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

12991645 (number)

12991645 is an odd 8-digits composite number following 12991644 and preceding 12991646. In scientific notation, it is written as 1.2991645 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10378704 positive integers (up to 12991645) that are relatively prime to 12991645.

Interesting facts

12991645 has 8 divisors, whose sum is 15611904
The reverse of 12991645 is 54619921
Previous prime number is 967

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twelve million nine hundred ninety-one thousand six hundred forty-five

Notation

Scientific notation	1.2991645 × 10^7
Engineering notation	1.2991645 × 10^6

Prime Factorization of 12991645

Prime Factorization 5 × 967 × 2687

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12991645	Product of the distinct prime numbers

The prime factorization of 12991645 is 5 × 967 × 2687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 40, 26, 689, 338, 4185, 6329, 32711, 15180, 911524, 578577, 797699, 8922217, 94687768, 31396199, 322440023, 412923126, 9264698986, 8602496721

Basic calculations (n = 12991645)

Multiplication

n×y

n×2	25983290
n×3	38974935
n×4	51966580
n×5	64958225

Division

n÷y

n÷2	6495822.5
n÷3	4330548.3333333
n÷3	3247911.25
n÷5	2598329

Exponentiation

n^y

n²	168782839806025
n³	2.1927667368517E+21
n⁴	2.8487647012986E+28
n⁵	3.7010139687803E+35

Nth Root

^y√n

²√n	3604.3924592086
³√n	235.08308515293
⁴√n	60.03659266821
⁵√n	26.468713246796

Divisors of 12991645

1, 5, 967, 2687, 4835, 13435, 2598329, 12991645

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	-12991644	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 12991645 can be divided by 8 positive divisors. The sum of these divisors (counting 12991645) is 1, the average is 0.125.

Base conversion 12991645

Base	System	Value
2	Binary	110001100011110010011101
3	Ternary	220110001012001
4	Quaternary	301203302131
5	Quinary	11311213040
6	Senary	1142242301
8	Octal	61436235
10	Decimal	12991645
12	Duodecimal	4426391
16	Hexadecimal	c63c9d
20	Vigesimal	413j25
36	Base36	7qgf1

Cryptographic Hash Functions

md5	a0d1f458df63a13ae8dc765607ee4b11
sha1	66979d2c3060ec707066e5bf0819fc382bd558b3
sha256	73fe31c10b73b9c5222bacf0da0992a3ec2ae5533cd92a59f96dfdc917528710
sha512	0da126ac1eeee4ccf62283cc7c75b20416b521888edcc4ef0e2a5b15e0c194b1554da93fb01ea0ef7421a33abc467bc25ba4cb90a467bf77cefb5750e4a9aaee
ripemd-160	001e8d22f8de38c3616234f83618308e7dd6f898

12991645 as geometric shapes

Circle

Radius = n

Diameter	25983290
Circumference	81628912.980093
Area	5.3024692958663E+14

Sphere

Radius = n

Volume	9.185039828706E+21
Surface area	2.1209877183465E+15
Circumference	81628912.980093

Square

Length = n

Perimeter	51966580
Area	168782839806025
Diagonal	18372960.556537

Cube

Length = n

Surface area	1012697038836150
Volume	2.1927667368517E+21
Space diagonal	22502189.213898

Equilateral Triangle

Length = n

Perimeter	38974935
Area	73085113497449
Altitude	11251094.606949

Triangular Pyramid

Length = n

Surface area	73085113497449
Volume	2.5842003819803E+20
Height	6124320.1855122