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

12897918 (number)

12897918 is an even 8-digits composite number following 12897917 and preceding 12897919. In scientific notation, it is written as 1.2897918 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 3908400 positive integers (up to 12897918) that are relatively prime to 12897918.

Interesting facts

12897918 has 8 divisors, whose sum is 19542600
The reverse of 12897918 is 81979821
Previous prime number is 99

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twelve million eight hundred ninety-seven thousand nine hundred eighteen

Notation

Scientific notation	1.2897918 × 10^7
Engineering notation	1.2897918 × 10^6

Prime Factorization of 12897918

Prime Factorization 2 × 99 × 65141

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12897918	Product of the distinct prime numbers

The prime factorization of 12897918 is 2 × 99 × 65141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 48, 97, 865, 303, 8017, 1016, 36382, 30597, 51237, 773496, 86400, 8354580, 26610160, 39349256, 123934345, 834740321, 2065640251, 3867200652

Basic calculations (n = 12897918)

Multiplication

n×y

n×2	25795836
n×3	38693754
n×4	51591672
n×5	64489590

Division

n÷y

n÷2	6448959
n÷3	4299306
n÷3	3224479.5
n÷5	2579583.6

Exponentiation

n^y

n²	166356288734724
n³	2.1456497708848E+21
n⁴	2.7674414801591E+28
n⁵	3.5694233280891E+35

Nth Root

^y√n

²√n	3591.3671491509
³√n	234.51639191171
⁴√n	59.92801639593
⁵√n	26.430411348496

Divisors of 12897918

1, 2, 99, 198, 65141, 130282, 6448959, 12897918

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	-12897917	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 12897918 can be divided by 8 positive divisors. The sum of these divisors (counting 12897918) is 1, the average is 0.125.

Base conversion 12897918

Base	System	Value
2	Binary	110001001100111001111110
3	Ternary	220021021121200
4	Quaternary	301030321332
5	Quinary	11300213133
6	Senary	1140240330
8	Octal	61147176
10	Decimal	12897918
12	Duodecimal	43a00a6
16	Hexadecimal	c4ce7e
20	Vigesimal	40c4fi
36	Base36	7og3i

Cryptographic Hash Functions

md5	b130df7f2ce40d4592b039492f2cf44f
sha1	63cd1e6d32058cb5557b0a25f7dd6baced0b0e92
sha256	00f7ab464439c948ccf20a3ee6ac291759ad2a0086ea5445cd8b5cddcb7df230
sha512	986bf5fea933186d6a0918de52034435783f7717f3b2359f34b241e90ace982f6ad026c5def497af801b38e7e113a249c27308151b0dc443ebdce0f6969d9cfa
ripemd-160	dd191d3139e6beceb0d75da0d1f4cd6e65041936

12897918 as geometric shapes

Circle

Radius = n

Diameter	25795836
Circumference	81040008.870807
Area	5.2262369456747E+14

Sphere

Radius = n

Volume	8.9876767431844E+21
Surface area	2.0904947782699E+15
Circumference	81040008.870807

Square

Length = n

Perimeter	51591672
Area	166356288734724
Diagonal	18240410.561976

Cube

Length = n

Surface area	998137732408344
Volume	2.1456497708848E+21
Space diagonal	22339849.287857

Equilateral Triangle

Length = n

Perimeter	38693754
Area	72034386061785
Altitude	11169924.643929

Triangular Pyramid

Length = n

Surface area	72034386061785
Volume	2.5286725050733E+20
Height	6080136.853992