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

12881921 (number)

12881921 is an odd 8-digits composite number following 12881920 and preceding 12881922. In scientific notation, it is written as 1.2881921 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 11890992 positive integers (up to 12881921) that are relatively prime to 12881921.

Interesting facts

12881921 has 4 divisors, whose sum is 13872852
The reverse of 12881921 is 12918821
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twelve million eight hundred eighty-one thousand nine hundred twenty-one

Notation

Scientific notation	1.2881921 × 10^7
Engineering notation	1.2881921 × 10^6

Prime Factorization of 12881921

Prime Factorization 13 × 990917

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12881921	Product of the distinct prime numbers

The prime factorization of 12881921 is 13 × 990917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 23, 53, 19, 524, 5827, 7502, 34142, 21841, 607969, 628448, 9025958, 1814024, 49888888, 96650449, 407647, 964263805, 2291841876, 7045609634

Basic calculations (n = 12881921)

Multiplication

n×y

n×2	25763842
n×3	38645763
n×4	51527684
n×5	64409605

Division

n÷y

n÷2	6440960.5
n÷3	4293973.6666667
n÷3	3220480.25
n÷5	2576384.2

Exponentiation

n^y

n²	165943888650241
n³	2.1376760640252E+21
n⁴	2.7537374180364E+28
n⁵	3.5473427873888E+35

Nth Root

^y√n

²√n	3589.1393118685
³√n	234.41939665034
⁴√n	59.909425901677
⁵√n	26.423851883535

Divisors of 12881921

1, 13, 990917, 12881921

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	-12881920	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 12881921 can be divided by 4 positive divisors. The sum of these divisors (counting 12881921) is 1, the average is 0.25.

Base conversion 12881921

Base	System	Value
2	Binary	110001001001000000000001
3	Ternary	220020110200012
4	Quaternary	301021000001
5	Quinary	11244210141
6	Senary	1140034305
8	Octal	61110001
10	Decimal	12881921
12	Duodecimal	4392995
16	Hexadecimal	c49001
20	Vigesimal	40a4g1
36	Base36	7o3r5

Cryptographic Hash Functions

md5	8ec70e8db84a878b27b4ae06ee1e32e2
sha1	48b9432b1104b0b0602d76f4d708464220b18ff5
sha256	014a5c7f6e10c21ef55eea6d89b9f963f81fcc0426850ad94a064f5bcd76101e
sha512	c19e0400d2f5a597d614f5f75480fb87148d943c40e4909e04778ddeaa30d638cdba7a1dd9558324bf48127d2bb043634b9c1fbd66787738185c7f9cbb4363f5
ripemd-160	1e8249939c8340dd91e306e2d0d39ec0b95aa0c6

12881921 as geometric shapes

Circle

Radius = n

Diameter	25763842
Circumference	80939496.755448
Area	5.2132810149172E+14

Sphere

Radius = n

Volume	8.9542765579951E+21
Surface area	2.0853124059669E+15
Circumference	80939496.755448

Square

Length = n

Perimeter	51527684
Area	165943888650241
Diagonal	18217787.387619

Cube

Length = n

Surface area	995663331901446
Volume	2.1376760640252E+21
Space diagonal	22312141.671088

Equilateral Triangle

Length = n

Perimeter	38645763
Area	71855811586942
Altitude	11156070.835544

Triangular Pyramid

Length = n

Surface area	71855811586942
Volume	2.5192754014206E+20
Height	6072595.7958729