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

12389987 (number)

12389987 is an odd 8-digits composite number following 12389986 and preceding 12389988. In scientific notation, it is written as 1.2389987 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 11990280 positive integers (up to 12389987) that are relatively prime to 12389987.

Interesting facts

12389987 has 4 divisors, whose sum is 12789696
The reverse of 12389987 is 78998321
Previous prime number is 31

Basic properties

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

Name

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

Notation

Scientific notation	1.2389987 × 10^7
Engineering notation	1.2389987 × 10^6

Prime Factorization of 12389987

Prime Factorization 31 × 399677

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12389987	Product of the distinct prime numbers

The prime factorization of 12389987 is 31 × 399677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 4, 50, 655, 750, 9207, 1280, 97477, 7319, 488944, 338797, 9809081, 7544195, 16026356, 73950180, 45824834, 885793721, 7383885701, 1815240887

Basic calculations (n = 12389987)

Multiplication

n×y

n×2	24779974
n×3	37169961
n×4	49559948
n×5	61949935

Division

n÷y

n÷2	6194993.5
n÷3	4129995.6666667
n÷3	3097496.75
n÷5	2477997.4

Exponentiation

n^y

n²	153511777860169
n³	1.9020089320344E+21
n⁴	2.356586594179E+28
n⁵	2.9198077266252E+35

Nth Root

^y√n

²√n	3519.9413347384
³√n	231.39658765365
⁴√n	59.329093493314
⁵√n	26.218882069599

Divisors of 12389987

1, 31, 399677, 12389987

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	-12389986	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 12389987 can be divided by 4 positive divisors. The sum of these divisors (counting 12389987) is 1, the average is 0.25.

Base conversion 12389987

Base	System	Value
2	Binary	101111010000111001100011
3	Ternary	212022110212102
4	Quaternary	233100321203
5	Quinary	11132434422
6	Senary	1121321015
8	Octal	57207143
10	Decimal	12389987
12	Duodecimal	419616b
16	Hexadecimal	bd0e63
20	Vigesimal	3h8ej7
36	Base36	7dk6b

Cryptographic Hash Functions

md5	cd516ac44197e570f2dbab194e337077
sha1	c38d9ed90fbce8d4dc86bef30584aaed3a79d4e2
sha256	558ed76bf1eb12334c884bf449e5ef934bf1412fe03bf3affe5350f9f81111e0
sha512	0edf8ee7f593c701be39fd9aa0c672bbe6f7b6eefa4b57d20a2ed538fc96703ff5c67a903a9b672bad842a6e5022a30d91c53c04b4a9c2ec408bfa6586e12b48
ripemd-160	657c6735b7ed4896ff386e59bf8bbddd038c1809

12389987 as geometric shapes

Circle

Radius = n

Diameter	24779974
Circumference	77848584.274546
Area	4.8227147356502E+14

Sphere

Radius = n

Volume	7.9671163839218E+21
Surface area	1.9290858942601E+15
Circumference	77848584.274546

Square

Length = n

Perimeter	49559948
Area	153511777860169
Diagonal	17522087.653026

Cube

Length = n

Surface area	921070667161014
Volume	1.9020089320344E+21
Space diagonal	21460086.989118

Equilateral Triangle

Length = n

Perimeter	37169961
Area	66472549703510
Altitude	10730043.494559

Triangular Pyramid

Length = n

Surface area	66472549703510
Volume	2.2415390228648E+20
Height	5840695.8843421