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

12812981 (number)

12812981 is an odd 8-digits prime number following 12812980 and preceding 12812982. In scientific notation, it is written as 1.2812981 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 12812980 positive integers (up to 12812981) that are relatively prime to 12812981.

Interesting facts

12812981 has 2 divisors, whose sum is 12812982
The reverse of 12812981 is 18921821
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	1.2812981 × 10^7
Engineering notation	1.2812981 × 10^6

Prime Factorization of 12812981

Prime Factorization 12812981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12812981	Product of the distinct prime numbers

The prime factorization of 12812981 is 12812981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 2, 97, 80, 717, 384, 5445, 2163, 95995, 57638, 668711, 137041, 6584591, 9859545, 43920352, 97768220, 232696784, 646230182, 1245382918, 1887413939

Basic calculations (n = 12812981)

Multiplication

n×y

n×2	25625962
n×3	38438943
n×4	51251924
n×5	64064905

Division

n÷y

n÷2	6406490.5
n÷3	4270993.6666667
n÷3	3203245.25
n÷5	2562596.2

Exponentiation

n^y

n²	164172482106361
n³	2.1035388939516E+21
n⁴	2.6952603880963E+28
n⁵	3.4534320142731E+35

Nth Root

^y√n

²√n	3579.522454183
³√n	234.00046874526
⁴√n	59.829110424466
⁵√n	26.395508711745

Divisors of 12812981

1, 12812981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12812982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6406491	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3579.5225938664	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998439083	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12812981 can be divided by 2 positive divisors. The sum of these divisors (counting 12812981) is 12812982, the average is 6406491.

Base conversion 12812981

Base	System	Value
2	Binary	110000111000001010110101
3	Ternary	220002222002212
4	Quaternary	300320022311
5	Quinary	11240003411
6	Senary	1134343205
8	Octal	60701265
10	Decimal	12812981
12	Duodecimal	435ab05
16	Hexadecimal	c382b5
20	Vigesimal	401c91
36	Base36	7mmk5

Cryptographic Hash Functions

md5	978c871f7cebfb1542d50682a6c9bd8e
sha1	9707a7d44282d24a5bc3ab7444c86f531817c426
sha256	0f207e02c2a1c742a9c6e011d8a95e82d7392ad493e8b27a7446ee848305700c
sha512	acfc2c3e246953f2f3444c55100404c81d91eca029aae5402735583339a41cff50da6fb47d818570186b294e4385444db9432c862be235e2c8aba9acdce24f3f
ripemd-160	a24a26876585a941a7a9cfd01a510107a39e4c73

12812981 as geometric shapes

Circle

Radius = n

Diameter	25625962
Circumference	80506333.960371
Area	5.1576306370695E+14

Sphere

Radius = n

Volume	8.8112831143718E+21
Surface area	2.0630522548278E+15
Circumference	80506333.960371

Square

Length = n

Perimeter	51251924
Area	164172482106361
Diagonal	18120291.504629

Cube

Length = n

Surface area	985034892638166
Volume	2.1035388939516E+21
Space diagonal	22192734.088415

Equilateral Triangle

Length = n

Perimeter	38438943
Area	71088770053227
Altitude	11096367.044207

Triangular Pyramid

Length = n

Surface area	71088770053227
Volume	2.4790443606714E+20
Height	6040097.1682096