12457987 (number)

12457987 is an odd 8-digits composite number following 12457986 and preceding 12457988. In scientific notation, it is written as 1.2457987 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 12402880 positive integers (up to 12457987) that are relatively prime to 12457987.

Interesting facts

Basic properties

Name

Name twelve million four hundred fifty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 1.2457987 × 10^7
Engineering notation 1.2457987 × 10^6

Prime Factorization of 12457987

Prime Factorization 227 × 54881

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12457987
Product of the distinct prime numbers

The prime factorization of 12457987 is 227 × 54881. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12457987)

Multiplication

n×y
n×2 24915974
n×3 37373961
n×4 49831948
n×5 62289935

Division

n÷y
n÷2 6228993.5
n÷3 4152662.3333333
n÷3 3114496.75
n÷5 2491597.4

Exponentiation

ny
n2 155201440092169
n3 1.9334975230495E+21
n4 2.4087487006683E+28
n5 3.0008159999193E+35

Nth Root

y√n
2√n 3529.587369651
3√n 231.8191404059
4√n 59.41033049606
5√n 26.247598529388

Divisors of 12457987

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 -12457986
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 12457987 can be divided by 4 positive divisors. The sum of these divisors (counting 12457987) is 1, the average is 0.25.

Base conversion 12457987

Base System Value
2 Binary 101111100001100000000011
3 Ternary 212102221010221
4 Quaternary 233201200003
5 Quinary 11142123422
6 Senary 1123003511
8 Octal 57414003
10 Decimal 12457987
12 Duodecimal 4209597
16 Hexadecimal be1803
20 Vigesimal 3hh4j7
36 Base36 7f0n7

Cryptographic Hash Functions

md5 6194521fcc72e28af68c6f25742321b1
sha1 23c71d0e199e44c76be0e7c933f0238b7c41ba40
sha256 d8c6a9f64003096533f1c92cbdd85d98c28d70b93bec5dc4fe3f49c725296c2e
sha512 45bbec27cef82d66b0515e3afde10f07394fac10f9f94ba7abcb1f17dca23132c8669b9b02b13c789f73d3fa193ed65ce9fb56548efbaf529f56985d693c0ece
ripemd-160 2b2c2df921cdebd0a7f287c3faaa8c1794f4d7b3

12457987 as geometric shapes

Circle

Radius = n
Diameter 24915974
Circumference 78275840.875434
Area 4.8757970402011E+14

Sphere

Radius = n
Volume 8.0990154855286E+21
Surface area 1.9503188160805E+15
Circumference 78275840.875434

Square

Length = n
Perimeter 49831948
Area 155201440092169
Diagonal 17618254.175268

Cube

Length = n
Surface area 931208640553014
Volume 1.9334975230495E+21
Space diagonal 21577866.444033

Equilateral Triangle

Length = n
Perimeter 37373961
Area 67204194911874
Altitude 10788933.222016

Triangular Pyramid

Length = n
Surface area 67204194911874
Volume 2.2786486832595E+20
Height 5872751.3917559