12486987 (number)

12486987 is an odd 8-digits composite number following 12486986 and preceding 12486988. In scientific notation, it is written as 1.2486987 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 8324640 positive integers (up to 12486987) that are relatively prime to 12486987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2486987 × 10^7
Engineering notation 1.2486987 × 10^6

Prime Factorization of 12486987

Prime Factorization 27 × 462481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12486987
Product of the distinct prime numbers

The prime factorization of 12486987 is 27 × 462481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12486987)

Multiplication

n×y
n×2 24973974
n×3 37460961
n×4 49947948
n×5 62434935

Division

n÷y
n÷2 6243493.5
n÷3 4162329
n÷3 3121746.75
n÷5 2497397.4

Exponentiation

ny
n2 155924844338169
n3 1.9470315042277E+21
n4 2.4312557081882E+28
n5 3.0359058421822E+35

Nth Root

y√n
2√n 3533.6931106139
3√n 231.99887905721
4√n 59.444874552932
5√n 26.259807124374

Divisors of 12486987

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 -12486986
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 12486987 can be divided by 4 positive divisors. The sum of these divisors (counting 12486987) is 1, the average is 0.25.

Base conversion 12486987

Base System Value
2 Binary 101111101000100101001011
3 Ternary 212111101221000
4 Quaternary 233220211023
5 Quinary 11144040422
6 Senary 1123350043
8 Octal 57504513
10 Decimal 12486987
12 Duodecimal 4222323
16 Hexadecimal be894b
20 Vigesimal 3i0h97
36 Base36 7fn0r

Cryptographic Hash Functions

md5 cebf0cf55f2d7b3395447ec34407aeb6
sha1 dc2835810a8c5b565c02cf742a275618885ad3b7
sha256 2c1a6dced849e55b1a91f5b189bcbde7744be90e4d0a1b05055ed94bff78b735
sha512 7474e2c7c56c775e8b577e67ec482f05408e134281637818218673fc598a0610aea63703077889f0599379a43d48e7e9f83e06e74ad156fbfa2328a6d7094db2
ripemd-160 e07fa5372a53e6d9ec81cd94b9da449688c4a63f

12486987 as geometric shapes

Circle

Radius = n
Diameter 24973974
Circumference 78458053.249343
Area 4.8985234548492E+14

Sphere

Radius = n
Volume 8.1557064933197E+21
Surface area 1.9594093819397E+15
Circumference 78458053.249343

Square

Length = n
Perimeter 49947948
Area 155924844338169
Diagonal 17659266.368577

Cube

Length = n
Surface area 935549066029014
Volume 1.9470315042277E+21
Space diagonal 21628095.917452

Equilateral Triangle

Length = n
Perimeter 37460961
Area 67517438138994
Altitude 10814047.958726

Triangular Pyramid

Length = n
Surface area 67517438138994
Volume 2.2945986330388E+20
Height 5886422.1228588