15205421 is an odd 8-digits composite number following 15205420
and preceding 15205422 . In scientific notation, it is written as 1.5205421 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 11644080 positive integers (up to 15205421) that are relatively prime to 15205421.
15205421 has 16 divisors, whose sum is 19284480
The reverse of 15205421 is 12450251
Previous prime number is 3347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
fifteen million two hundred five thousand four hundred twenty-one
Scientific notation
1.5205421 × 10^7
Engineering notation
1.5205421 × 10^6
Prime Factorization
7 × 11 × 3347 × 59
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15205421
Product of the distinct prime numbers
The prime factorization of 15205421 is 7 × 11 × 3347 × 59.
Since it has a total of 4 prime factors.
10 , 4 , 25 , 95 , 872 , 638 , 318 , 463 , 4177 , 94888 , 649615 , 452119 , 3727753 , 8570915 , 18838637 , 31355251 , 782174777 , 923205377 , 5594234555 , 8786879661
n×2
30410842
n×3
45616263
n×4
60821684
n×5
76027105
n÷2
7602710.5
n÷3
5068473.6666667
n÷3
3801355.25
n÷5
3041084.2
n2
231204827787241
n3
3.5155667437375E+21
n4
5.3455672392128E+28
n5
8.1281600356038E+35
2 √n
3899.4129045281
3 √n
247.74191087492
4 √n
62.445279281368
5 √n
27.314904713058
1 , 7 , 11 , 59 , 77 , 413 , 649 , 3347 , 4543 , 23429 , 36817 , 197473 , 257719 , 1382311 , 2172203 , 15205421
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15205420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15205421 can be divided by 16 positive divisors.
The sum of these divisors (counting 15205421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010000000010000101101
3
Ternary
1001121111220202
4
Quaternary
322000100231
5
Quinary
12343033141
6
Senary
1301523245
8
Octal
72002055
10
Decimal
15205421
12
Duodecimal
5113525
16
Hexadecimal
e8042d
20
Vigesimal
4f0db1
36
Base36
91wkt
md5
2185b6d67eaae960876402a9e2a72e6b
sha1
e16839c6fbe7339816f152525828e93e8b964b7d
sha256
361a07e6a4aa810bb95bde92ca8478f31bec9917457a05e813d4d1283de80fab
sha512
1986c04a3588e6f325e187a78152268cd03c5c897429ad80ad941501eab749bd4d5707b4c0ef10f22a3be8b461c609cb4ece33ec03c556d5a6029d278f1baade
ripemd-160
5c763d49fd3be312487bc8b38c5b1d875f6c178f
Diameter
30410842
Circumference
95538477.81668
Area
7.2635138845089E+14
Volume
1.472597154044E+22
Surface area
2.9054055538036E+15
Circumference
95538477.81668
Perimeter
60821684
Area
231204827787241
Diagonal
21503712.599793
Surface area
1387228966723446
Volume
3.5155667437375E+21
Space diagonal
26336561.722475
Perimeter
45616263
Area
1.0011462717068E+14
Altitude
13168280.861237
Surface area
1.0011462717068E+14
Volume
4.1431351403512E+20
Height
7167904.1999309