20798731 is an odd 8-digits prime number following 20798730
and preceding 20798732 . In scientific notation, it is written as 2.0798731 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20798730 positive integers (up to 20798731) that are relatively prime to 20798731.
20798731 has 2 divisors, whose sum is 20798732
The reverse of 20798731 is 13789702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred ninety-eight thousand seven hundred thirty-one
Scientific notation
2.0798731 × 10^7
Engineering notation
2.0798731 × 10^6
Prime Factorization
20798731
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20798731
Product of the distinct prime numbers
The prime factorization of 20798731 is 20798731.
Since it has a total of 1 prime factors.
8 , 7 , 66 , 1 , 629 , 837 , 6772 , 8330 , 70781 , 38246 , 380855 , 855490 , 379562 , 1996070 , 11819164 , 80473909 , 13680560 , 907227085 , 7034284172 , 7338726525
n×2
41597462
n×3
62396193
n×4
83194924
n×5
103993655
n÷2
10399365.5
n÷3
6932910.3333333
n÷3
5199682.75
n÷5
4159746.2
n2
432587211210361
n3
8.9972650400045E+21
n4
1.8713169530276E+29
n5
3.892101792176E+36
2 √n
4560.5625749462
3 √n
275.0081804729
4 √n
67.531937444044
5 √n
29.080868166514
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20798732
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10399366
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4560.5626845818
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038403
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20798731 can be divided by 2 positive divisors.
The sum of these divisors (counting 20798731) is 20798732, the average is 10399366.
Base
System
Value
2
Binary
1001111010101110100001011
3
Ternary
1110010200111101
4
Quaternary
1033111310023
5
Quinary
20311024411
6
Senary
2021442231
8
Octal
117256413
10
Decimal
20798731
12
Duodecimal
6b70377
16
Hexadecimal
13d5d0b
20
Vigesimal
69jggb
36
Base36
cdsej
md5
da2e5f81fd364de781e5fd4283531f21
sha1
772d76469c8191a39f2efa09f2f5247673307880
sha256
f93758a0cda50783b188c7df6697635076db56dd30640b2f6874fd3742d49282
sha512
b25a6c05f21b376ecfc7a82e2989b4ebeeb80aa19220cfa3c0c606395216f400ad2f8c7b1d9c6ee3e59af68bc733eef417e3c7cc4a61a0303c10dbf989a19fe3
ripemd-160
4541ae8de4efa74390af69037011e83ebae8108b
Diameter
41597462
Circumference
130682281.02718
Area
1.3590128047754E+15
Volume
3.7687655669438E+22
Surface area
5.4360512191015E+15
Circumference
130682281.02718
Perimeter
83194924
Area
432587211210361
Diagonal
29413847.46035
Surface area
2595523267262166
Volume
8.9972650400045E+21
Space diagonal
36024458.824958
Perimeter
62396193
Area
1.8731575713022E+14
Altitude
18012229.412479
Surface area
1.8731575713022E+14
Volume
1.0603378536533E+21
Height
9804615.8201166