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

13128891 (number)

13128891 is an odd 8-digits composite number following 13128890 and preceding 13128892. In scientific notation, it is written as 1.3128891 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8741640 positive integers (up to 13128891) that are relatively prime to 13128891.

Interesting facts

13128891 has 8 divisors, whose sum is 17527104
The reverse of 13128891 is 19882131
Previous prime number is 971

Basic properties

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

Name

Name	thirteen million one hundred twenty-eight thousand eight hundred ninety-one

Notation

Scientific notation	1.3128891 × 10^7
Engineering notation	1.3128891 × 10^6

Prime Factorization of 13128891

Prime Factorization 3 × 971 × 4507

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	13128891	Product of the distinct prime numbers

The prime factorization of 13128891 is 3 × 971 × 4507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 94, 81, 733, 558, 8037, 2441, 51785, 18612, 438284, 844777, 4135795, 9119593, 97946595, 7303745, 697932429, 940590050, 7604167329, 6770600641

Basic calculations (n = 13128891)

Multiplication

n×y

n×2	26257782
n×3	39386673
n×4	52515564
n×5	65644455

Division

n÷y

n÷2	6564445.5
n÷3	4376297
n÷3	3282222.75
n÷5	2625778.2

Exponentiation

n^y

n²	172367778889881
n³	2.2629977809573E+21
n⁴	2.9710651199431E+28
n⁵	3.9006790113635E+35

Nth Root

^y√n

²√n	3623.3811557715
³√n	235.90800661405
⁴√n	60.194527623128
⁵√n	26.524402436411

Divisors of 13128891

1, 3, 971, 2913, 4507, 13521, 4376297, 13128891

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	-13128890	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 13128891 can be divided by 8 positive divisors. The sum of these divisors (counting 13128891) is 1, the average is 0.125.

Base conversion 13128891

Base	System	Value
2	Binary	110010000101010010111011
3	Ternary	220201000110020
4	Quaternary	302011102323
5	Quinary	11330111031
6	Senary	1145221523
8	Octal	62052273
10	Decimal	13128891
12	Duodecimal	44918a3
16	Hexadecimal	c854bb
20	Vigesimal	42124b
36	Base36	7tebf

Cryptographic Hash Functions

md5	eb20aea1ea09413e1f87a449e7c7a248
sha1	ba7d0b22632fe3818eec2295005c658f8b375eed
sha256	4ae5968365b8b3a530dc09da0275805d0f1f6239509cea9f5057726a7a37510f
sha512	c98754158598431878dfbcf1c907689238fa28e1030bc4aefd8f891792e60cf41bf6bb09552724c5525574b2669e5385fbcc50167cefbfd2bb81f1d0048ba23f
ripemd-160	445f3c4ed3db8c756d22734543372715cdf24b7f

13128891 as geometric shapes

Circle

Radius = n

Diameter	26257782
Circumference	82491255.030762
Area	5.4150934787604E+14

Sphere

Radius = n

Volume	9.4792229383275E+21
Surface area	2.1660373915042E+15
Circumference	82491255.030762

Square

Length = n

Perimeter	52515564
Area	172367778889881
Diagonal	18567055.711118

Cube

Length = n

Surface area	1034206673339286
Volume	2.2629977809573E+21
Space diagonal	22739906.259034

Equilateral Triangle

Length = n

Perimeter	39386673
Area	74637437656268
Altitude	11369953.129517

Triangular Pyramid

Length = n

Surface area	74637437656268
Volume	2.6669684612084E+20
Height	6189018.5703727