12581681 (number)

12581681 is an odd 8-digits composite number following 12581680 and preceding 12581682. In scientific notation, it is written as 1.2581681 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10741248 positive integers (up to 12581681) that are relatively prime to 12581681.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2581681 × 10^7
Engineering notation 1.2581681 × 10^6

Prime Factorization of 12581681

Prime Factorization 7 × 7 × 433 × 593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1797383
Product of the distinct prime numbers

The prime factorization of 12581681 is 7 × 7 × 433 × 593. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 36, 93, 881, 544, 2079, 8212, 92830, 30567, 339997, 169986, 7449015, 6405700, 50945145, 95536323, 179705797, 928220089, 9075804412, 3195189560

Basic calculations (n = 12581681)

Multiplication

n×y
n×2 25163362
n×3 37745043
n×4 50326724
n×5 62908405

Division

n÷y
n÷2 6290840.5
n÷3 4193893.6666667
n÷3 3145420.25
n÷5 2516336.2

Exponentiation

ny
n2 158298696785761
n3 1.9916637056742E+21
n4 2.505847740407E+28
n5 3.1527776904372E+35

Nth Root

y√n
2√n 3547.0665344761
3√n 232.5838507439
4√n 59.557254255683
5√n 26.29951466003

Divisors of 12581681

1, 7, 49, 433, 593, 3031, 4151, 21217, 29057, 256769, 1797383, 12581681

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12581680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12581681 can be divided by 12 positive divisors. The sum of these divisors (counting 12581681) is 1, the average is 0.083333333333333.

Base conversion 12581681

Base System Value
2 Binary 101111111111101100110001
3 Ternary 212200012211012
4 Quaternary 233333230301
5 Quinary 11210103211
6 Senary 1125400305
8 Octal 57775461
10 Decimal 12581681
12 Duodecimal 4269095
16 Hexadecimal bffb31
20 Vigesimal 3ice41
36 Base36 7ho35

Cryptographic Hash Functions

md5 64351f066b55525032b87c71185b4d48
sha1 fb14d48b4ce7dbbdda1f2f6abd7e923cf107bb8e
sha256 311e6fc65a4156accf45397d0c65916143ab32d6a152cc92af89aa54a14a218f
sha512 8f0e23269f4e20409b910841c4fec614f42b772200ddf03ba316418e3649e62cdd13ced9b9bee342d755cf4dac450876a16d57b7629fce7504645b39b5ae41f1
ripemd-160 24ffeb013997ff13b3ef0d0dbffbc9bf896d202e

12581681 as geometric shapes

Circle

Radius = n
Diameter 25163362
Circumference 79053033.198821
Area 4.9731002289498E+14

Sphere

Radius = n
Volume 8.3426614215565E+21
Surface area 1.9892400915799E+15
Circumference 79053033.198821

Square

Length = n
Perimeter 50326724
Area 158298696785761
Diagonal 17793183.907652

Cube

Length = n
Surface area 949792180714566
Volume 1.9916637056742E+21
Space diagonal 21792110.736624

Equilateral Triangle

Length = n
Perimeter 37745043
Area 68545346401220
Altitude 10896055.368312

Triangular Pyramid

Length = n
Surface area 68545346401220
Volume 2.3471981868756E+20
Height 5931061.3025506