20797761 is an odd 8-digits composite number following 20797760
and preceding 20797762 . In scientific notation, it is written as 2.0797761 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13135392 positive integers (up to 20797761) that are relatively prime to 20797761.
20797761 has 4 divisors, whose sum is 21162692
The reverse of 20797761 is 16779702
Previous prime number is 57
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred ninety-seven thousand seven hundred sixty-one
Scientific notation
2.0797761 × 10^7
Engineering notation
2.0797761 × 10^6
Prime Factorization
57 × 364873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20797761
Product of the distinct prime numbers
The prime factorization of 20797761 is 57 × 364873.
Since it has a total of 2 prime factors.
6 , 10 , 99 , 83 , 299 , 88 , 8842 , 2307 , 50893 , 89184 , 430329 , 978890 , 2430374 , 9980917 , 19819021 , 57121846 , 956817839 , 528896367 , 2234945588 , 4901531298
n×2
41595522
n×3
62393283
n×4
83191044
n×5
103988805
n÷2
10398880.5
n÷3
6932587
n÷3
5199440.25
n÷5
4159552.2
n2
432546862613121
n3
8.9960062699275E+21
n4
1.8709678835645E+29
n5
3.8911942881051E+36
2 √n
4560.4562271773
3 √n
275.0039051787
4 √n
67.531150050753
5 √n
29.080596909884
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
-20797760
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 20797761 can be divided by 4 positive divisors.
The sum of these divisors (counting 20797761) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101100101000001
3
Ternary
1110010122011110
4
Quaternary
1033111211001
5
Quinary
20311012021
6
Senary
2021433533
8
Octal
117254501
10
Decimal
20797761
12
Duodecimal
6b6b8a9
16
Hexadecimal
13d5941
20
Vigesimal
69je81
36
Base36
cdrnl
md5
13a3448e28479d3fd53716dd075a4f04
sha1
8f17908054607bd0fa79d1f7dc0f2717d4fe9ebb
sha256
7be1c3936670d8161389d291c42090010b29362855771b65582da5d0b5822a1b
sha512
a3d8622b3f7a8ebdcd97cc759f9f705ff6d6d7cce56245f8e1748c35f69cba213064a34d36276beaa58c544daa34d1d76a58834df3b77ac54c5731d0110f4e60
ripemd-160
682ede50cb3dc110fb84e17d9eec2fd4c18b5df2
Diameter
41595522
Circumference
130676186.33743
Area
1.3588860459187E+15
Volume
3.7682382945669E+22
Surface area
5.4355441836748E+15
Circumference
130676186.33743
Perimeter
83191044
Area
432546862613121
Diagonal
29412475.673194
Surface area
2595281175678726
Volume
8.9960062699275E+21
Space diagonal
36022778.735675
Perimeter
62393283
Area
1.8729828567511E+14
Altitude
18011389.367837
Surface area
1.8729828567511E+14
Volume
1.0601895061771E+21
Height
9804158.5577314