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

12840981 (number)

12840981 is an odd 8-digits composite number following 12840980 and preceding 12840982. In scientific notation, it is written as 1.2840981 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8484672 positive integers (up to 12840981) that are relatively prime to 12840981.

Interesting facts

12840981 has 8 divisors, whose sum is 17273280
The reverse of 12840981 is 18904821
Previous prime number is 113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	1.2840981 × 10^7
Engineering notation	1.2840981 × 10^6

Prime Factorization of 12840981

Prime Factorization 3 × 113 × 37879

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12840981	Product of the distinct prime numbers

The prime factorization of 12840981 is 3 × 113 × 37879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 72, 79, 409, 60, 7307, 7855, 55192, 24938, 283424, 430531, 1433259, 294145, 33542315, 39212474, 544886861, 662680206, 4844193513, 7208153926

Basic calculations (n = 12840981)

Multiplication

n×y

n×2	25681962
n×3	38522943
n×4	51363924
n×5	64204905

Division

n÷y

n÷2	6420490.5
n÷3	4280327
n÷3	3210245.25
n÷5	2568196.2

Exponentiation

n^y

n²	164890793042361
n³	2.1173595405319E+21
n⁴	2.7188973630139E+28
n⁵	3.4913309379411E+35

Nth Root

^y√n

²√n	3583.4314560209
³√n	234.17079721244
⁴√n	59.861769569742
⁵√n	26.407034976474

Divisors of 12840981

1, 3, 113, 339, 37879, 113637, 4280327, 12840981

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12840980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12840981 can be divided by 8 positive divisors. The sum of these divisors (counting 12840981) is 1, the average is 0.125.

Base conversion 12840981

Base	System	Value
2	Binary	110000111111000000010101
3	Ternary	220011101111220
4	Quaternary	300333000111
5	Quinary	11241402411
6	Senary	1135120553
8	Octal	60770025
10	Decimal	12840981
12	Duodecimal	4373159
16	Hexadecimal	c3f015
20	Vigesimal	405291
36	Base36	7n85x

Cryptographic Hash Functions

md5	3bc99ffc0d36e6fe0a52a8451d24e942
sha1	fe6ce9518c15d1d6450f69aa0613cc089198f426
sha256	0611b7a612c5c75fb037a99178af9265dc2cb6916e5f1bccb376059ce71aa7c3
sha512	1131e85910bcafcf7ac8787d2836f1a52b2b4cb10bc261aec1b05d8ee512a28985f95c0966b82ef37e4d5f7906b0418950b3a4b9f8796f72636c58e91032eb2b
ripemd-160	7dff6f1c8dafc82217e4223a8dc6448b8a03f96b

12840981 as geometric shapes

Circle

Radius = n

Diameter	25681962
Circumference	80682263.148972
Area	5.1801970406648E+14

Sphere

Radius = n

Volume	8.869174903391E+21
Surface area	2.0720788162659E+15
Circumference	80682263.148972

Square

Length = n

Perimeter	51363924
Area	164890793042361
Diagonal	18159889.484375

Cube

Length = n

Surface area	989344758254166
Volume	2.1173595405319E+21
Space diagonal	22241231.511027

Equilateral Triangle

Length = n

Perimeter	38522943
Area	71399807812423
Altitude	11120615.755513

Triangular Pyramid

Length = n

Surface area	71399807812423
Volume	2.4953321488669E+20
Height	6053296.4947917