15721290 (number)

15721290 is an even 8-digits composite number following 15721289 and preceding 15721291. In scientific notation, it is written as 1.5721290 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 3867264 positive integers (up to 15721290) that are relatively prime to 15721290.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred twenty-one thousand two hundred ninety

Notation

Scientific notation 1.5721290 × 10^7
Engineering notation 1.5721290 × 10^6

Prime Factorization of 15721290

Prime Factorization 2 × 5 × 1053 × 1493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15721290
Product of the distinct prime numbers

The prime factorization of 15721290 is 2 × 5 × 1053 × 1493. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 90, 76, 678, 443, 8651, 415, 93976, 35931, 523436, 359713, 809994, 2482628, 54527077, 67199438, 706458112, 985914372, 3505425655, 7514706289

Basic calculations (n = 15721290)

Multiplication

n×y
n×2 31442580
n×3 47163870
n×4 62885160
n×5 78606450

Division

n÷y
n÷2 7860645
n÷3 5240430
n÷3 3930322.5
n÷5 3144258

Exponentiation

ny
n2 247158959264100
n3 3.8856576746891E+21
n4 6.1087551144513E+28
n5 9.6037510693272E+35

Nth Root

y√n
2√n 3965.0081967128
3√n 250.51249534285
4√n 62.968311051773
5√n 27.497780175773

Divisors of 15721290

1, 2, 5, 10, 1053, 1493, 2106, 2986, 5265, 7465, 10530, 14930, 1572129, 3144258, 7860645, 15721290

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 -15721289
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 15721290 can be divided by 16 positive divisors. The sum of these divisors (counting 15721290) is 1, the average is 0.0625.

Base conversion 15721290

Base System Value
2 Binary 111011111110001101001010
3 Ternary 1002120201120000
4 Quaternary 323332031022
5 Quinary 13011040130
6 Senary 1320543430
8 Octal 73761512
10 Decimal 15721290
12 Duodecimal 5321b76
16 Hexadecimal efe34a
20 Vigesimal 4i534a
36 Base36 9cymi

Cryptographic Hash Functions

md5 a2078dfa8aff26a30eeafceb875b4b89
sha1 547cc66c9bee0851120382d7febb6a4d6c773d38
sha256 230cfcbf7684a4cb27753e1cb841d48c2cf2993dde7371c79ab98240432db45c
sha512 bea26a1b105b05396c583442b0638ec763b1fa04e515d6becbca43098842acbeaadb60607ac250f758a3ecf6447ace89901e664b7ccb51694c98d3a8542258dc
ripemd-160 6f7e454307d7c4a3de8b6e35f184876f6416e8a8

15721290 as geometric shapes

Circle

Radius = n
Diameter 31442580
Circumference 98779778.337909
Area 7.76472770693E+14

Sphere

Radius = n
Volume 1.6276204806891E+22
Surface area 3.105891082772E+15
Circumference 98779778.337909

Square

Length = n
Perimeter 62885160
Area 247158959264100
Diagonal 22233261.536001

Cube

Length = n
Surface area 1482953755584600
Volume 3.8856576746891E+21
Space diagonal 27230073.040525

Equilateral Triangle

Length = n
Perimeter 47163870
Area 1.0702296874782E+14
Altitude 13615036.520262

Triangular Pyramid

Length = n
Surface area 1.0702296874782E+14
Volume 4.579291485237E+20
Height 7411087.1786668