20479871 is an odd 8-digits composite number following 20479870
and preceding 20479872 . In scientific notation, it is written as 2.0479871 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 19530000 positive integers (up to 20479871) that are relatively prime to 20479871.
20479871 has 12 divisors, whose sum is 21472632
The reverse of 20479871 is 17897402
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred seventy-nine thousand eight hundred seventy-one
Scientific notation
2.0479871 × 10^7
Engineering notation
2.0479871 × 10^6
Prime Factorization
31 × 31 × 101 × 211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
660641
Product of the distinct prime numbers
The prime factorization of 20479871 is 31 × 31 × 101 × 211.
Since it has a total of 4 prime factors.
10 , 5 , 75 , 84 , 394 , 276 , 3364 , 9552 , 47690 , 67249 , 838917 , 912283 , 220668 , 8623246 , 45174495 , 49826265 , 842724937 , 10917578 , 9198498175 , 6723598090
n×2
40959742
n×3
61439613
n×4
81919484
n×5
102399355
n÷2
10239935.5
n÷3
6826623.6666667
n÷3
5119967.75
n÷5
4095974.2
n2
419425116176641
n3
8.5897722734576E+21
n4
1.7591742807979E+29
n5
3.6027662337259E+36
2 √n
4525.4691469504
3 √n
273.59557702202
4 √n
67.271607286807
5 √n
28.991150024916
1 , 31 , 101 , 211 , 961 , 3131 , 6541 , 21311 , 97061 , 202771 , 660641 , 20479871
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20479870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20479871 can be divided by 12 positive divisors.
The sum of these divisors (counting 20479871) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000111111101111111
3
Ternary
1102112111002202
4
Quaternary
1032013331333
5
Quinary
20220323441
6
Senary
2010542115
8
Octal
116077577
10
Decimal
20479871
12
Duodecimal
6a3793b
16
Hexadecimal
1387f7f
20
Vigesimal
67jjdb
36
Base36
c6ydb
md5
5f7240e3161fed8d19d388fc346ab81d
sha1
479f1783d89105b08b556907504673d80ca0d5a7
sha256
d46e671f9107ed8e33863d30838a5d8f459dff372933fc6c9d45e0330f194529
sha512
6c73993a97757603b5b8708bc951558f181bb1c1990401e05995329006db4ee1d8ad92b59f366646d7be9c7730eaed79b5da27320aac31fcff723a9fad06f15b
ripemd-160
2fca5f5ff32f52eb6e8e291cca1cdc38453d6b66
Diameter
40959742
Circumference
128678824.56013
Area
1.3176628637116E+15
Volume
3.5980753960405E+22
Surface area
5.2706514548463E+15
Circumference
128678824.56013
Perimeter
81919484
Area
419425116176641
Diagonal
28962911.323851
Surface area
2516550697059846
Volume
8.5897722734576E+21
Space diagonal
35472177.104456
Perimeter
61439613
Area
1.8161640279711E+14
Altitude
17736088.552228
Surface area
1.8161640279711E+14
Volume
1.0123143705683E+21
Height
9654303.7746171