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

12856987 (number)

12856987 is an odd 8-digits composite number following 12856986 and preceding 12856988. In scientific notation, it is written as 1.2856987 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 10788960 positive integers (up to 12856987) that are relatively prime to 12856987.

Interesting facts

12856987 has 4 divisors, whose sum is 12947040
The reverse of 12856987 is 78965821
Previous prime number is 143

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	1.2856987 × 10^7
Engineering notation	1.2856987 × 10^6

Prime Factorization of 12856987

Prime Factorization 143 × 89909

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12856987	Product of the distinct prime numbers

The prime factorization of 12856987 is 143 × 89909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 89, 51, 447, 497, 169, 6000, 68021, 5829, 454992, 208749, 6354210, 7862808, 31060400, 99865870, 863620298, 77315570, 1931856960, 5301769953

Basic calculations (n = 12856987)

Multiplication

n×y

n×2	25713974
n×3	38570961
n×4	51427948
n×5	64284935

Division

n÷y

n÷2	6428493.5
n÷3	4285662.3333333
n÷3	3214246.75
n÷5	2571397.4

Exponentiation

n^y

n²	165302114718169
n³	2.125287140004E+21
n⁴	2.7324789130299E+28
n⁵	3.5131445862599E+35

Nth Root

^y√n

²√n	3585.6640946971
³√n	234.26805306161
⁴√n	59.880414950943
⁵√n	26.413614854122

Divisors of 12856987

1, 143, 89909, 12856987

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	-12856986	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 12856987 can be divided by 4 positive divisors. The sum of these divisors (counting 12856987) is 1, the average is 0.25.

Base conversion 12856987

Base	System	Value
2	Binary	110001000010111010011011
3	Ternary	220012012110201
4	Quaternary	301002322123
5	Quinary	11242410422
6	Senary	1135323031
8	Octal	61027233
10	Decimal	12856987
12	Duodecimal	4380477
16	Hexadecimal	c42e9b
20	Vigesimal	407297
36	Base36	7nkij

Cryptographic Hash Functions

md5	08958ab3009d9ec1dfd571f2bbcae00d
sha1	44074fd8f4dda347185c245cb2d506edf50987d9
sha256	152aad8a45857c49ad14a87b5f86dccdea91a4d3d3e9778cc4a05103fbf39812
sha512	1cc72de02a263e78a1cf52cd6ac8f80086b998f67557b81f39e93a0644861464f4fd45aafeb04e795b8951fa691ae1c7bdff4a3be5d8174f8dc38f10c2c7f00c
ripemd-160	da44b86eba2ffb1fbe9b17b29e50d78d4fa2e43e

12856987 as geometric shapes

Circle

Radius = n

Diameter	25713974
Circumference	80782831.812999
Area	5.1931190922146E+14

Sphere

Radius = n

Volume	8.9023819544073E+21
Surface area	2.0772476368858E+15
Circumference	80782831.812999

Square

Length = n

Perimeter	51427948
Area	165302114718169
Diagonal	18182525.386655

Cube

Length = n

Surface area	991812688309014
Volume	2.125287140004E+21
Space diagonal	22268954.716253

Equilateral Triangle

Length = n

Perimeter	38570961
Area	71577915322612
Altitude	11134477.358126

Triangular Pyramid

Length = n

Surface area	71577915322612
Volume	2.5046749144423E+20
Height	6060841.7955515