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

12981915 (number)

12981915 is an odd 8-digits composite number following 12981914 and preceding 12981916. In scientific notation, it is written as 1.2981915 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6761664 positive integers (up to 12981915) that are relatively prime to 12981915.

Interesting facts

12981915 has 16 divisors, whose sum is 18895360
The reverse of 12981915 is 51918921
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	1.2981915 × 10^7
Engineering notation	1.2981915 × 10^6

Prime Factorization of 12981915

Prime Factorization 15 × 3 × 43 × 6709

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	12981915	Product of the distinct prime numbers

The prime factorization of 12981915 is 15 × 3 × 43 × 6709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 95, 10, 498, 625, 6733, 9014, 81880, 78007, 77938, 207436, 7567742, 4450830, 86876493, 81555173, 188741271, 612978503, 5312481074, 4123664693

Basic calculations (n = 12981915)

Multiplication

n×y

n×2	25963830
n×3	38945745
n×4	51927660
n×5	64909575

Division

n÷y

n÷2	6490957.5
n÷3	4327305
n÷3	3245478.75
n÷5	2596383

Exponentiation

n^y

n²	168530117067225
n³	2.1878436547068E+21
n⁴	2.8402400358693E+28
n⁵	3.6871754725252E+35

Nth Root

^y√n

²√n	3603.0424643626
³√n	235.02438256138
⁴√n	60.025348515128
⁵√n	26.464747347669

Divisors of 12981915

1, 3, 15, 43, 45, 129, 645, 1935, 6709, 20127, 100635, 288487, 301905, 865461, 4327305, 12981915

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12981914	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981915 can be divided by 16 positive divisors. The sum of these divisors (counting 12981915) is 1, the average is 0.0625.

Base conversion 12981915

Base	System	Value
2	Binary	110001100001011010011011
3	Ternary	220102112211200
4	Quaternary	301201122123
5	Quinary	11310410130
6	Senary	1142125243
8	Octal	61413233
10	Decimal	12981915
12	Duodecimal	4420823
16	Hexadecimal	c6169b
20	Vigesimal	412eff
36	Base36	7q8wr

Cryptographic Hash Functions

md5	fcf2e909913093527a3d7c7dc1216e17
sha1	d8314e9eb96aa1c0dda56f276abe73534b164b2d
sha256	cb5e35e9ea59118dc3900f1d2a04d3d6e09f50ead12d6fe5171dd7541f1d8032
sha512	484967ce533b802e3125a16361b7d684d61e47b86c896a718f446fdab982c1124e275e040103643219f8035e6eeb6b3a8f3cd753b34b5d627f78529ea96d3b7c
ripemd-160	80a8477e62a3d7b39fb1c6019e9dbd3d41b9c979

12981915 as geometric shapes

Circle

Radius = n

Diameter	25963830
Circumference	81567777.587054
Area	5.2945297768702E+14

Sphere

Radius = n

Volume	9.1644180704398E+21
Surface area	2.1178119107481E+15
Circumference	81567777.587054

Square

Length = n

Perimeter	51927660
Area	168530117067225
Diagonal	18359200.258575

Cube

Length = n

Surface area	1011180702403350
Volume	2.1878436547068E+21
Space diagonal	22485336.359541

Equilateral Triangle

Length = n

Perimeter	38945745
Area	72975681341491
Altitude	11242668.17977

Triangular Pyramid

Length = n

Surface area	72975681341491
Volume	2.5783984740319E+20
Height	6119733.4195249