Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

12987839 (number)

12987839 is an odd 8-digits composite number following 12987838 and preceding 12987840. In scientific notation, it is written as 1.2987839 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 12711456 positive integers (up to 12987839) that are relatively prime to 12987839.

Interesting facts

12987839 has 4 divisors, whose sum is 13264224
The reverse of 12987839 is 93878921
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

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

Notation

Scientific notation	1.2987839 × 10^7
Engineering notation	1.2987839 × 10^6

Prime Factorization of 12987839

Prime Factorization 47 × 276337

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12987839	Product of the distinct prime numbers

The prime factorization of 12987839 is 47 × 276337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 64, 13, 468, 664, 3436, 7636, 1876, 48311, 17270, 674284, 3188673, 6540618, 49985710, 14543287, 112243080, 788844370, 8235186074, 1246449269

Basic calculations (n = 12987839)

Multiplication

n×y

n×2	25975678
n×3	38963517
n×4	51951356
n×5	64939195

Division

n÷y

n÷2	6493919.5
n÷3	4329279.6666667
n÷3	3246959.75
n÷5	2597567.8

Exponentiation

n^y

n²	168683961889921
n³	2.1908401389084E+21
n⁴	2.845427899888E+28
n⁵	3.6955959449854E+35

Nth Root

^y√n

²√n	3603.8644536109
³√n	235.06012645887
⁴√n	60.032195142364
⁵√n	26.467162223355

Divisors of 12987839

1, 47, 276337, 12987839

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	-12987838	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 12987839 can be divided by 4 positive divisors. The sum of these divisors (counting 12987839) is 1, the average is 0.25.

Base conversion 12987839

Base	System	Value
2	Binary	110001100010110110111111
3	Ternary	220102211222002
4	Quaternary	301202312333
5	Quinary	11311102324
6	Senary	1142212515
8	Octal	61426677
10	Decimal	12987839
12	Duodecimal	442413b
16	Hexadecimal	c62dbf
20	Vigesimal	4139bj
36	Base36	7qdhb

Cryptographic Hash Functions

md5	8a5a2e1f4211ac45f851b3c4915908dd
sha1	b8bc5f4397027e7911cea9ac8997c5d0ddfaed4e
sha256	cb061eba5f3e1d8ec63a6d0ff890923af89ab737b8afd4b9e885247bae551b3d
sha512	a5b97d1cf4948c2a2f14143e6afa3b2c9e160cc2f5f066ac4001d3bf47ae090dda8f6f67a9ffd7b83ed95ce1877689c0ae858c6cc70193d7c1c95a17041c5e77
ripemd-160	b2563077b2039e0dc8a64d8d29ca58e18ed0016b

12987839 as geometric shapes

Circle

Radius = n

Diameter	25975678
Circumference	81604999.176814
Area	5.299362954518E+14

Sphere

Radius = n

Volume	9.1769697141125E+21
Surface area	2.1197451818072E+15
Circumference	81604999.176814

Square

Length = n

Perimeter	51951356
Area	168683961889921
Diagonal	18367578.059718

Cube

Length = n

Surface area	1012103771339526
Volume	2.1908401389084E+21
Space diagonal	22495597.028525

Equilateral Triangle

Length = n

Perimeter	38963517
Area	73042298103839
Altitude	11247798.514262

Triangular Pyramid

Length = n

Surface area	73042298103839
Volume	2.5819298645297E+20
Height	6122526.0199061