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

12991605 (number)

12991605 is an odd 8-digits composite number following 12991604 and preceding 12991606. In scientific notation, it is written as 1.2991605 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6298880 positive integers (up to 12991605) that are relatively prime to 12991605.

Interesting facts

12991605 has 8 divisors, whose sum is 15117696
The reverse of 12991605 is 50619921
Previous prime number is 11

Basic properties

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

Name

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

Notation

Scientific notation	1.2991605 × 10^7
Engineering notation	1.2991605 × 10^6

Prime Factorization of 12991605

Prime Factorization 15 × 11 × 78737

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12991605	Product of the distinct prime numbers

The prime factorization of 12991605 is 15 × 11 × 78737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 94, 39, 910, 395, 5935, 6945, 17033, 78366, 480472, 600419, 720220, 4664592, 81781875, 69823577, 708098559, 722574268, 3045788066, 5718401498

Basic calculations (n = 12991605)

Multiplication

n×y

n×2	25983210
n×3	38974815
n×4	51966420
n×5	64958025

Division

n÷y

n÷2	6495802.5
n÷3	4330535
n÷3	3247901.25
n÷5	2598321

Exponentiation

n^y

n²	168781800476025
n³	2.1927464829733E+21
n⁴	2.8487296171929E+28
n⁵	3.7009569938371E+35

Nth Root

^y√n

²√n	3604.386910419
³√n	235.08284388676
⁴√n	60.036546456463
⁵√n	26.468696947862

Divisors of 12991605

1, 11, 15, 165, 78737, 866107, 1181055, 12991605

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	-12991604	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 12991605 can be divided by 8 positive divisors. The sum of these divisors (counting 12991605) is 1, the average is 0.125.

Base conversion 12991605

Base	System	Value
2	Binary	110001100011110001110101
3	Ternary	220110001010120
4	Quaternary	301203301311
5	Quinary	11311212410
6	Senary	1142242153
8	Octal	61436165
10	Decimal	12991605
12	Duodecimal	4426359
16	Hexadecimal	c63c75
20	Vigesimal	413j05
36	Base36	7qgdx

Cryptographic Hash Functions

md5	47640d0db4c987adc4951100984eb142
sha1	11f7c2b1e98f4c43aaad5b034f2890a1a3b19254
sha256	06a07570b8fef316d14bee57252d1a03760c11b129de175f1d28c3b17aa17708
sha512	6675d035fe968a63770cde0f3ff5ad65e019cc6269883342b8eaeb8a2d8db91899ce9ccdd2b12969f6b62502c0821cfdbc725f28199f0d4b4789dc1d0e633408
ripemd-160	1cdcbe79361709f4b6a0607d809e768b503561b7

12991605 as geometric shapes

Circle

Radius = n

Diameter	25983210
Circumference	81628661.652681
Area	5.3024366443514E+14

Sphere

Radius = n

Volume	9.1849549894585E+21
Surface area	2.1209746577406E+15
Circumference	81628661.652681

Square

Length = n

Perimeter	51966420
Area	168781800476025
Diagonal	18372903.987994

Cube

Length = n

Surface area	1012690802856150
Volume	2.1927464829733E+21
Space diagonal	22502119.931866

Equilateral Triangle

Length = n

Perimeter	38974815
Area	73084663454357
Altitude	11251059.965933

Triangular Pyramid

Length = n

Surface area	73084663454357
Volume	2.5841765125557E+20
Height	6124301.3293314