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

12981921 (number)

12981921 is an odd 8-digits composite number following 12981920 and preceding 12981922. In scientific notation, it is written as 1.2981921 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8198424 positive integers (up to 12981921) that are relatively prime to 12981921.

Interesting facts

12981921 has 8 divisors, whose sum is 13906080
The reverse of 12981921 is 12918921
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	1.2981921 × 10^7
Engineering notation	1.2981921 × 10^6

Prime Factorization of 12981921

Prime Factorization 57 × 19 × 11987

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12981921	Product of the distinct prime numbers

The prime factorization of 12981921 is 57 × 19 × 11987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 13, 44, 530, 335, 484, 2018, 87485, 84732, 5406, 981557, 3889613, 1860354, 58918206, 79804669, 595098687, 600545734, 3266315463, 95936499

Basic calculations (n = 12981921)

Multiplication

n×y

n×2	25963842
n×3	38945763
n×4	51927684
n×5	64909605

Division

n÷y

n÷2	6490960.5
n÷3	4327307
n÷3	3245480.25
n÷5	2596384.2

Exponentiation

n^y

n²	168530272850241
n³	2.1878466882503E+21
n⁴	2.8402452866977E+28
n⁵	3.6871839932531E+35

Nth Root

^y√n

²√n	3603.0432969921
³√n	235.02441876934
⁴√n	60.025355450777
⁵√n	26.464749793971

Divisors of 12981921

1, 19, 57, 1083, 11987, 227753, 683259, 12981921

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	-12981920	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 12981921 can be divided by 8 positive divisors. The sum of these divisors (counting 12981921) is 1, the average is 0.125.

Base conversion 12981921

Base	System	Value
2	Binary	110001100001011010100001
3	Ternary	220102112211220
4	Quaternary	301201122201
5	Quinary	11310410141
6	Senary	1142125253
8	Octal	61413241
10	Decimal	12981921
12	Duodecimal	4420829
16	Hexadecimal	c616a1
20	Vigesimal	412eg1
36	Base36	7q8wx

Cryptographic Hash Functions

md5	61283faea801af3299eb29ab1ef26f3f
sha1	b37c8fd7cb2d465683e334405c586f783efbf66c
sha256	f44fe9aa41d01af63cddde773c50aafab1e8ac54ac305f6e1e9b8ff28b299ff3
sha512	f59236a38980728491bf9deb2e797356039f9578fd44360b6b719b73dd39aaaa5069b20445d677289387c0d88cf973441384b4e5401c17f868a60fac2a20c193
ripemd-160	f90f659a2997789e960171fb0a8a723abfb4db31

12981921 as geometric shapes

Circle

Radius = n

Diameter	25963842
Circumference	81567815.286166
Area	5.294534670938E+14

Sphere

Radius = n

Volume	9.1644307773171E+21
Surface area	2.1178138683752E+15
Circumference	81567815.286166

Square

Length = n

Perimeter	51927684
Area	168530272850241
Diagonal	18359208.743856

Cube

Length = n

Surface area	1011181637101446
Volume	2.1878466882503E+21
Space diagonal	22485346.751845

Equilateral Triangle

Length = n

Perimeter	38945763
Area	72975748797516
Altitude	11242673.375923

Triangular Pyramid

Length = n

Surface area	72975748797516
Volume	2.5784020490972E+20
Height	6119736.247952