15205421 (number)

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.

Interesting facts

Basic properties

Name

Name fifteen million two hundred five thousand four hundred twenty-one

Notation

Scientific notation 1.5205421 × 10^7
Engineering notation 1.5205421 × 10^6

Prime Factorization of 15205421

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.

Most popular turbo-numbers

Basic calculations (n = 15205421)

Multiplication

n×y
n×2 30410842
n×3 45616263
n×4 60821684
n×5 76027105

Division

n÷y
n÷2 7602710.5
n÷3 5068473.6666667
n÷3 3801355.25
n÷5 3041084.2

Exponentiation

ny
n2 231204827787241
n3 3.5155667437375E+21
n4 5.3455672392128E+28
n5 8.1281600356038E+35

Nth Root

y√n
2√n 3899.4129045281
3√n 247.74191087492
4√n 62.445279281368
5√n 27.314904713058

Divisors of 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 conversion 15205421

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

Cryptographic Hash Functions

md5 2185b6d67eaae960876402a9e2a72e6b
sha1 e16839c6fbe7339816f152525828e93e8b964b7d
sha256 361a07e6a4aa810bb95bde92ca8478f31bec9917457a05e813d4d1283de80fab
sha512 1986c04a3588e6f325e187a78152268cd03c5c897429ad80ad941501eab749bd4d5707b4c0ef10f22a3be8b461c609cb4ece33ec03c556d5a6029d278f1baade
ripemd-160 5c763d49fd3be312487bc8b38c5b1d875f6c178f

15205421 as geometric shapes

Circle

Radius = n
Diameter 30410842
Circumference 95538477.81668
Area 7.2635138845089E+14

Sphere

Radius = n
Volume 1.472597154044E+22
Surface area 2.9054055538036E+15
Circumference 95538477.81668

Square

Length = n
Perimeter 60821684
Area 231204827787241
Diagonal 21503712.599793

Cube

Length = n
Surface area 1387228966723446
Volume 3.5155667437375E+21
Space diagonal 26336561.722475

Equilateral Triangle

Length = n
Perimeter 45616263
Area 1.0011462717068E+14
Altitude 13168280.861237

Triangular Pyramid

Length = n
Surface area 1.0011462717068E+14
Volume 4.1431351403512E+20
Height 7167904.1999309