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.
28433991 has 8 divisors, whose sum is 38533744
The reverse of 28433991 is 19933482
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred thirty-three thousand nine hundred ninety-one
Scientific notation
2.8433991 × 10^7
Engineering notation
2.8433991 × 10^6
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.
7 , 7 , 89 , 59 , 54 , 931 , 1087 , 8632 , 24997 , 39294 , 12761 , 810170 , 2259244 , 3240485 , 6296325 , 69746009 , 196477563 , 15575926 , 5622075875 , 2844763220
n×2
56867982
n×3
85301973
n×4
113735964
n×5
142169955
n÷2
14216995.5
n÷3
9477997
n÷3
7108497.75
n÷5
5686798.2
n2
808491844188081
n3
2.2988649821217E+22
n4
6.5365906211864E+29
n5
1.858613588935E+37
2 √n
5332.3532328607
3 √n
305.2197323697
4 √n
73.02296373649
5 √n
30.957619948903
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
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
md5
f3e1292a5ab5b6e9ad84be439d8eb515
sha1
667ef173331b8f0794f6ad76e9d519d289c604f2
sha256
eee292e61bda542cf9fc8b6164ffa4317e8895237d854bb63da530630c1782d2
sha512
551fc5ed64c36c4d123a0596642a525ca62c40e6a86c25a8087968744642d5f08dda26e6ed33a770cbb4b971bf5670667dcca1768e73887580eba23348305c07
ripemd-160
ef48c2b3c171fa4cc8c738adbbdff869341c64ca
Diameter
56867982
Circumference
178656034.47568
Area
2.5399520381885E+15
Volume
9.6294631192379E+22
Surface area
1.0159808152754E+16
Circumference
178656034.47568
Perimeter
113735964
Area
808491844188081
Diagonal
40211735.704595
Surface area
4850951065128486
Volume
2.2988649821217E+22
Space diagonal
49249117.073956
Perimeter
85301973
Area
3.500872379097E+14
Altitude
24624558.536978
Surface area
3.500872379097E+14
Volume
2.7092383631509E+21
Height
13403911.901532