15221661 (number)

15221661 is an odd 8-digits composite number following 15221660 and preceding 15221662. In scientific notation, it is written as 1.5221661 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 8027136 positive integers (up to 15221661) that are relatively prime to 15221661.

Interesting facts

Basic properties

Name

Name fifteen million two hundred twenty-one thousand six hundred sixty-one

Notation

Scientific notation 1.5221661 × 10^7
Engineering notation 1.5221661 × 10^6

Prime Factorization of 15221661

Prime Factorization 3549 × 4289

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15221661
Product of the distinct prime numbers

The prime factorization of 15221661 is 3549 × 4289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15221661)

Multiplication

n×y
n×2 30443322
n×3 45664983
n×4 60886644
n×5 76108305

Division

n÷y
n÷2 7610830.5
n÷3 5073887
n÷3 3805415.25
n÷5 3044332.2

Exponentiation

ny
n2 231698963598921
n3 3.5268430779541E+21
n4 5.3684409732814E+28
n5 8.17165885938E+35

Nth Root

y√n
2√n 3901.4947135681
3√n 247.83007892856
4√n 62.461946123765
5√n 27.320736904924

Divisors of 15221661

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 -15221660
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 15221661 can be divided by 4 positive divisors. The sum of these divisors (counting 15221661) is 1, the average is 0.25.

Base conversion 15221661

Base System Value
2 Binary 111010000100001110011101
3 Ternary 1001122100012020
4 Quaternary 322010032131
5 Quinary 12344043121
6 Senary 1302130353
8 Octal 72041635
10 Decimal 15221661
12 Duodecimal 51209b9
16 Hexadecimal e8439d
20 Vigesimal 4f2e31
36 Base36 9293x

Cryptographic Hash Functions

md5 239c2338d172a006c9dfd42c9c80edec
sha1 e0943f6044039a55625292aec48687c9e20e7fd1
sha256 17e55793e0e2a102b303b1ed74455daa747c62e56ab72d3fdd155cf7f848b49b
sha512 f579a827f4cee3e2fd4c1419fb7b24633ac690b155ca3540277e110c038dacc2f6a63eafa05bbbaff47bd6c52c593a96f06c19254b18504230f9d3579ac16297
ripemd-160 85656a633acc32dd4347b2c9ba85b6793fef36e4

15221661 as geometric shapes

Circle

Radius = n
Diameter 30443322
Circumference 95640516.746069
Area 7.2790376188674E+14

Sphere

Radius = n
Volume 1.4773205738753E+22
Surface area 2.911615047547E+15
Circumference 95640516.746069

Square

Length = n
Perimeter 60886644
Area 231698963598921
Diagonal 21526679.428046

Cube

Length = n
Surface area 1390193781593526
Volume 3.5268430779541E+21
Space diagonal 26364690.22759

Equilateral Triangle

Length = n
Perimeter 45664983
Area 1.003285942536E+14
Altitude 13182345.113795

Triangular Pyramid

Length = n
Surface area 1.003285942536E+14
Volume 4.1564244276703E+20
Height 7175559.8093485