12987812 (number)

12987812 is an even 8-digits composite number following 12987811 and preceding 12987813. In scientific notation, it is written as 1.2987812 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 6450600 positive integers (up to 12987812) that are relatively prime to 12987812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2987812 × 10^7
Engineering notation 1.2987812 × 10^6

Prime Factorization of 12987812

Prime Factorization 2 × 2 × 151 × 21503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6493906
Product of the distinct prime numbers

The prime factorization of 12987812 is 2 × 2 × 151 × 21503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 3, 48, 46, 347, 4340, 1469, 99732, 18108, 510588, 342723, 8757398, 5550820, 28966113, 92718854, 4415955, 947977881, 7294951622, 9357578054

Basic calculations (n = 12987812)

Multiplication

n×y
n×2 25975624
n×3 38963436
n×4 51951248
n×5 64939060

Division

n÷y
n÷2 6493906
n÷3 4329270.6666667
n÷3 3246953
n÷5 2597562.4

Exponentiation

ny
n2 168683260547344
n3 2.1908264755359E+21
n4 2.8454042388883E+28
n5 3.6955575318685E+35

Nth Root

y√n
2√n 3603.8607076301
3√n 235.05996357245
4√n 60.032163942591
5√n 26.467151218999

Divisors of 12987812

1, 2, 4, 151, 302, 604, 21503, 43006, 86012, 3246953, 6493906, 12987812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987812 can be divided by 12 positive divisors. The sum of these divisors (counting 12987812) is 1, the average is 0.083333333333333.

Base conversion 12987812

Base System Value
2 Binary 110001100010110110100100
3 Ternary 220102211221002
4 Quaternary 301202312210
5 Quinary 11311102222
6 Senary 1142212432
8 Octal 61426644
10 Decimal 12987812
12 Duodecimal 4424118
16 Hexadecimal c62da4
20 Vigesimal 4139ac
36 Base36 7qdgk

Cryptographic Hash Functions

md5 ab74b77f0bf28dc5f9f587657f678a26
sha1 dbabd8ab4a4dfab7b6554277b58d1de8c1d7f9cc
sha256 6d499476f002dab8ead23aae9b534bde4757251db2979cb2b859aefcec57a815
sha512 a75d8f4e12d6899e7bb6e4a1822426aa1d52eee80e7a068c1efdee92d2c1f8decd7aceb6a82e62c97328365dc35a2d487d1ae9a22d183e0e3dd35fc8d5c2d813
ripemd-160 5df016fffbeb4667c471f55f16bc15fde1c118a1

12987812 as geometric shapes

Circle

Radius = n
Diameter 25975624
Circumference 81604829.530811
Area 5.2993409211911E+14

Sphere

Radius = n
Volume 9.1769124811116E+21
Surface area 2.1197363684764E+15
Circumference 81604829.530811

Square

Length = n
Perimeter 51951248
Area 168683260547344
Diagonal 18367539.875952

Cube

Length = n
Surface area 1012099563284064
Volume 2.1908264755359E+21
Space diagonal 22495550.263153

Equilateral Triangle

Length = n
Perimeter 38963436
Area 73041994413595
Altitude 11247775.131576

Triangular Pyramid

Length = n
Surface area 73041994413595
Volume 2.5819137620908E+20
Height 6122513.291984