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

12781121 (number)

12781121 is an odd 8-digits composite number following 12781120 and preceding 12781122. In scientific notation, it is written as 1.2781121 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 12590292 positive integers (up to 12781121) that are relatively prime to 12781121.

Interesting facts

12781121 has 4 divisors, whose sum is 12971952
The reverse of 12781121 is 12118721
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twelve million seven hundred eighty-one thousand one hundred twenty-one

Notation

Scientific notation	1.2781121 × 10^7
Engineering notation	1.2781121 × 10^6

Prime Factorization of 12781121

Prime Factorization 67 × 190763

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12781121	Product of the distinct prime numbers

The prime factorization of 12781121 is 67 × 190763. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 55, 35, 393, 851, 7410, 1610, 11660, 48001, 616056, 642639, 4083763, 6317813, 35579725, 87861504, 176114735, 882437525, 7940945486, 2878383254

Basic calculations (n = 12781121)

Multiplication

n×y

n×2	25562242
n×3	38343363
n×4	51124484
n×5	63905605

Division

n÷y

n÷2	6390560.5
n÷3	4260373.6666667
n÷3	3195280.25
n÷5	2556224.2

Exponentiation

n^y

n²	163357054016641
n³	2.0878862735902E+21
n⁴	2.6685527096996E+28
n⁵	3.4107095077548E+35

Nth Root

^y√n

²√n	3575.0693699563
³√n	233.80635719672
⁴√n	59.79188381341
⁵√n	26.382368934342

Divisors of 12781121

1, 67, 190763, 12781121

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	-12781120	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 12781121 can be divided by 4 positive divisors. The sum of these divisors (counting 12781121) is 1, the average is 0.25.

Base conversion 12781121

Base	System	Value
2	Binary	110000110000011001000001
3	Ternary	220001100101212
4	Quaternary	300300121001
5	Quinary	11232443441
6	Senary	1133535505
8	Octal	60603101
10	Decimal	12781121
12	Duodecimal	4344595
16	Hexadecimal	c30641
20	Vigesimal	3jhcg1
36	Base36	7lxz5

Cryptographic Hash Functions

md5	5871e0bdf521049af84bc81fdcef2c76
sha1	6c04f6bc41b4f8543a4b8d145956974a0a770b0e
sha256	5de575c60699115a70b076c0d37f0da7a92081e07e26302a279933428fbe1629
sha512	72689f14b4ac02868e0065e4885d01876550dcdcae1b746f270a6579575a2ede02905511cb9913f8bc335aba4a4c5286b3f565d6812688128ccc5ff64cf12d00
ripemd-160	a92f3afb73b3bb306898c2077d3772dc6ec91752

12781121 as geometric shapes

Circle

Radius = n

Diameter	25562242
Circumference	80306151.676484
Area	5.1320132081075E+14

Sphere

Radius = n

Volume	8.7457175715227E+21
Surface area	2.052805283243E+15
Circumference	80306151.676484

Square

Length = n

Perimeter	51124484
Area	163357054016641
Diagonal	18075234.660532

Cube

Length = n

Surface area	980142324099846
Volume	2.0878862735902E+21
Space diagonal	22137550.949686

Equilateral Triangle

Length = n

Perimeter	38343363
Area	70735679332899
Altitude	11068775.474843

Triangular Pyramid

Length = n

Surface area	70735679332899
Volume	2.4605975706699E+20
Height	6025078.2201772