12543987 (number)

12543987 is an odd 8-digits composite number following 12543986 and preceding 12543988. In scientific notation, it is written as 1.2543987 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8204768 positive integers (up to 12543987) that are relatively prime to 12543987.

Interesting facts

Basic properties

Name

Name twelve million five hundred forty-three thousand nine hundred eighty-seven

Notation

Scientific notation 1.2543987 × 10^7
Engineering notation 1.2543987 × 10^6

Prime Factorization of 12543987

Prime Factorization 3 × 53 × 78893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12543987
Product of the distinct prime numbers

The prime factorization of 12543987 is 3 × 53 × 78893. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12543987)

Multiplication

n×y
n×2 25087974
n×3 37631961
n×4 50175948
n×5 62719935

Division

n÷y
n÷2 6271993.5
n÷3 4181329
n÷3 3135996.75
n÷5 2508797.4

Exponentiation

ny
n2 157351609856169
n3 1.9738165484649E+21
n4 2.4759529124328E+28
n5 3.1058321146169E+35

Nth Root

y√n
2√n 3541.7491441377
3√n 232.35134907656
4√n 59.512596516516
5√n 26.283737371803

Divisors of 12543987

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 -12543986
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 12543987 can be divided by 8 positive divisors. The sum of these divisors (counting 12543987) is 1, the average is 0.125.

Base conversion 12543987

Base System Value
2 Binary 101111110110011111110011
3 Ternary 212121022010010
4 Quaternary 233312133303
5 Quinary 11202401422
6 Senary 1124510003
8 Octal 57663763
10 Decimal 12543987
12 Duodecimal 424b303
16 Hexadecimal bf67f3
20 Vigesimal 3i7jj7
36 Base36 7gv03

Cryptographic Hash Functions

md5 ac961398d6185148aec6b4a20c1a93ef
sha1 448e72dd4a966706e5ce3684be7206bd9e5b05bf
sha256 9431f29a6239a9621c2154b2a57e280dfb7cfdc553342d1813dd16b682ef7cd9
sha512 98cb9cf9bd65384c7c15e4ecddc2ab286ebfebf901119b37a0d308f554083b7e00bd0356b2b8a22b46eab620292d552d274afb0bff7885d9519adf36bd3d83b7
ripemd-160 9cae86836c3f74dca27f3dc2510866e85aa272aa

12543987 as geometric shapes

Circle

Radius = n
Diameter 25087974
Circumference 78816194.811852
Area 4.9433466155467E+14

Sphere

Radius = n
Volume 8.2679034242549E+21
Surface area 1.9773386462187E+15
Circumference 78816194.811852

Square

Length = n
Perimeter 50175948
Area 157351609856169
Diagonal 17739876.541632

Cube

Length = n
Surface area 944109659137014
Volume 1.9738165484649E+21
Space diagonal 21726822.813483

Equilateral Triangle

Length = n
Perimeter 37631961
Area 68135245730910
Altitude 10863411.406742

Triangular Pyramid

Length = n
Surface area 68135245730910
Volume 2.3261651103962E+20
Height 5913292.1805439