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

12981908 (number)

12981908 is an even 8-digits composite number following 12981907 and preceding 12981909. In scientific notation, it is written as 1.2981908 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 6267072 positive integers (up to 12981908) that are relatively prime to 12981908.

Interesting facts

12981908 has 12 divisors, whose sum is 23501940
The reverse of 12981908 is 80918921
Previous prime number is 29

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	1.2981908 × 10^7
Engineering notation	1.2981908 × 10^6

Prime Factorization of 12981908

Prime Factorization 2 × 2 × 29 × 111913

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6490954	Product of the distinct prime numbers

The prime factorization of 12981908 is 2 × 2 × 29 × 111913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 31, 93, 929, 195, 8869, 3647, 79933, 68596, 790663, 553833, 3621421, 2850240, 92326937, 21956107, 382350498, 657775087, 5796557527, 5791674734

Basic calculations (n = 12981908)

Multiplication

n×y

n×2	25963816
n×3	38945724
n×4	51927632
n×5	64909540

Division

n÷y

n÷2	6490954
n÷3	4327302.6666667
n÷3	3245477
n÷5	2596381.6

Exponentiation

n^y

n²	168529935320464
n³	2.1878401155762E+21
n⁴	2.840233909912E+28
n⁵	3.6871655316958E+35

Nth Root

^y√n

²√n	3603.0414929612
³√n	235.02434031874
⁴√n	60.025340423534
⁵√n	26.464744493648

Divisors of 12981908

1, 2, 4, 29, 58, 116, 111913, 223826, 447652, 3245477, 6490954, 12981908

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12981907	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981908 can be divided by 12 positive divisors. The sum of these divisors (counting 12981908) is 1, the average is 0.083333333333333.

Base conversion 12981908

Base	System	Value
2	Binary	110001100001011010010100
3	Ternary	220102112211102
4	Quaternary	301201122110
5	Quinary	11310410113
6	Senary	1142125232
8	Octal	61413224
10	Decimal	12981908
12	Duodecimal	4420818
16	Hexadecimal	c61694
20	Vigesimal	412ef8
36	Base36	7q8wk

Cryptographic Hash Functions

md5	02a88b8b209e4b42b09141c740d0ee23
sha1	b60fbb702456a1722ca12a487af5eaea9e08c9fe
sha256	13f7fef48f5b9372c7d94097661dda69ca42c2a91db4b82e6a8bb06e93620550
sha512	6ae847b10b0ccf2df541d5555f43c98057dc0f70b27fb2433025c1fd627f266709b37e074ad462a2ef6d229663eeaa2dda3edc384c9c51422379122c92a3ca41
ripemd-160	2e2efe5d5be82cc076e7e876c6b75630b189d915

12981908 as geometric shapes

Circle

Radius = n

Diameter	25963816
Circumference	81567733.604757
Area	5.2945240671273E+14

Sphere

Radius = n

Volume	9.1644032457644E+21
Surface area	2.1178096268509E+15
Circumference	81567733.604757

Square

Length = n

Perimeter	51927632
Area	168529935320464
Diagonal	18359190.35908

Cube

Length = n

Surface area	1011179611922784
Volume	2.1878401155762E+21
Space diagonal	22485324.235185

Equilateral Triangle

Length = n

Perimeter	38945724
Area	72975602642835
Altitude	11242662.117592

Triangular Pyramid

Length = n

Surface area	72975602642835
Volume	2.5783943031265E+20
Height	6119730.1196933