28433991 (number)

28433991 is an odd 8-digits composite number following 28433990 and preceding 28433992. In scientific notation, it is written as 2.8433991 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 18645120 positive integers (up to 28433991) that are relatively prime to 28433991.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-three thousand nine hundred ninety-one

Notation

Scientific notation 2.8433991 × 10^7
Engineering notation 2.8433991 × 10^6

Prime Factorization of 28433991

Prime Factorization 3 × 61 × 155377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28433991
Product of the distinct prime numbers

The prime factorization of 28433991 is 3 × 61 × 155377. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28433991)

Multiplication

n×y
n×2 56867982
n×3 85301973
n×4 113735964
n×5 142169955

Division

n÷y
n÷2 14216995.5
n÷3 9477997
n÷3 7108497.75
n÷5 5686798.2

Exponentiation

ny
n2 808491844188081
n3 2.2988649821217E+22
n4 6.5365906211864E+29
n5 1.858613588935E+37

Nth Root

y√n
2√n 5332.3532328607
3√n 305.2197323697
4√n 73.02296373649
5√n 30.957619948903

Divisors of 28433991

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 -28433990
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 28433991 can be divided by 8 positive divisors. The sum of these divisors (counting 28433991) is 1, the average is 0.125.

Base conversion 28433991

Base System Value
2 Binary 1101100011101111001000111
3 Ternary 1222111121002210
4 Quaternary 1230131321013
5 Quinary 24234341431
6 Senary 2453234503
8 Octal 154357107
10 Decimal 28433991
12 Duodecimal 9632a33
16 Hexadecimal 1b1de47
20 Vigesimal 8he4jb
36 Base36 gxft3

Cryptographic Hash Functions

md5 f3e1292a5ab5b6e9ad84be439d8eb515
sha1 667ef173331b8f0794f6ad76e9d519d289c604f2
sha256 eee292e61bda542cf9fc8b6164ffa4317e8895237d854bb63da530630c1782d2
sha512 551fc5ed64c36c4d123a0596642a525ca62c40e6a86c25a8087968744642d5f08dda26e6ed33a770cbb4b971bf5670667dcca1768e73887580eba23348305c07
ripemd-160 ef48c2b3c171fa4cc8c738adbbdff869341c64ca

28433991 as geometric shapes

Circle

Radius = n
Diameter 56867982
Circumference 178656034.47568
Area 2.5399520381885E+15

Sphere

Radius = n
Volume 9.6294631192379E+22
Surface area 1.0159808152754E+16
Circumference 178656034.47568

Square

Length = n
Perimeter 113735964
Area 808491844188081
Diagonal 40211735.704595

Cube

Length = n
Surface area 4850951065128486
Volume 2.2988649821217E+22
Space diagonal 49249117.073956

Equilateral Triangle

Length = n
Perimeter 85301973
Area 3.500872379097E+14
Altitude 24624558.536978

Triangular Pyramid

Length = n
Surface area 3.500872379097E+14
Volume 2.7092383631509E+21
Height 13403911.901532