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

12881387 (number)

12881387 is an odd 8-digits prime number following 12881386 and preceding 12881388. In scientific notation, it is written as 1.2881387 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 12881386 positive integers (up to 12881387) that are relatively prime to 12881387.

Interesting facts

12881387 has 2 divisors, whose sum is 12881388
The reverse of 12881387 is 78318821
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twelve million eight hundred eighty-one thousand three hundred eighty-seven

Notation

Scientific notation	1.2881387 × 10^7
Engineering notation	1.2881387 × 10^6

Prime Factorization of 12881387

Prime Factorization 12881387

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12881387	Product of the distinct prime numbers

The prime factorization of 12881387 is 12881387. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 2, 53, 86, 81, 544, 3756, 4290, 7141, 43053, 856841, 17858, 6555518, 3452472, 93853456, 80639228, 431274445, 971569602, 9517097997, 9009995786

Basic calculations (n = 12881387)

Multiplication

n×y

n×2	25762774
n×3	38644161
n×4	51525548
n×5	64406935

Division

n÷y

n÷2	6440693.5
n÷3	4293795.6666667
n÷3	3220346.75
n÷5	2576277.4

Exponentiation

n^y

n²	165930131043769
n³	2.1374102329355E+21
n⁴	2.7532808388202E+28
n⁵	3.5466076004528E+35

Nth Root

^y√n

²√n	3589.0649200035
³√n	234.41615744175
⁴√n	59.908805029007
⁵√n	26.423632807966

Divisors of 12881387

1, 12881387

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12881388	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6440694	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3589.0650593156	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998447372	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12881387 can be divided by 2 positive divisors. The sum of these divisors (counting 12881387) is 12881388, the average is 6440694.

Base conversion 12881387

Base	System	Value
2	Binary	110001001000110111101011
3	Ternary	220020102221102
4	Quaternary	301020313223
5	Quinary	11244201022
6	Senary	1140032015
8	Octal	61106753
10	Decimal	12881387
12	Duodecimal	439260b
16	Hexadecimal	c48deb
20	Vigesimal	40a397
36	Base36	7o3cb

Cryptographic Hash Functions

md5	9ac29be43882b09867af6a2a6e346925
sha1	d48e373bebe9e2914924ddaf985f6c7d597533aa
sha256	30e154c4623b9b299c75e8d2c382fa5451d2ce63915b169b27746ad64c6ebee8
sha512	225b5903c735091e34b8549145067927cccb302960a88c7e6d58672b29960d1322928003e7e3a5a4cdce49a9b60a64204e1a297368e4dba6e241a64078c6d9a5
ripemd-160	3bf0feded62e38e7f62a431ddd27ea2f766e0101

12881387 as geometric shapes

Circle

Radius = n

Diameter	25762774
Circumference	80936141.534494
Area	5.212848806963E+14

Sphere

Radius = n

Volume	8.9531630473304E+21
Surface area	2.0851395227852E+15
Circumference	80936141.534494

Square

Length = n

Perimeter	51525548
Area	165930131043769
Diagonal	18217032.197576

Cube

Length = n

Surface area	995580786262614
Volume	2.1374102329355E+21
Space diagonal	22311216.755957

Equilateral Triangle

Length = n

Perimeter	38644161
Area	71849854368592
Altitude	11155608.377979

Triangular Pyramid

Length = n

Surface area	71849854368592
Volume	2.518962116477E+20
Height	6072344.0658588