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

12390987 (number)

12390987 is an odd 8-digits composite number following 12390986 and preceding 12390988. In scientific notation, it is written as 1.2390987 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6994272 positive integers (up to 12390987) that are relatively prime to 12390987.

Interesting facts

12390987 has 8 divisors, whose sum is 13139280
The reverse of 12390987 is 78909321
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twelve million three hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation	1.2390987 × 10^7
Engineering notation	1.2390987 × 10^6

Prime Factorization of 12390987

Prime Factorization 21 × 83 × 7109

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12390987	Product of the distinct prime numbers

The prime factorization of 12390987 is 21 × 83 × 7109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 41, 91, 95, 389, 2088, 6420, 74720, 50625, 689326, 805308, 7686166, 4680759, 93614003, 57333989, 219336928, 428135200, 8267937153, 8946982845

Basic calculations (n = 12390987)

Multiplication

n×y

n×2	24781974
n×3	37172961
n×4	49563948
n×5	61954935

Division

n÷y

n÷2	6195493.5
n÷3	4130329
n÷3	3097746.75
n÷5	2478197.4

Exponentiation

n^y

n²	153536558834169
n³	1.9024695045389E+21
n⁴	2.3573474898638E+28
n⁵	2.9209862101385E+35

Nth Root

^y√n

²√n	3520.0833796943
³√n	231.40281285154
⁴√n	59.330290574834
⁵√n	26.219305282887

Divisors of 12390987

1, 21, 83, 1743, 7109, 149289, 590047, 12390987

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	-12390986	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 12390987 can be divided by 8 positive divisors. The sum of these divisors (counting 12390987) is 1, the average is 0.125.

Base conversion 12390987

Base	System	Value
2	Binary	101111010001001001001011
3	Ternary	212022112020110
4	Quaternary	233101021023
5	Quinary	11133002422
6	Senary	1121325403
8	Octal	57211113
10	Decimal	12390987
12	Duodecimal	4196863
16	Hexadecimal	bd124b
20	Vigesimal	3h8h97
36	Base36	7dky3

Cryptographic Hash Functions

md5	93a5518bf85237afc3ede12ca88f37eb
sha1	78665381bce3f1088c6b24a7b80ecfc6433ba09d
sha256	9fe78a570349958f4e90b3ab3b39be0350279e8d3671a148a51256e878857e09
sha512	2f858bbb1d07a8f9345e9fe602c936f06da1f5767537a161b8f92834b94197536d5969902f3a19265a89b30e3d9fc0fa3133e344efceb3b76b78d03e4be6b13b
ripemd-160	cbf313bd8a70db3fbb70c107995d902c3fcb9f03

12390987 as geometric shapes

Circle

Radius = n

Diameter	24781974
Circumference	77854867.459853
Area	4.8234932529088E+14

Sphere

Radius = n

Volume	7.9690456255175E+21
Surface area	1.9293973011635E+15
Circumference	77854867.459853

Square

Length = n

Perimeter	49563948
Area	153536558834169
Diagonal	17523501.866589

Cube

Length = n

Surface area	921219353005014
Volume	1.9024695045389E+21
Space diagonal	21461819.039925

Equilateral Triangle

Length = n

Perimeter	37172961
Area	66483280180017
Altitude	10730909.519963

Triangular Pyramid

Length = n

Surface area	66483280180017
Volume	2.2420818127668E+20
Height	5841167.2888629