12987834 (number)

12987834 is an even 8-digits composite number following 12987833 and preceding 12987835. In scientific notation, it is written as 1.2987834 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 4329276 positive integers (up to 12987834) that are relatively prime to 12987834.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand eight hundred thirty-four

Notation

Scientific notation 1.2987834 × 10^7
Engineering notation 1.2987834 × 10^6

Prime Factorization of 12987834

Prime Factorization 2 × 3 × 2164639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12987834
Product of the distinct prime numbers

The prime factorization of 12987834 is 2 × 3 × 2164639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987834)

Multiplication

n×y
n×2 25975668
n×3 38963502
n×4 51951336
n×5 64939170

Division

n÷y
n÷2 6493917
n÷3 4329278
n÷3 3246958.5
n÷5 2597566.8

Exponentiation

ny
n2 168683832011556
n3 2.19083760865E+21
n4 2.8454235182103E+28
n5 3.6955888314211E+35

Nth Root

y√n
2√n 3603.863759911
3√n 235.06009629473
4√n 60.032189364632
5√n 26.467160185513

Divisors of 12987834

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 -12987833
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 12987834 can be divided by 8 positive divisors. The sum of these divisors (counting 12987834) is 1, the average is 0.125.

Base conversion 12987834

Base System Value
2 Binary 110001100010110110111010
3 Ternary 220102211221220
4 Quaternary 301202312322
5 Quinary 11311102314
6 Senary 1142212510
8 Octal 61426672
10 Decimal 12987834
12 Duodecimal 4424136
16 Hexadecimal c62dba
20 Vigesimal 4139be
36 Base36 7qdh6

Cryptographic Hash Functions

md5 f1dae39abe4c76440f0abcdc799cb6ae
sha1 e65e3412c4db01a0101a91f1b5cab8e34a516670
sha256 2a18f6ed33304b5493c9284f90a3e87af9dd643385d976469a7fbe5ef4eebdb1
sha512 c19a4ec087679ec5b6c61c0b0a144a5016b67c3f03e8c6df9bffc61f0fcff310063a57c23b6c1bd08efdb0b99dccf41b0543ca0995177994c03d4397d4a25c56
ripemd-160 b43ad5b1a34a01615cf6b897ad67479f689b2bbe

12987834 as geometric shapes

Circle

Radius = n
Diameter 25975668
Circumference 81604967.760887
Area 5.2993588742688E+14

Sphere

Radius = n
Volume 9.1769591153907E+21
Surface area 2.1197435497075E+15
Circumference 81604967.760887

Square

Length = n
Perimeter 51951336
Area 168683832011556
Diagonal 18367570.98865

Cube

Length = n
Surface area 1012102992069336
Volume 2.19083760865E+21
Space diagonal 22495588.368271

Equilateral Triangle

Length = n
Perimeter 38963502
Area 73042241864857
Altitude 11247794.184135

Triangular Pyramid

Length = n
Surface area 73042241864857
Volume 2.5819268825915E+20
Height 6122523.6628835