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

12907981 (number)

12907981 is an odd 8-digits composite number following 12907980 and preceding 12907982. In scientific notation, it is written as 1.2907981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 12148672 positive integers (up to 12907981) that are relatively prime to 12907981.

Interesting facts

12907981 has 4 divisors, whose sum is 13667292
The reverse of 12907981 is 18970921
Previous prime number is 17

Basic properties

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

Name

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

Notation

Scientific notation	1.2907981 × 10^7
Engineering notation	1.2907981 × 10^6

Prime Factorization of 12907981

Prime Factorization 17 × 759293

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12907981	Product of the distinct prime numbers

The prime factorization of 12907981 is 17 × 759293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 75, 63, 444, 675, 9769, 2506, 83932, 78212, 171603, 58377, 7049336, 6272408, 13254766, 53452911, 908682412, 942778583, 4578519478, 6259140991

Basic calculations (n = 12907981)

Multiplication

n×y

n×2	25815962
n×3	38723943
n×4	51631924
n×5	64539905

Division

n÷y

n÷2	6453990.5
n÷3	4302660.3333333
n÷3	3226995.25
n÷5	2581596.2

Exponentiation

n^y

n²	166615973496361
n³	2.1506758201875E+21
n⁴	2.776088262414E+28
n⁵	3.5833694545563E+35

Nth Root

^y√n

²√n	3592.7678744945
³√n	234.57736622228
⁴√n	59.939701988703
⁵√n	26.43453428158

Divisors of 12907981

1, 17, 759293, 12907981

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	-12907980	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 12907981 can be divided by 4 positive divisors. The sum of these divisors (counting 12907981) is 1, the average is 0.25.

Base conversion 12907981

Base	System	Value
2	Binary	110001001111010111001101
3	Ternary	220021210102101
4	Quaternary	301033113031
5	Quinary	11301023411
6	Senary	1140355101
8	Octal	61172715
10	Decimal	12907981
12	Duodecimal	43a5a91
16	Hexadecimal	c4f5cd
20	Vigesimal	40d9j1
36	Base36	7onv1

Cryptographic Hash Functions

md5	cd3a1222dde4a0da485f2e77abc5ef67
sha1	fb2b6f5b77d0b8d113eefbdfd4e30d894385eaaa
sha256	6ec1a1973a137aa50cf2800b4aa5c723cd9034345d9bbb407bd8261aed37d522
sha512	ae39164a75980214c76e8ba9f5d55f474cfb92a29ac702aa185eaf4714b988f80ee2a5f515c8e6b4560f741191beb1f16fad5177f67ccbf585b2a48c390f2c93
ripemd-160	bcb4739aee6b76c16d516a93408b0347040bc17a

12907981 as geometric shapes

Circle

Radius = n

Diameter	25815962
Circumference	81103236.564553
Area	5.2343951830688E+14

Sphere

Radius = n

Volume	9.0087298092725E+21
Surface area	2.0937580732275E+15
Circumference	81103236.564553

Square

Length = n

Perimeter	51631924
Area	166615973496361
Diagonal	18254641.793054

Cube

Length = n

Surface area	999695840978166
Volume	2.1506758201875E+21
Space diagonal	22357278.915134

Equilateral Triangle

Length = n

Perimeter	38723943
Area	72146832862062
Altitude	11178639.457567

Triangular Pyramid

Length = n

Surface area	72146832862062
Volume	2.5345957609809E+20
Height	6084880.5976847