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

12981385 (number)

12981385 is an odd 8-digits composite number following 12981384 and preceding 12981386. In scientific notation, it is written as 1.2981385 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10385104 positive integers (up to 12981385) that are relatively prime to 12981385.

Interesting facts

12981385 has 4 divisors, whose sum is 15577668
The reverse of 12981385 is 58318921
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twelve million nine hundred eighty-one thousand three hundred eighty-five

Notation

Scientific notation	1.2981385 × 10^7
Engineering notation	1.2981385 × 10^6

Prime Factorization of 12981385

Prime Factorization 5 × 2596277

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981385	Product of the distinct prime numbers

The prime factorization of 12981385 is 5 × 2596277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 7, 88, 253, 560, 684, 232, 53860, 40355, 594775, 516885, 6546139, 9777684, 17927770, 3074692, 39462924, 595783941, 1850618385, 5510559224

Basic calculations (n = 12981385)

Multiplication

n×y

n×2	25962770
n×3	38944155
n×4	51925540
n×5	64906925

Division

n÷y

n÷2	6490692.5
n÷3	4327128.3333333
n÷3	3245346.25
n÷5	2596277

Exponentiation

n^y

n²	168516356518225
n³	2.1875757027603E+21
n⁴	2.8397762414178E+28
n⁵	3.6864228703697E+35

Nth Root

^y√n

²√n	3602.9689146591
³√n	235.02118414733
⁴√n	60.024735856638
⁵√n	26.464531254047

Divisors of 12981385

1, 5, 2596277, 12981385

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	-12981384	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 12981385 can be divided by 4 positive divisors. The sum of these divisors (counting 12981385) is 1, the average is 0.25.

Base conversion 12981385

Base	System	Value
2	Binary	110001100001010010001001
3	Ternary	220102112010001
4	Quaternary	301201102021
5	Quinary	11310401020
6	Senary	1142123001
8	Octal	61412211
10	Decimal	12981385
12	Duodecimal	4420461
16	Hexadecimal	c61489
20	Vigesimal	412d95
36	Base36	7q8i1

Cryptographic Hash Functions

md5	fab9e6e238fbb0874bff6129bffd03cc
sha1	e6dd1a7ec6ca307a0263423e86fdec8f89ca5bdf
sha256	7ba30a100e694317670bf352b18f445daeb2d58140c6aba4323f798875afb5a7
sha512	588588d5a98110b36d2349513076b4405b4139ed0193c3681e349ffc0f1f5dbbab7039050d34e35f0b2d0fcd65a6726b0460edb862c81d266cae90d84a0b40f5
ripemd-160	1d5e6d0fe261f94a2dab66668eaf5e26dab3ab87

12981385 as geometric shapes

Circle

Radius = n

Diameter	25962770
Circumference	81564447.498841
Area	5.2940974764737E+14

Sphere

Radius = n

Volume	9.1632956759512E+21
Surface area	2.1176389905895E+15
Circumference	81564447.498841

Square

Length = n

Perimeter	51925540
Area	168516356518225
Diagonal	18358450.725387

Cube

Length = n

Surface area	1011098139109350
Volume	2.1875757027603E+21
Space diagonal	22484418.372613

Equilateral Triangle

Length = n

Perimeter	38944155
Area	72969722848989
Altitude	11242209.186306

Triangular Pyramid

Length = n

Surface area	72969722848989
Volume	2.5780826896346E+20
Height	6119483.5751289