15561387 (number)

15561387 is an odd 8-digits composite number following 15561386 and preceding 15561388. In scientific notation, it is written as 1.5561387 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 10374252 positive integers (up to 15561387) that are relatively prime to 15561387.

Interesting facts

Basic properties

Name

Name fifteen million five hundred sixty-one thousand three hundred eighty-seven

Notation

Scientific notation 1.5561387 × 10^7
Engineering notation 1.5561387 × 10^6

Prime Factorization of 15561387

Prime Factorization 3 × 3 × 1729043

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 5187129
Product of the distinct prime numbers

The prime factorization of 15561387 is 3 × 3 × 1729043. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15561387)

Multiplication

n×y
n×2 31122774
n×3 46684161
n×4 62245548
n×5 77806935

Division

n÷y
n÷2 7780693.5
n÷3 5187129
n÷3 3890346.75
n÷5 3112277.4

Exponentiation

ny
n2 242156765363769
n3 3.7682951404938E+21
n4 5.8639899011443E+28
n5 9.1251816215799E+35

Nth Root

y√n
2√n 3944.7923899744
3√n 249.66026920775
4√n 62.807582264997
5√n 27.441614602124

Divisors of 15561387

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15561386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15561387 can be divided by 6 positive divisors. The sum of these divisors (counting 15561387) is 1, the average is 0.16666666666667.

Base conversion 15561387

Base System Value
2 Binary 111011010111001010101011
3 Ternary 1002021121012200
4 Quaternary 323113022223
5 Quinary 12440431022
6 Senary 1313311243
8 Octal 73271253
10 Decimal 15561387
12 Duodecimal 5265523
16 Hexadecimal ed72ab
20 Vigesimal 4h5397
36 Base36 99j8r

Cryptographic Hash Functions

md5 da1d560c17c9336b45e4bb1403405eb8
sha1 7d1072dcae8ec71f8f3792dc60f1d4949e4184c6
sha256 107b943c0285ed15acece0c2dea1488927475cce3e9397b93702b23f62a482aa
sha512 65739593464c039c24e1e3494d36d628af18fdc3302b3632e6bcd7c3b4662aa7ee88d82e241f30ed94e4f0c49004415c2bcd1ce0877856cc62e221fd9ddef5c6
ripemd-160 c6072ccb6cb692ed93451ac37cde2b3ecf294ccf

15561387 as geometric shapes

Circle

Radius = n
Diameter 31122774
Circumference 97775078.157735
Area 7.6075791508388E+14

Sphere

Radius = n
Volume 1.5784597773245E+22
Surface area 3.0430316603355E+15
Circumference 97775078.157735

Square

Length = n
Perimeter 62245548
Area 242156765363769
Diagonal 22007124.544736

Cube

Length = n
Surface area 1452940592182614
Volume 3.7682951404938E+21
Space diagonal 26953112.920242

Equilateral Triangle

Length = n
Perimeter 46684161
Area 1.0485695525165E+14
Altitude 13476556.460121

Triangular Pyramid

Length = n
Surface area 1.0485695525165E+14
Volume 4.4409784122591E+20
Height 7335708.1815788