15561661 (number)

15561661 is an odd 8-digits composite number following 15561660 and preceding 15561662. In scientific notation, it is written as 1.5561661 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 15025024 positive integers (up to 15561661) that are relatively prime to 15561661.

Interesting facts

Basic properties

Name

Name fifteen million five hundred sixty-one thousand six hundred sixty-one

Notation

Scientific notation 1.5561661 × 10^7
Engineering notation 1.5561661 × 10^6

Prime Factorization of 15561661

Prime Factorization 29 × 536609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15561661
Product of the distinct prime numbers

The prime factorization of 15561661 is 29 × 536609. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15561661)

Multiplication

n×y
n×2 31123322
n×3 46684983
n×4 62246644
n×5 77808305

Division

n÷y
n÷2 7780830.5
n÷3 5187220.3333333
n÷3 3890415.25
n÷5 3112332.2

Exponentiation

ny
n2 242165293078921
n3 3.7684941968598E+21
n4 5.8644029172E+28
n5 9.1259850164877E+35

Nth Root

y√n
2√n 3944.8271191524
3√n 249.66173451227
4√n 62.807858737202
5√n 27.441711238104

Divisors of 15561661

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 -15561660
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 15561661 can be divided by 4 positive divisors. The sum of these divisors (counting 15561661) is 1, the average is 0.25.

Base conversion 15561661

Base System Value
2 Binary 111011010111001110111101
3 Ternary 1002021121120211
4 Quaternary 323113032331
5 Quinary 12440433121
6 Senary 1313312421
8 Octal 73271675
10 Decimal 15561661
12 Duodecimal 5265711
16 Hexadecimal ed73bd
20 Vigesimal 4h5431
36 Base36 99jgd

Cryptographic Hash Functions

md5 50839f3d56957f9b211335e552125a30
sha1 abbe2b2676d93de63e07d5a31e8b195a08827444
sha256 0d6edf145132f93b116d01804c7f26d8b40d03b202dff50d72d45316086129a2
sha512 863f6cae010858e869f5165645cdd02516b61c77c5a7bd28ba6166ffed81b5d42f5647587f3a9bb09adf3a73aaec0acff652805c03cdc8834963418c038e8050
ripemd-160 47eed3d045525cedec817b35de4c3d5fd609aead

15561661 as geometric shapes

Circle

Radius = n
Diameter 31123322
Circumference 97776799.75051
Area 7.6078470569116E+14

Sphere

Radius = n
Volume 1.5785431578601E+22
Surface area 3.0431388227646E+15
Circumference 97776799.75051

Square

Length = n
Perimeter 62246644
Area 242165293078921
Diagonal 22007512.039252

Cube

Length = n
Surface area 1452991758473526
Volume 3.7684941968598E+21
Space diagonal 26953587.502163

Equilateral Triangle

Length = n
Perimeter 46684983
Area 1.0486064786062E+14
Altitude 13476793.751082

Triangular Pyramid

Length = n
Surface area 1.0486064786062E+14
Volume 4.4412130024362E+20
Height 7335837.3464175