20209871 is an odd 8-digits composite number following 20209870
and preceding 20209872 . In scientific notation, it is written as 2.0209871 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17944920 positive integers (up to 20209871) that are relatively prime to 20209871.
20209871 has 8 divisors, whose sum is 22560384
The reverse of 20209871 is 17890202
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred nine thousand eight hundred seventy-one
Scientific notation
2.0209871 × 10^7
Engineering notation
2.0209871 × 10^6
Prime Factorization
43 × 11 × 42727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20209871
Product of the distinct prime numbers
The prime factorization of 20209871 is 43 × 11 × 42727.
Since it has a total of 3 prime factors.
5 , 3 , 98 , 26 , 129 , 815 , 7661 , 4172 , 56532 , 31341 , 792239 , 439437 , 6958351 , 2907115 , 62409296 , 94127725 , 49461804 , 271213328 , 2137879641 , 9893294972
n×2
40419742
n×3
60629613
n×4
80839484
n×5
101049355
n÷2
10104935.5
n÷3
6736623.6666667
n÷3
5052467.75
n÷5
4041974.2
n2
408438885836641
n3
8.2544971941422E+21
n4
1.6682232346348E+29
n5
3.3714576371171E+36
2 √n
4495.5390110642
3 √n
272.38792237452
4 √n
67.048780832049
5 √n
28.914301701523
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
-20209870
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 20209871 can be divided by 8 positive divisors.
The sum of these divisors (counting 20209871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110000011001111
3
Ternary
1102000202201202
4
Quaternary
1031012003033
5
Quinary
20133203441
6
Senary
2001100115
8
Octal
115060317
10
Decimal
20209871
12
Duodecimal
692763b
16
Hexadecimal
13460cf
20
Vigesimal
6664db
36
Base36
c161b
md5
680a44871b79204359f34a82b6ea69de
sha1
c65dd3076404cd615e1dc89b04907172b7756ca6
sha256
3cab5d21f0c5872d921a478b05926f6cb1e1eca0bccd971e6b3e0a0eaf5e14b2
sha512
d57e152c9f90898f231275b191dfccc9fdb85fe246565c1662a2788e41a8390f826bbf0a8561e08387f9835ac8204b1b6506d34025259ac4c1811cf013cb3c49
ripemd-160
c1a5eb5466a76e456aba13c22e9f95cef763d3b7
Diameter
40419742
Circumference
126982364.52719
Area
1.2831486031848E+15
Volume
3.457635699226E+22
Surface area
5.1325944127392E+15
Circumference
126982364.52719
Perimeter
80839484
Area
408438885836641
Diagonal
28581073.662011
Surface area
2450633315019846
Volume
8.2544971941422E+21
Space diagonal
35004523.386413
Perimeter
60629613
Area
1.7685922551397E+14
Altitude
17502261.693206
Surface area
1.7685922551397E+14
Volume
9.7280182354388E+20
Height
9527024.5540036