28491311 (number)

28491311 is an odd 8-digits composite number following 28491310 and preceding 28491312. In scientific notation, it is written as 2.8491311 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 27423648 positive integers (up to 28491311) that are relatively prime to 28491311.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand three hundred eleven

Notation

Scientific notation 2.8491311 × 10^7
Engineering notation 2.8491311 × 10^6

Prime Factorization of 28491311

Prime Factorization 29 × 367 × 2677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28491311
Product of the distinct prime numbers

The prime factorization of 28491311 is 29 × 367 × 2677. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491311)

Multiplication

n×y
n×2 56982622
n×3 85473933
n×4 113965244
n×5 142456555

Division

n÷y
n÷2 14245655.5
n÷3 9497103.6666667
n÷3 7122827.75
n÷5 5698262.2

Exponentiation

ny
n2 811754802498721
n3 2.3127958533735E+22
n4 6.5894585937974E+29
n5 1.877423141175E+37

Nth Root

y√n
2√n 5337.7252645673
3√n 305.42469189668
4√n 73.059737643707
5√n 30.970091371767

Divisors of 28491311

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 -28491310
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 28491311 can be divided by 8 positive divisors. The sum of these divisors (counting 28491311) is 1, the average is 0.125.

Base conversion 28491311

Base System Value
2 Binary 1101100101011111000101111
3 Ternary 1222121111201202
4 Quaternary 1230223320233
5 Quinary 24243210221
6 Senary 2454400115
8 Octal 154537057
10 Decimal 28491311
12 Duodecimal 966003b
16 Hexadecimal 1b2be2f
20 Vigesimal 8i185b
36 Base36 gyo1b

Cryptographic Hash Functions

md5 ea976d35139b6b5135ac1a889a87f066
sha1 1d95b947a29fe53c123c583a3b948c1287085a28
sha256 3efe5347e9fbfd46910ca21ab58957d2f1e0553224a8f7957d0a04419bec9232
sha512 cc774e7434261e7c91caca5244a9dace3b9c76076bf40c7fe038051cba08469941a04124b915531854475e224a47ab155868329d558cd18f344159c7330787e2
ripemd-160 9be871464e6369774116597dce053ed5b3b3f3ee

28491311 as geometric shapes

Circle

Radius = n
Diameter 56982622
Circumference 179016186.65748
Area 2.5502029240462E+15

Sphere

Radius = n
Volume 9.6878166162813E+22
Surface area 1.0200811696185E+16
Circumference 179016186.65748

Square

Length = n
Perimeter 113965244
Area 811754802498721
Diagonal 40292798.42599

Cube

Length = n
Surface area 4870528814992326
Volume 2.3127958533735E+22
Space diagonal 49348398.226246

Equilateral Triangle

Length = n
Perimeter 85473933
Area 3.5150014030396E+14
Altitude 24674199.113123

Triangular Pyramid

Length = n
Surface area 3.5150014030396E+14
Volume 2.7256560523675E+21
Height 13430932.808663