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

12981091 (number)

12981091 is an odd 8-digits composite number following 12981090 and preceding 12981092. In scientific notation, it is written as 1.2981091 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 12957472 positive integers (up to 12981091) that are relatively prime to 12981091.

Interesting facts

12981091 has 4 divisors, whose sum is 13004712
The reverse of 12981091 is 19018921
Previous prime number is 563

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	1.2981091 × 10^7
Engineering notation	1.2981091 × 10^6

Prime Factorization of 12981091

Prime Factorization 563 × 23057

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981091	Product of the distinct prime numbers

The prime factorization of 12981091 is 563 × 23057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 28, 9, 744, 111, 2150, 4728, 87821, 81376, 755539, 166165, 1954673, 1141259, 41355825, 81675365, 475254019, 355985084, 7026366295, 4012334193

Basic calculations (n = 12981091)

Multiplication

n×y

n×2	25962182
n×3	38943273
n×4	51924364
n×5	64905455

Division

n÷y

n÷2	6490545.5
n÷3	4327030.3333333
n÷3	3245272.75
n÷5	2596218.2

Exponentiation

n^y

n²	168508723550281
n³	2.1874270747E+21
n⁴	2.8395189912545E+28
n⁵	3.6860054421703E+35

Nth Root

^y√n

²√n	3602.9281147422
³√n	235.01940989521
⁴√n	60.02439599648
⁵√n	26.464411380202

Divisors of 12981091

1, 563, 23057, 12981091

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12981090	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981091 can be divided by 4 positive divisors. The sum of these divisors (counting 12981091) is 1, the average is 0.25.

Base conversion 12981091

Base	System	Value
2	Binary	110001100001001101100011
3	Ternary	220102111201011
4	Quaternary	301201031203
5	Quinary	11310343331
6	Senary	1142121351
8	Octal	61411543
10	Decimal	12981091
12	Duodecimal	4420257
16	Hexadecimal	c61363
20	Vigesimal	412ceb
36	Base36	7q89v

Cryptographic Hash Functions

md5	506b50872822ed6a7e204c0f32d2ee15
sha1	7948bb7d5346938936a106cdf8b49851b30b4a23
sha256	c71eb7a0b554e3526ab579a5a345c375c389a146ded19d8da297884159d9a212
sha512	89d4dd4b1eee0d82a02ac78e090f766b45bb86fb164fc813394b1198e846890171ffb80d7bdad0d68565fa43e0c100a662a225e791fef130b71115419f6b08ab
ripemd-160	53683dfa5ad6859ed032939a3eabf8340bea8191

12981091 as geometric shapes

Circle

Radius = n

Diameter	25962182
Circumference	81562600.242361
Area	5.2938576797136E+14

Sphere

Radius = n

Volume	9.1626731041881E+21
Surface area	2.1175430718854E+15
Circumference	81562600.242361

Square

Length = n

Perimeter	51924364
Area	168508723550281
Diagonal	18358034.946599

Cube

Length = n

Surface area	1011052341301686
Volume	2.1874270747E+21
Space diagonal	22483909.149675

Equilateral Triangle

Length = n

Perimeter	38943273
Area	72966417676916
Altitude	11241954.574838

Triangular Pyramid

Length = n

Surface area	72966417676916
Volume	2.5779075297858E+20
Height	6119344.9821998