28911512 is an even 8-digits composite number following 28911511
and preceding 28911513 . In scientific notation, it is written as 2.8911512 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 12390624 positive integers (up to 28911512) that are relatively prime to 28911512.
28911512 has 16 divisors, whose sum is 61953360
The reverse of 28911512 is 21511982
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million nine hundred eleven thousand five hundred twelve
Scientific notation
2.8911512 × 10^7
Engineering notation
2.8911512 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 516277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7227878
Product of the distinct prime numbers
The prime factorization of 28911512 is 2 × 2 × 2 × 7 × 516277.
Since it has a total of 5 prime factors.
5 , 8 , 59 , 33 , 256 , 241 , 9966 , 6142 , 71737 , 14444 , 797027 , 837638 , 7232906 , 2629487 , 20016052 , 13057451 , 389298371 , 498631105 , 7342982853 , 6026794656
n×2
57823024
n×3
86734536
n×4
115646048
n×5
144557560
n÷2
14455756
n÷3
9637170.6666667
n÷3
7227878
n÷5
5782302.4
n2
835875526126144
n3
2.4166425304102E+22
n4
6.9868789517666E+29
n5
2.0200123465655E+37
2 √n
5376.9426256935
3 √n
306.91887779395
4 √n
73.327638893486
5 √n
31.060908979631
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 516277 , 1032554 , 2065108 , 3613939 , 4130216 , 7227878 , 14455756 , 28911512
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28911511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28911512 can be divided by 16 positive divisors.
The sum of these divisors (counting 28911512) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010010011110011000
3
Ternary
2000101212010202
4
Quaternary
1232102132120
5
Quinary
24400132022
6
Senary
2511401332
8
Octal
156223630
10
Decimal
28911512
12
Duodecimal
9823248
16
Hexadecimal
1b92798
20
Vigesimal
90difc
36
Base36
h7o9k
md5
eff20a788b4e9c3b0255423d5b7ee2d5
sha1
5b3e49a962c0cd8ba6b9600226f138fee0ed964c
sha256
c4d30efde50843f0bd9a10c6df0789353b89ceb077ce7510c7ca3e84f780f4bf
sha512
e7f5df60e0f0ab91ac381f13485ab9d8c48387c048ad3e7b650cc7bbcee44aa9b0ffa739128d783e9174c5df725d8e8fc91d14491a2a6f10d3146f12bd87b74d
ripemd-160
2a0c6c920bd456ba04f577dd04023d4ca8497a0b
Diameter
57823024
Circumference
181656387.40675
Area
2.6259804121934E+15
Volume
1.0122808559853E+23
Surface area
1.0503921648774E+16
Circumference
181656387.40675
Perimeter
115646048
Area
835875526126144
Diagonal
40887052.379112
Surface area
5015253156756864
Volume
2.4166425304102E+22
Space diagonal
50076207.707637
Perimeter
86734536
Area
3.6194472001346E+14
Altitude
25038103.853819
Surface area
3.6194472001346E+14
Volume
2.8480405349282E+21
Height
13629017.459704