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

28165891 (number)

28165891 is an odd 8-digits composite number following 28165890 and preceding 28165892. In scientific notation, it is written as 2.8165891 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 25999272 positive integers (up to 28165891) that are relatively prime to 28165891.

Interesting facts

28165891 has 4 divisors, whose sum is 30332512
The reverse of 28165891 is 19856182
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-eight million one hundred sixty-five thousand eight hundred ninety-one

Notation

Scientific notation	2.8165891 × 10^7
Engineering notation	2.8165891 × 10^6

Prime Factorization of 28165891

Prime Factorization 13 × 2166607

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28165891	Product of the distinct prime numbers

The prime factorization of 28165891 is 13 × 2166607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 72, 53, 759, 391, 9215, 1067, 90621, 31904, 231845, 804046, 4685269, 7914013, 51196431, 23046674, 73047427, 797100222, 8826937134, 1187843039

Basic calculations (n = 28165891)

Multiplication

n×y

n×2	56331782
n×3	84497673
n×4	112663564
n×5	140829455

Division

n÷y

n÷2	14082945.5
n÷3	9388630.3333333
n÷3	7041472.75
n÷5	5633178.2

Exponentiation

n^y

n²	793317415823881
n³	2.2344491862497E+22
n⁴	6.2935252224948E+29
n⁵	1.7726274542254E+37

Nth Root

^y√n

²√n	5307.1546990831
³√n	304.25741052653
⁴√n	72.850220995431
⁵√n	30.89901952951

Divisors of 28165891

1, 13, 2166607, 28165891

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	-28165890	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 28165891 can be divided by 4 positive divisors. The sum of these divisors (counting 28165891) is 1, the average is 0.25.

Base conversion 28165891

Base	System	Value
2	Binary	1101011011100011100000011
3	Ternary	1221222222100011
4	Quaternary	1223130130003
5	Quinary	24202302031
6	Senary	2443405351
8	Octal	153343403
10	Decimal	28165891
12	Duodecimal	9523857
16	Hexadecimal	1adc703
20	Vigesimal	8g0eeb
36	Base36	groxv

Cryptographic Hash Functions

md5	e5ac9e9d783db28cac0fcbced04103cf
sha1	3dad0d32a33441fa7e96a9e9733736fdbd4de807
sha256	2c50f8dd9626c765ad6f1d1f45c77303ee5d5c8d3bee0ef8f9c3902177032636
sha512	831baca1bebc73c2d6bcd90b3a820f9f474ef4706c14025a118732bdb429ab0e2737a0ad36dde3e5a749d13649d177210754318867d9e8afe3f85111c13e28c8
ripemd-160	af0540ea77939d08366c5842d041c54ebb206d11

28165891 as geometric shapes

Circle

Radius = n

Diameter	56331782
Circumference	176971512.49482
Area	2.4922801655171E+15

Sphere

Radius = n

Volume	9.3596388644557E+22
Surface area	9.9691206620686E+15
Circumference	176971512.49482

Square

Length = n

Perimeter	112663564
Area	793317415823881
Diagonal	39832585.048522

Cube

Length = n

Surface area	4759904494943286
Volume	2.2344491862497E+22
Space diagonal	48784754.252447

Equilateral Triangle

Length = n

Perimeter	84497673
Area	3.4351651768405E+14
Altitude	24392377.126223

Triangular Pyramid

Length = n

Surface area	3.4351651768405E+14
Volume	2.6333236196899E+21
Height	13277528.349507