ede0e5156d0e86cdea6ecb1cfbbedec0d1186c5d0486992f50ecf1efdd023bd97276f702265332b49dd116bdfc4bf78c349cd483378d94
ripemd-160
86d87ad980199b4f24275f82ae1fa0e819aaeb67
Diameter
41595596
Circumference
130676418.81529
Area
1.3588908809419E+15
Volume
3.7682584061162E+22
Surface area
5.4355635237676E+15
Circumference
130676418.81529
Perimeter
83191192
Area
432548401648804
Diagonal
29412527.999096
Surface area
2595290409892824
Volume
8.9960542827147E+21
Space diagonal
36022842.821554
Perimeter
62393394
Area
1.8729895209711E+14
Altitude
18011421.410777
Surface area
1.8729895209711E+14
Volume
1.0601951645383E+21
Height
9804175.9996987