28291252 is an even 8-digits composite number following 28291251
and preceding 28291253 . In scientific notation, it is written as 2.8291252 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 18 positive divisors.
There are 12859440 positive integers (up to 28291252) that are relatively prime to 28291252.
28291252 has 18 divisors, whose sum is 54420674
The reverse of 28291252 is 25219282
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million two hundred ninety-one thousand two hundred fifty-two
Scientific notation
2.8291252 × 10^7
Engineering notation
2.8291252 × 10^6
Prime Factorization
2 × 2 × 11 × 11 × 58453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1285966
Product of the distinct prime numbers
The prime factorization of 28291252 is 2 × 2 × 11 × 11 × 58453.
Since it has a total of 5 prime factors.
7 , 8 , 51 , 86 , 39 , 380 , 4 , 5204 , 56262 , 47902 , 352313 , 2007 , 544822 , 114675 , 50295180 , 3338896 , 541435501 , 746490151 , 5029789456 , 924191462
n×2
56582504
n×3
84873756
n×4
113165008
n×5
141456260
n÷2
14145626
n÷3
9430417.3333333
n÷3
7072813
n÷5
5658250.4
n2
800394939727504
n3
2.2644174939356E+22
n4
6.4063205954139E+29
n5
1.8124283035765E+37
2 √n
5318.9521524451
3 √n
304.7081396862
4 √n
72.931146655219
5 √n
30.926475818436
1 , 2 , 4 , 11 , 22 , 44 , 121 , 242 , 484 , 58453 , 116906 , 233812 , 642983 , 1285966 , 2571932 , 7072813 , 14145626 , 28291252
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28291251
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291252 can be divided by 18 positive divisors.
The sum of these divisors (counting 28291252) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101011111011000010110100
3
Ternary
1222020100022011
4
Quaternary
1223323002310
5
Quinary
24220310002
6
Senary
2450214004
8
Octal
153730264
10
Decimal
28291252
12
Duodecimal
9584304
16
Hexadecimal
1afb0b4
20
Vigesimal
8gg82c
36
Base36
gudo4
md5
6b22364ce889101351eb92addcf31ffb
sha1
87ffaeb6f984987b0d2934271fd5387ae169b76b
sha256
2a1666236429d9080d3858880ba7e6036e833412ecd24d58f6712da0418476a2
sha512
19f1af8c1d39f29885cc37265bb5a5ed7373a4009d6f611466a11299dd4832f0ba7182fab9ae89cfb1888537a72f6b835c20cec8092e3f10fdd0b061608caaf4
ripemd-160
9ad97bf909b461d9b559a680daf6133de3b7e2a8
Diameter
56582504
Circumference
177759178.88812
Area
2.5145148626184E+15
Volume
9.4851698181442E+22
Surface area
1.0058059450473E+16
Circumference
177759178.88812
Perimeter
113165008
Area
800394939727504
Diagonal
40009872.274915
Surface area
4802369638365024
Volume
2.2644174939356E+22
Space diagonal
49001885.873735
Perimeter
84873756
Area
3.4658117543227E+14
Altitude
24500942.936867
Surface area
3.4658117543227E+14
Volume
2.6686416089988E+21
Height
13336624.091638