12581661 (number)

12581661 is an odd 8-digits composite number following 12581660 and preceding 12581662. In scientific notation, it is written as 1.2581661 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 8360352 positive integers (up to 12581661) that are relatively prime to 12581661.

Interesting facts

Basic properties

Name

Name twelve million five hundred eighty-one thousand six hundred sixty-one

Notation

Scientific notation 1.2581661 × 10^7
Engineering notation 1.2581661 × 10^6

Prime Factorization of 12581661

Prime Factorization 3 × 313 × 13399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12581661
Product of the distinct prime numbers

The prime factorization of 12581661 is 3 × 313 × 13399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12581661)

Multiplication

n×y
n×2 25163322
n×3 37744983
n×4 50326644
n×5 62908305

Division

n÷y
n÷2 6290830.5
n÷3 4193887
n÷3 3145415.25
n÷5 2516332.2

Exponentiation

ny
n2 158298193518921
n3 1.9916542077675E+21
n4 2.5058318071354E+28
n5 3.1527526320395E+35

Nth Root

y√n
2√n 3547.0637152439
3√n 232.58372750442
4√n 59.557230587427
5√n 26.299506298816

Divisors of 12581661

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 -12581660
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 12581661 can be divided by 8 positive divisors. The sum of these divisors (counting 12581661) is 1, the average is 0.125.

Base conversion 12581661

Base System Value
2 Binary 101111111111101100011101
3 Ternary 212200012210110
4 Quaternary 233333230131
5 Quinary 11210103121
6 Senary 1125400233
8 Octal 57775435
10 Decimal 12581661
12 Duodecimal 4269079
16 Hexadecimal bffb1d
20 Vigesimal 3ice31
36 Base36 7ho2l

Cryptographic Hash Functions

md5 09839684509d42ecb4294cb098b43b41
sha1 1782f5dedd2257e186eb6c10de5e867eb843be81
sha256 0014bce54451b3f798711e632ef0b91b4c285e1f9be32fdc0f8ead79fc7e52bd
sha512 ffea5d2a6105696f0cb909b5d17bb5dd546e48f06efc458f170ce6ca5417fcdd032f89b3ea1599d96df59ab883a87d63c6be25eec522dfb0a438454f1b9ef58d
ripemd-160 a2dabb33c0a6596f0f7410e65eb363aebb6c33f2

12581661 as geometric shapes

Circle

Radius = n
Diameter 25163322
Circumference 79052907.535114
Area 4.9730844183558E+14

Sphere

Radius = n
Volume 8.3426216368179E+21
Surface area 1.9892337673423E+15
Circumference 79052907.535114

Square

Length = n
Perimeter 50326644
Area 158298193518921
Diagonal 17793155.623381

Cube

Length = n
Surface area 949789161113526
Volume 1.9916542077675E+21
Space diagonal 21792076.095608

Equilateral Triangle

Length = n
Perimeter 37744983
Area 68545128480285
Altitude 10896038.047804

Triangular Pyramid

Length = n
Surface area 68545128480285
Volume 2.3471869934852E+20
Height 5931051.8744602