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

12981961 (number)

12981961 is an odd 8-digits prime number following 12981960 and preceding 12981962. In scientific notation, it is written as 1.2981961 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 12981960 positive integers (up to 12981961) that are relatively prime to 12981961.

Interesting facts

12981961 has 2 divisors, whose sum is 12981962
The reverse of 12981961 is 16918921
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	1.2981961 × 10^7
Engineering notation	1.2981961 × 10^6

Prime Factorization of 12981961

Prime Factorization 12981961

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12981961	Product of the distinct prime numbers

The prime factorization of 12981961 is 12981961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 6, 41, 27, 698, 275, 1018, 1798, 62341, 88975, 367653, 64093, 9077900, 6516166, 55812665, 52097373, 969640776, 384165509, 5466946163, 1176031025

Basic calculations (n = 12981961)

Multiplication

n×y

n×2	25963922
n×3	38945883
n×4	51927844
n×5	64909805

Division

n÷y

n÷2	6490980.5
n÷3	4327320.3333333
n÷3	3245490.25
n÷5	2596392.2

Exponentiation

n^y

n²	168531311405521
n³	2.1878669119453E+21
n⁴	2.8402802924065E+28
n⁵	3.6872407985089E+35

Nth Root

^y√n

²√n	3603.0488478509
³√n	235.02466015547
⁴√n	60.025401688376
⁵√n	26.464766102631

Divisors of 12981961

1, 12981961

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12981962	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6490981	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3603.0489866223	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998459401	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981961 can be divided by 2 positive divisors. The sum of these divisors (counting 12981961) is 12981962, the average is 6490981.

Base conversion 12981961

Base	System	Value
2	Binary	110001100001011011001001
3	Ternary	220102112220101
4	Quaternary	301201123021
5	Quinary	11310410321
6	Senary	1142125401
8	Octal	61413311
10	Decimal	12981961
12	Duodecimal	4420861
16	Hexadecimal	c616c9
20	Vigesimal	412ei1
36	Base36	7q8y1

Cryptographic Hash Functions

md5	9b1ab32ce809d6dce714f846935dea20
sha1	e4aea7ec3cabc0e3ca67124a354e56e24ad10de8
sha256	5884a009941e2e81f54054cf6a95b39365324d1e7ce03d1f691001ab517df536
sha512	534dda96b266d86d4b3832df1a4fc2ad33f17cd7207c266208af1ec5429805f86b093c68cbfd3da0365acc1902c7759d2bfd83cdbeb7cd56b0a5932727cec50f
ripemd-160	4d85dcb8dac4ae0c69d18cadebfde33b238bd02f

12981961 as geometric shapes

Circle

Radius = n

Diameter	25963922
Circumference	81568066.613578
Area	5.2945672981144E+14

Sphere

Radius = n

Volume	9.1645154901328E+21
Surface area	2.1178269192458E+15
Circumference	81568066.613578

Square

Length = n

Perimeter	51927844
Area	168531311405521
Diagonal	18359265.312399

Cube

Length = n

Surface area	1011187868433126
Volume	2.1878669119453E+21
Space diagonal	22485416.033878

Equilateral Triangle

Length = n

Perimeter	38945883
Area	72976198505144
Altitude	11242708.016939

Triangular Pyramid

Length = n

Surface area	72976198505144
Volume	2.5784258829504E+20
Height	6119755.1041329