20131321 is an odd 8-digits composite number following 20131320
and preceding 20131322 . In scientific notation, it is written as 2.0131321 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 17255412 positive integers (up to 20131321) that are relatively prime to 20131321.
20131321 has 4 divisors, whose sum is 23007232
The reverse of 20131321 is 12313102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred thirty-one thousand three hundred twenty-one
Scientific notation
2.0131321 × 10^7
Engineering notation
2.0131321 × 10^6
Prime Factorization
7 × 2875903
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131321
Product of the distinct prime numbers
The prime factorization of 20131321 is 7 × 2875903.
Since it has a total of 2 prime factors.
6 , 2 , 64 , 63 , 139 , 505 , 3359 , 9800 , 34279 , 62878 , 822266 , 961139 , 4330948 , 9844267 , 23742969 , 36175212 , 92568617 , 442642774 , 8672999795 , 2742821877
n×2
40262642
n×3
60393963
n×4
80525284
n×5
100656605
n÷2
10065660.5
n÷3
6710440.3333333
n÷3
5032830.25
n÷5
4026264.2
n2
405270085205041
n3
8.15862217696E+21
n4
1.642438419621E+29
n5
3.3064455048123E+36
2 √n
4486.7940670372
3 √n
272.03456614487
4 √n
66.983535790798
5 √n
28.891790348664
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
-20131320
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 20131321 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131321) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010110111111001
3
Ternary
1101212202222111
4
Quaternary
1030302313321
5
Quinary
20123200241
6
Senary
1555252321
8
Octal
114626771
10
Decimal
20131321
12
Duodecimal
68aa0a1
16
Hexadecimal
1332df9
20
Vigesimal
65g861
36
Base36
bzhfd
md5
48c6805dad49fa8d8de8d3c7889f5eab
sha1
497214ec26d40acf449cae69af679ed2bcd48031
sha256
5d25d47e1a0e0da8a9ec6b789f647c3465e2bb06551d8d011c5155ef03f5a3e6
sha512
7508ea82403c592c01d95ed9cf041f1687da53cbf0fb8c0518cf07fff98feb274696135d4ba39ecfce10e65686e3e392659fde20aea73761ab642e5c49a8ef2a
ripemd-160
a5c1c9e87c3ea79acfb008f8945e120adc94f761
Diameter
40262642
Circumference
126488820.32132
Area
1.2731935223999E+15
Volume
3.4174756659403E+22
Surface area
5.0927740895995E+15
Circumference
126488820.32132
Perimeter
80525284
Area
405270085205041
Diagonal
28469987.186686
Surface area
2431620511230246
Volume
8.15862217696E+21
Space diagonal
34868470.795478
Perimeter
60393963
Area
1.7548709459072E+14
Altitude
17434235.397739
Surface area
1.7548709459072E+14
Volume
9.6150284441123E+20
Height
9489995.7288954