12587985 (number)

12587985 is an odd 8-digits composite number following 12587984 and preceding 12587986. In scientific notation, it is written as 1.2587985 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6688032 positive integers (up to 12587985) that are relatively prime to 12587985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2587985 × 10^7
Engineering notation 1.2587985 × 10^6

Prime Factorization of 12587985

Prime Factorization 9 × 5 × 467 × 599

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12587985
Product of the distinct prime numbers

The prime factorization of 12587985 is 9 × 5 × 467 × 599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12587985)

Multiplication

n×y
n×2 25175970
n×3 37763955
n×4 50351940
n×5 62939925

Division

n÷y
n÷2 6293992.5
n÷3 4195995
n÷3 3146996.25
n÷5 2517597

Exponentiation

ny
n2 158457366360225
n3 1.994658950882E+21
n4 2.5108736953819E+28
n5 3.1606840414361E+35

Nth Root

y√n
2√n 3547.955044811
3√n 232.62268932156
4√n 59.564713084267
5√n 26.302149584927

Divisors of 12587985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12587984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12587985 can be divided by 16 positive divisors. The sum of these divisors (counting 12587985) is 1, the average is 0.0625.

Base conversion 12587985

Base System Value
2 Binary 110000000001001111010001
3 Ternary 212200112110200
4 Quaternary 300001033101
5 Quinary 11210303420
6 Senary 1125445413
8 Octal 60011721
10 Decimal 12587985
12 Duodecimal 4270869
16 Hexadecimal c013d1
20 Vigesimal 3id9j5
36 Base36 7hsy9

Cryptographic Hash Functions

md5 271fca3e42bfdc39b854de74a675e5a1
sha1 96ea21a54176c405b206237e38c6c597f0b436bf
sha256 c801c60b651b38819a0174f7be1897859a4b39270896eb383adedd13fa2c8133
sha512 d2447261c979f57873584d415a8e1c13e64c4f21e652503538428acbb22eb7729662907bbbed71afb72f9b09bdb0675a66c85754651292e267313ceccd88686a
ripemd-160 405d463d9643506837a1a8fae1014d914f6921ad

12587985 as geometric shapes

Circle

Radius = n
Diameter 25175970
Circumference 79092642.398997
Area 4.9780849806447E+14

Sphere

Radius = n
Volume 8.3552078753441E+21
Surface area 1.9912339922579E+15
Circumference 79092642.398997

Square

Length = n
Perimeter 50351940
Area 158457366360225
Diagonal 17802099.109949

Cube

Length = n
Surface area 950744198161350
Volume 1.994658950882E+21
Space diagonal 21803029.584915

Equilateral Triangle

Length = n
Perimeter 37763955
Area 68614052342366
Altitude 10901514.792457

Triangular Pyramid

Length = n
Surface area 68614052342366
Volume 2.3507281172052E+20
Height 5934033.0366497