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

13187891 (number)

13187891 is an odd 8-digits composite number following 13187890 and preceding 13187892. In scientific notation, it is written as 1.3187891 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 13071072 positive integers (up to 13187891) that are relatively prime to 13187891.

Interesting facts

13187891 has 4 divisors, whose sum is 13304712
The reverse of 13187891 is 19878131
Previous prime number is 113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	thirteen million one hundred eighty-seven thousand eight hundred ninety-one

Notation

Scientific notation	1.3187891 × 10^7
Engineering notation	1.3187891 × 10^6

Prime Factorization of 13187891

Prime Factorization 113 × 116707

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	13187891	Product of the distinct prime numbers

The prime factorization of 13187891 is 113 × 116707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 60, 41, 213, 855, 8544, 5648, 68830, 59808, 189397, 277645, 1111024, 963835, 48452485, 27233233, 487798681, 15841082, 4142429929, 2108169851

Basic calculations (n = 13187891)

Multiplication

n×y

n×2	26375782
n×3	39563673
n×4	52751564
n×5	65939455

Division

n÷y

n÷2	6593945.5
n÷3	4395963.6666667
n÷3	3296972.75
n÷5	2637578.2

Exponentiation

n^y

n²	173920469027881
n³	2.2936441882086E+21
n⁴	3.0248329546878E+28
n⁵	3.9891167299631E+35

Nth Root

^y√n

²√n	3631.5135962846
³√n	236.26086136529
⁴√n	60.2620410896
⁵√n	26.548199331796

Divisors of 13187891

1, 113, 116707, 13187891

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	-13187890	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 13187891 can be divided by 4 positive divisors. The sum of these divisors (counting 13187891) is 1, the average is 0.25.

Base conversion 13187891

Base	System	Value
2	Binary	110010010011101100110011
3	Ternary	220211000101102
4	Quaternary	302103230303
5	Quinary	11334003031
6	Senary	1150355015
8	Octal	62235463
10	Decimal	13187891
12	Duodecimal	44bba6b
16	Hexadecimal	c93b33
20	Vigesimal	4289eb
36	Base36	7unub

Cryptographic Hash Functions

md5	1a509db2565252b69c7803ba8e2face4
sha1	3071aebe6328c3675215b9139bbec1ce8e7db36d
sha256	ab9d9f080ac0b4d07afbc381ad5ea2d442d5478854a530984d69610b70988063
sha512	80694d90aca7d820c69e5ce2074cf8e3080c9260f575ff1ffb022d8a1b5ecc3653ed67d1f80bb58bc23f916be6a353d94ccf23f8fdbfff7c8e5941f319c30f08
ripemd-160	0b85114e589a3ef0f5c7dd3e80780566693b94b8

13187891 as geometric shapes

Circle

Radius = n

Diameter	26375782
Circumference	82861962.963886
Area	5.4638726780688E+14

Sphere

Radius = n

Volume	9.6075943088333E+21
Surface area	2.1855490712275E+15
Circumference	82861962.963886

Square

Length = n

Perimeter	52751564
Area	173920469027881
Diagonal	18650494.311298

Cube

Length = n

Surface area	1043522814167286
Volume	2.2936441882086E+21
Space diagonal	22842097.25668

Equilateral Triangle

Length = n

Perimeter	39563673
Area	75309772208125
Altitude	11421048.62834

Triangular Pyramid

Length = n

Surface area	75309772208125
Volume	2.703085598519E+20
Height	6216831.4370994