20011871 is an odd 8-digits composite number following 20011870
and preceding 20011872 . In scientific notation, it is written as 2.0011871 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 18192600 positive integers (up to 20011871) that are relatively prime to 20011871.
20011871 has 4 divisors, whose sum is 21831144
The reverse of 20011871 is 17811002
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eleven thousand eight hundred seventy-one
Scientific notation
2.0011871 × 10^7
Engineering notation
2.0011871 × 10^6
Prime Factorization
11 × 1819261
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20011871
Product of the distinct prime numbers
The prime factorization of 20011871 is 11 × 1819261.
Since it has a total of 2 prime factors.
10 , 2 , 73 , 17 , 287 , 345 , 8918 , 7065 , 41202 , 51922 , 825337 , 831845 , 3225624 , 8623518 , 53728655 , 23093655 , 100442835 , 167117503 , 8248276149 , 2591156152
n×2
40023742
n×3
60035613
n×4
80047484
n×5
100059355
n÷2
10005935.5
n÷3
6670623.6666667
n÷3
5002967.75
n÷5
4002374.2
n2
400474980920641
n3
8.0142536569113E+21
n4
1.6038021034339E+29
n5
3.2095080803447E+36
2 √n
4473.4629762635
3 √n
271.49545579005
4 √n
66.883951559873
5 √n
28.857422563326
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
-20011870
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 20011871 can be divided by 4 positive divisors.
The sum of these divisors (counting 20011871) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010101101101011111
3
Ternary
1101122201010102
4
Quaternary
1030111231133
5
Quinary
20110334441
6
Senary
1552531315
8
Octal
114255537
10
Decimal
20011871
12
Duodecimal
6850b3b
16
Hexadecimal
1315b5f
20
Vigesimal
6519db
36
Base36
bwx9b
md5
808062b11b3fa787609b34dbb67a570d
sha1
8c9978faf6d0de7f7518701ea2d5eabb84a89b53
sha256
da581f67a7405829046dd1be0c4cf2ee4b41609ace62127061ceafbcef026691
sha512
cc20d91fe631184279570f00d00c5b70488d74ca0d8a900c1417050d032a3133df995bff348639eb51ca56cadd078a8e901608b2b38ebd80f0a87050eda7ab99
ripemd-160
18c8650901d63b4d91fc3994c34c8f21b4bf7163
Diameter
40023742
Circumference
125738293.83637
Area
1.2581292580068E+15
Volume
3.3570027216744E+22
Surface area
5.0325170320272E+15
Circumference
125738293.83637
Perimeter
80047484
Area
400474980920641
Diagonal
28301059.376661
Surface area
2402849885523846
Volume
8.0142536569113E+21
Space diagonal
34661577.326514
Perimeter
60035613
Area
1.7341075352868E+14
Altitude
17330788.663257
Surface area
1.7341075352868E+14
Volume
9.4448885115851E+20
Height
9433686.4588869