20130421 is an odd 8-digits composite number following 20130420
and preceding 20130422 . In scientific notation, it is written as 2.0130421 × 10^7.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 20057472 positive integers (up to 20130421) that are relatively prime to 20130421.
20130421 has 4 divisors, whose sum is 20203372
The reverse of 20130421 is 12403102
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred thirty thousand four hundred twenty-one
Scientific notation
2.0130421 × 10^7
Engineering notation
2.0130421 × 10^6
Prime Factorization
277 × 72673
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20130421
Product of the distinct prime numbers
The prime factorization of 20130421 is 277 × 72673.
Since it has a total of 2 prime factors.
3 , 10 , 31 , 4 , 610 , 555 , 3930 , 2621 , 10190 , 62280 , 220114 , 72900 , 7714272 , 4823640 , 42802332 , 36128697 , 342374354 , 618938117 , 7873944844 , 9591407136
n×2
40260842
n×3
60391263
n×4
80521684
n×5
100652105
n÷2
10065210.5
n÷3
6710140.3333333
n÷3
5032605.25
n÷5
4026084.2
n2
405233849637241
n3
8.1575279966484E+21
n4
1.6421447289182E+29
n5
3.3057064736054E+36
2 √n
4486.6937715873
3 √n
272.03051218408
4 √n
66.982787129137
5 √n
28.891532014138
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
-20130420
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 20130421 can be divided by 4 positive divisors.
The sum of these divisors (counting 20130421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010101001110101
3
Ternary
1101212201202011
4
Quaternary
1030302221311
5
Quinary
20123133141
6
Senary
1555244221
8
Octal
114625165
10
Decimal
20130421
12
Duodecimal
68a9671
16
Hexadecimal
1332a75
20
Vigesimal
65g611
36
Base36
bzgqd
md5
627eee55c85353792bd9162a28b92bf4
sha1
96737f273a14b285f1c332e5f4bd6c791ab65249
sha256
f3c50050fb00de80e81b4b97cfc64e941b4a3c1f8a3f3b3b0971e3b71c2085a0
sha512
a37b70807a501258e57d5eea12174bf0c42ad4384c322530c34d146cc23d1069c3d973f4e5e695efc36f76c4fe98a1bed12205a14a5d4af9d157f10976849f61
ripemd-160
186a8d49d9c077e0e68de28f4ef4705627722515
Diameter
40260842
Circumference
126483165.45454
Area
1.2730796850063E+15
Volume
3.4170173367631E+22
Surface area
5.0923187400251E+15
Circumference
126483165.45454
Perimeter
80521684
Area
405233849637241
Diagonal
28468714.39448
Surface area
2431403097823446
Volume
8.1575279966484E+21
Space diagonal
34866911.949751
Perimeter
60391263
Area
1.7547140412961E+14
Altitude
17433455.974876
Surface area
1.7547140412961E+14
Volume
9.6137389402486E+20
Height
9489571.4648267