12895987 (number)

12895987 is an odd 8-digits composite number following 12895986 and preceding 12895988. In scientific notation, it is written as 1.2895987 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 11903976 positive integers (up to 12895987) that are relatively prime to 12895987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2895987 × 10^7
Engineering notation 1.2895987 × 10^6

Prime Factorization of 12895987

Prime Factorization 13 × 991999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12895987
Product of the distinct prime numbers

The prime factorization of 12895987 is 13 × 991999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12895987)

Multiplication

n×y
n×2 25791974
n×3 38687961
n×4 51583948
n×5 64479935

Division

n÷y
n÷2 6447993.5
n÷3 4298662.3333333
n÷3 3223996.75
n÷5 2579197.4

Exponentiation

ny
n2 166306480704169
n3 2.1446862131767E+21
n4 2.7657845524206E+28
n5 3.5667521632817E+35

Nth Root

y√n
2√n 3591.0982999634
3√n 234.50468785854
4√n 59.925773252945
5√n 26.429619900124

Divisors of 12895987

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 -12895986
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 12895987 can be divided by 4 positive divisors. The sum of these divisors (counting 12895987) is 1, the average is 0.25.

Base conversion 12895987

Base System Value
2 Binary 110001001100011011110011
3 Ternary 220021011222011
4 Quaternary 301030123303
5 Quinary 11300132422
6 Senary 1140223351
8 Octal 61143363
10 Decimal 12895987
12 Duodecimal 439ab57
16 Hexadecimal c4c6f3
20 Vigesimal 40bjj7
36 Base36 7oelv

Cryptographic Hash Functions

md5 98a71209fb3cd754a69022b2df60aca8
sha1 71038d13e65ee05d6efd2f6293836580714c0037
sha256 c70222e8d75cf49c31912e320eda8153b464419902fa01d68e10714dff070aa8
sha512 72a61377602d82f6facbc3e6355486f8412eeb4bb58083eda8d6e6ff11d820280d27b037c45f781c386beff5a0b72f38814685ff004df525ca20952414998a67
ripemd-160 bcfea83b46fc0c0369243ee678a4121112b3ae75

12895987 as geometric shapes

Circle

Radius = n
Diameter 25791974
Circumference 81027876.039979
Area 5.2246721802459E+14

Sphere

Radius = n
Volume 8.983640602095E+21
Surface area 2.0898688720984E+15
Circumference 81027876.039979

Square

Length = n
Perimeter 51583948
Area 166306480704169
Diagonal 18237679.715587

Cube

Length = n
Surface area 997838884225014
Volume 2.1446862131767E+21
Space diagonal 22336504.697748

Equilateral Triangle

Length = n
Perimeter 38687961
Area 72012818551898
Altitude 11168252.348874

Triangular Pyramid

Length = n
Surface area 72012818551898
Volume 2.5275369414243E+20
Height 6079226.5718624