16561387 (number)

16561387 is an odd 8-digits composite number following 16561386 and preceding 16561388. In scientific notation, it is written as 1.6561387 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 16061760 positive integers (up to 16561387) that are relatively prime to 16561387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6561387 × 10^7
Engineering notation 1.6561387 × 10^6

Prime Factorization of 16561387

Prime Factorization 89 × 53 × 3511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16561387
Product of the distinct prime numbers

The prime factorization of 16561387 is 89 × 53 × 3511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16561387)

Multiplication

n×y
n×2 33122774
n×3 49684161
n×4 66245548
n×5 82806935

Division

n÷y
n÷2 8280693.5
n÷3 5520462.3333333
n÷3 4140346.75
n÷5 3312277.4

Exponentiation

ny
n2 274279539363769
n3 4.5424495975851E+21
n4 7.5229265713601E+28
n5 1.2459009832088E+36

Nth Root

y√n
2√n 4069.5684046346
3√n 254.89749564584
4√n 63.793168949619
5√n 27.78557196452

Divisors of 16561387

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16561386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16561387 can be divided by 8 positive divisors. The sum of these divisors (counting 16561387) is 1, the average is 0.125.

Base conversion 16561387

Base System Value
2 Binary 111111001011010011101011
3 Ternary 1011011101221201
4 Quaternary 333023103223
5 Quinary 13214431022
6 Senary 1350545031
8 Octal 77132353
10 Decimal 16561387
12 Duodecimal 5668177
16 Hexadecimal fcb4eb
20 Vigesimal 53a397
36 Base36 9uyuj

Cryptographic Hash Functions

md5 383e7e01dd891edbdbcbf766084180dc
sha1 a616c9023c43642931ad3188f11cc99efe9642be
sha256 7149c0d20cbe63c7077b7dd979fc4b705142cd0cbc59aeea8a9bb619e947cb45
sha512 116025640e11e96885d4ce292c360934f68b4dbfc8b9e00a1383cd4ce217cf26ae8c56ff376640ae283bc877328d69056fbd277ac22319c93a74e3cb80958db2
ripemd-160 5f177a435600e26c961dd8e5b40347297b5f2244

16561387 as geometric shapes

Circle

Radius = n
Diameter 33122774
Circumference 104058263.46492
Area 8.6167458589521E+14

Sphere

Radius = n
Volume 1.90273683801E+22
Surface area 3.4466983435808E+15
Circumference 104058263.46492

Square

Length = n
Perimeter 66245548
Area 274279539363769
Diagonal 23421338.107109

Cube

Length = n
Surface area 1645677236182614
Volume 4.5424495975851E+21
Space diagonal 28685163.727811

Equilateral Triangle

Length = n
Perimeter 49684161
Area 1.1876652441366E+14
Altitude 14342581.863905

Triangular Pyramid

Length = n
Surface area 1.1876652441366E+14
Volume 5.3533281894176E+20
Height 7807112.7023698