28161288 (number)

28161288 is an even 8-digits composite number following 28161287 and preceding 28161289. In scientific notation, it is written as 2.8161288 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 9266400 positive integers (up to 28161288) that are relatively prime to 28161288.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand two hundred eighty-eight

Notation

Scientific notation 2.8161288 × 10^7
Engineering notation 2.8161288 × 10^6

Prime Factorization of 28161288

Prime Factorization 2 × 2 × 2 × 9 × 79 × 4951

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7040322
Product of the distinct prime numbers

The prime factorization of 28161288 is 2 × 2 × 2 × 9 × 79 × 4951. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 4, 1, 15, 685, 50, 3128, 893, 5778, 70347, 236336, 367755, 761367, 4387022, 88921889, 27297487, 380673481, 501819049, 6384047013, 2268132376

Basic calculations (n = 28161288)

Multiplication

n×y
n×2 56322576
n×3 84483864
n×4 112645152
n×5 140806440

Division

n÷y
n÷2 14080644
n÷3 9387096
n÷3 7040322
n÷5 5632257.6

Exponentiation

ny
n2 793058141818944
n3 2.2333538732508E+22
n4 6.2894121630532E+29
n5 1.7711794727444E+37

Nth Root

y√n
2√n 5306.7210214972
3√n 304.24083523979
4√n 72.847244433109
5√n 30.898009531387

Divisors of 28161288

1, 2, 4, 8, 9, 18, 36, 72, 79, 158, 316, 632, 711, 1422, 2844, 4951, 5688, 9902, 19804, 39608, 44559, 89118, 178236, 356472, 391129, 782258, 1564516, 3129032, 3520161, 7040322, 14080644, 28161288

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28161287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161288 can be divided by 32 positive divisors. The sum of these divisors (counting 28161288) is 1, the average is 0.03125.

Base conversion 28161288

Base System Value
2 Binary 1101011011011010100001000
3 Ternary 1221222202000200
4 Quaternary 1223123110020
5 Quinary 24202130123
6 Senary 2443332200
8 Octal 153332410
10 Decimal 28161288
12 Duodecimal 9521060
16 Hexadecimal 1adb508
20 Vigesimal 8g0348
36 Base36 grle0

Cryptographic Hash Functions

md5 310a90de80862222f79b52f22ee9e9ab
sha1 a5ab679aaced1c560cfcb610396e57c5a67d8bbe
sha256 d297e2cb848dc09af0bb64e5ca2b46ed21fd19bb2ba7ea21450af13e97fb9a7e
sha512 744abe8513b58754c420c63513c605f8c6028a33956ee0282b1eca4fe68337aa81d9fcd2ed7cf40b49c15f435c356c514807230df9e4c2794eaff9ec1fe9aa72
ripemd-160 544453274702535426156c264ad0155d56c8a2e3

28161288 as geometric shapes

Circle

Radius = n
Diameter 56322576
Circumference 176942590.99285
Area 2.491465632208E+15

Sphere

Radius = n
Volume 9.3550508280947E+22
Surface area 9.9658625288319E+15
Circumference 176942590.99285

Square

Length = n
Perimeter 112645152
Area 793058141818944
Diagonal 39826075.423495

Cube

Length = n
Surface area 4758348850913664
Volume 2.2333538732508E+22
Space diagonal 48776781.62258

Equilateral Triangle

Length = n
Perimeter 84483864
Area 3.4340424874664E+14
Altitude 24388390.81129

Triangular Pyramid

Length = n
Surface area 3.4340424874664E+14
Volume 2.6320327809415E+21
Height 13275358.474498