20131721 is an odd 8-digits composite number following 20131720
and preceding 20131722 . In scientific notation, it is written as 2.0131721 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 19746720 positive integers (up to 20131721) that are relatively prime to 20131721.
20131721 has 4 divisors, whose sum is 20227344
The reverse of 20131721 is 12713102
Previous prime number is 95411
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred thirty-one thousand seven hundred twenty-one
Scientific notation
2.0131721 × 10^7
Engineering notation
2.0131721 × 10^6
Prime Factorization
95411 × 211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131721
Product of the distinct prime numbers
The prime factorization of 20131721 is 95411 × 211.
Since it has a total of 2 prime factors.
2 , 5 , 10 , 50 , 58 , 665 , 9989 , 3260 , 57623 , 3889 , 66912 , 784195 , 9249629 , 8617951 , 38165008 , 90456040 , 770448447 , 900727944 , 5108481498 , 7105081232
n×2
40263442
n×3
60395163
n×4
80526884
n×5
100658605
n÷2
10065860.5
n÷3
6710573.6666667
n÷3
5032930.25
n÷5
4026344.2
n2
405286190421841
n3
8.1591085107254E+21
n4
1.6425689614665E+29
n5
3.3067740055503E+36
2 √n
4486.8386420731
3 √n
272.03636786644
4 √n
66.983868521257
5 √n
28.891905161043
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
-20131720
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 20131721 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010111110001001
3
Ternary
1101212210112022
4
Quaternary
1030302332021
5
Quinary
20123203341
6
Senary
1555254225
8
Octal
114627611
10
Decimal
20131721
12
Duodecimal
68aa375
16
Hexadecimal
1332f89
20
Vigesimal
65g961
36
Base36
bzhqh
md5
bcd8f68d666ca7a044e619a712c40927
sha1
d498418bffbfea84845eaccccb700cd01af4bc26
sha256
f1f3d2f66a4727050c03172fc5ebe3be2738a6bc50bf20d195794b296212e6d2
sha512
d8fa935b76c5a438dc9ee92904c7b7dc85572700992775812d519cd4182c49d5208f846cfaf1e1f43f1810c574ea0ce179e94dde948b99af1222637a1954bbf9
ripemd-160
d9c467ab97909bbc8f708cd5d5d2c7a3a404f6ce
Diameter
40263442
Circumference
126491333.59544
Area
1.2732441184306E+15
Volume
3.4176793809516E+22
Surface area
5.0929764737226E+15
Circumference
126491333.59544
Perimeter
80526884
Area
405286190421841
Diagonal
28470552.872111
Surface area
2431717142531046
Volume
8.1591085107254E+21
Space diagonal
34869163.615801
Perimeter
60395163
Area
1.7549406835417E+14
Altitude
17434581.807901
Surface area
1.7549406835417E+14
Volume
9.6156015939513E+20
Height
9490184.2907037