28910012 is an even 8-digits composite number following 28910011
and preceding 28910013 . In scientific notation, it is written as 2.8910012 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 14399520 positive integers (up to 28910012) that are relatively prime to 28910012.
28910012 has 12 divisors, whose sum is 50786736
The reverse of 28910012 is 21001982
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million nine hundred ten thousand twelve
Scientific notation
2.8910012 × 10^7
Engineering notation
2.8910012 × 10^6
Prime Factorization
2 × 2 × 263 × 27481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14455006
Product of the distinct prime numbers
The prime factorization of 28910012 is 2 × 2 × 263 × 27481.
Since it has a total of 4 prime factors.
1 , 8 , 13 , 76 , 439 , 362 , 410 , 7618 , 93128 , 81933 , 80129 , 953134 , 4713900 , 1464930 , 29633677 , 10108205 , 782102469 , 114692335 , 9539008208 , 4009215436
n×2
57820024
n×3
86730036
n×4
115640048
n×5
144550060
n÷2
14455006
n÷3
9636670.6666667
n÷3
7227503
n÷5
5782002.4
n2
835788793840144
n3
2.4162664059384E+22
n4
6.9854290790876E+29
n5
2.0194883850157E+37
2 √n
5376.8031394129
3 √n
306.91356980131
4 √n
73.32668777064
5 √n
31.060586669747
1 , 2 , 4 , 263 , 526 , 1052 , 27481 , 54962 , 109924 , 7227503 , 14455006 , 28910012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28910011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28910012 can be divided by 12 positive divisors.
The sum of these divisors (counting 28910012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110010010000110111100
3
Ternary
2000101210002012
4
Quaternary
1232102012330
5
Quinary
24400110022
6
Senary
2511350352
8
Octal
156220674
10
Decimal
28910012
12
Duodecimal
98223b8
16
Hexadecimal
1b921bc
20
Vigesimal
90df0c
36
Base36
h7n3w
md5
22330b1b23162d3f4d86f76d59ca95f0
sha1
07a9520a74153fcf5e1852a408ecf48417179468
sha256
6f1b131a27dec80ef86732fd16544fa71b645db08b852041b8e1ae381dc62c63
sha512
c3ef9be286bc35540c88be3627df6202447d30a1c191bb5dda64cff692da613335c73512b03d193cd7ff588faab8429c8701e666814e2febb2bcee81a2f65dda
ripemd-160
d105495c1ed460ead61ee26e182f41bbd3fae952
Diameter
57820024
Circumference
181646962.62879
Area
2.6257079346809E+15
Volume
1.0121233053349E+23
Surface area
1.0502831738723E+16
Circumference
181646962.62879
Perimeter
115640048
Area
835788793840144
Diagonal
40884931.058769
Surface area
5014732763040864
Volume
2.4162664059384E+22
Space diagonal
50073609.631426
Perimeter
86730036
Area
3.6190716383196E+14
Altitude
25036804.815713
Surface area
3.6190716383196E+14
Volume
2.8475972679872E+21
Height
13628310.352923