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

12748981 (number)

12748981 is an odd 8-digits composite number following 12748980 and preceding 12748982. In scientific notation, it is written as 1.2748981 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10352448 positive integers (up to 12748981) that are relatively prime to 12748981.

Interesting facts

12748981 has 8 divisors, whose sum is 15337280
The reverse of 12748981 is 18984721
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	1.2748981 × 10^7
Engineering notation	1.2748981 × 10^6

Prime Factorization of 12748981

Prime Factorization 7 × 19 × 95857

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12748981	Product of the distinct prime numbers

The prime factorization of 12748981 is 7 × 19 × 95857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 20, 99, 487, 230, 4194, 844, 63987, 21190, 970873, 839870, 136211, 1305522, 77110259, 10123511, 988954952, 886909045, 1347575209, 5225265322

Basic calculations (n = 12748981)

Multiplication

n×y

n×2	25497962
n×3	38246943
n×4	50995924
n×5	63744905

Division

n÷y

n÷2	6374490.5
n÷3	4249660.3333333
n÷3	3187245.25
n÷5	2549796.2

Exponentiation

n^y

n²	162536516538361
n³	2.0721749611538E+21
n⁴	2.6418119208425E+28
n⁵	3.3680409984394E+35

Nth Root

^y√n

²√n	3570.5715228798
³√n	233.61021258794
⁴√n	59.754259453865
⁵√n	26.36908710212

Divisors of 12748981

1, 7, 19, 133, 95857, 670999, 1821283, 12748981

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	-12748980	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 12748981 can be divided by 8 positive divisors. The sum of these divisors (counting 12748981) is 1, the average is 0.125.

Base conversion 12748981

Base	System	Value
2	Binary	110000101000100010110101
3	Ternary	212222201022111
4	Quaternary	300220202311
5	Quinary	11230431411
6	Senary	1133131021
8	Octal	60504265
10	Decimal	12748981
12	Duodecimal	4329a71
16	Hexadecimal	c288b5
20	Vigesimal	3jdc91
36	Base36	7l96d

Cryptographic Hash Functions

md5	5499f86b88901a0e928f772bfb3b932e
sha1	cd4be00625f6d2971a7d00f957c6735a7925e307
sha256	d8485e6e6b5f374162946b94898fd159070e0553d212129c0201dc7af571e026
sha512	ffdd854f9cd01ed03e9501059ab6ad5482483f138b110fa9d9483dce082397c24d41ded31d1359bf0bb9047e49f57fd36f961612a87326fefc0c898ad7797293
ripemd-160	63fc15b72a41ab6f6a2ed6fb28f6c00f69495215

12748981 as geometric shapes

Circle

Radius = n

Diameter	25497962
Circumference	80104210.100712
Area	5.1062352629699E+14

Sphere

Radius = n

Volume	8.6799061798844E+21
Surface area	2.042494105188E+15
Circumference	80104210.100712

Square

Length = n

Perimeter	50995924
Area	162536516538361
Diagonal	18029781.836637

Cube

Length = n

Surface area	975219099230166
Volume	2.0721749611538E+21
Space diagonal	22081882.83673

Equilateral Triangle

Length = n

Perimeter	38246943
Area	70380376182425
Altitude	11040941.418365

Triangular Pyramid

Length = n

Surface area	70380376182425
Volume	2.4420816113946E+20
Height	6009927.278879