20807571 is an odd 8-digits composite number following 20807570
and preceding 20807572 . In scientific notation, it is written as 2.0807571 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12958176 positive integers (up to 20807571) that are relatively prime to 20807571.
20807571 has 16 divisors, whose sum is 29627136
The reverse of 20807571 is 17570802
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred seven thousand five hundred seventy-one
Scientific notation
2.0807571 × 10^7
Engineering notation
2.0807571 × 10^6
Prime Factorization
3 × 23 × 43 × 7013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20807571
Product of the distinct prime numbers
The prime factorization of 20807571 is 3 × 23 × 43 × 7013.
Since it has a total of 4 prime factors.
8 , 7 , 55 , 70 , 907 , 87 , 9507 , 6045 , 15894 , 73955 , 764351 , 35367 , 5689556 , 8224268 , 68386177 , 5820847 , 544353197 , 24893098 , 9068598387 , 4871193955
n×2
41615142
n×3
62422713
n×4
83230284
n×5
104037855
n÷2
10403785.5
n÷3
6935857
n÷3
5201892.75
n÷5
4161514.2
n2
432955010920041
n3
9.0087421295245E+21
n4
1.8745004148077E+29
n5
3.9003800470641E+36
2 √n
4561.531650663
3 √n
275.04713682356
4 √n
67.53911200677
5 √n
29.083339770962
1 , 3 , 23 , 43 , 69 , 129 , 989 , 2967 , 7013 , 21039 , 161299 , 301559 , 483897 , 904677 , 6935857 , 20807571
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20807570
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20807571 can be divided by 16 positive divisors.
The sum of these divisors (counting 20807571) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111111110010011
3
Ternary
1110011010121210
4
Quaternary
1033113332103
5
Quinary
20311320241
6
Senary
2021551203
8
Octal
117277623
10
Decimal
20807571
12
Duodecimal
6b75503
16
Hexadecimal
13d7f93
20
Vigesimal
6a0iib
36
Base36
cdz83
md5
0b71ed7593b320ae90829a02e211ef75
sha1
31a569d63fd56ae7251cc4a1f49fd4885c597292
sha256
4e21e412790f4dd7c5caff3b8d9265844c6d3520de0cf1610c2476b36014a033
sha512
73e41a6f64fa8fb4e17d335529101c717b2434ecf511c8056dc1cc3107108f1607404a77d44f3c811e49f9be423a2bfffdc2050630695345dafa427eab016b1b
ripemd-160
9009cac8b0fb4ee06cfb07086d30a874e3a3c75a
Diameter
41615142
Circumference
130737824.3853
Area
1.3601682816413E+15
Volume
3.7735730789599E+22
Surface area
5.4406731265652E+15
Circumference
130737824.3853
Perimeter
83230284
Area
432955010920041
Diagonal
29426349.108241
Surface area
2597730065520246
Volume
9.0087421295245E+21
Space diagonal
36039770.154097
Perimeter
62422713
Area
1.8747501907626E+14
Altitude
18019885.077048
Surface area
1.8747501907626E+14
Volume
1.0616904416246E+21
Height
9808783.0360804