28751490 is an even 8-digits composite number following 28751489
and preceding 28751491 . In scientific notation, it is written as 2.8751490 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 7666992 positive integers (up to 28751490) that are relatively prime to 28751490.
28751490 has 8 divisors, whose sum is 43447104
The reverse of 28751490 is 09415782
Previous prime number is 135
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million seven hundred fifty-one thousand four hundred ninety
Scientific notation
2.8751490 × 10^7
Engineering notation
2.8751490 × 10^6
Prime Factorization
2 × 135 × 106487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28751490
Product of the distinct prime numbers
The prime factorization of 28751490 is 2 × 135 × 106487.
Since it has a total of 3 prime factors.
10 , 2 , 54 , 38 , 744 , 88 , 3561 , 6584 , 90444 , 42410 , 162110 , 607705 , 8912986 , 6508815 , 61748756 , 37958088 , 731469963 , 952147362 , 4555411246 , 7271313319
n×2
57502980
n×3
86254470
n×4
115005960
n×5
143757450
n÷2
14375745
n÷3
9583830
n÷3
7187872.5
n÷5
5750298
n2
826648177220100
n3
2.3767366800862E+22
n4
6.8334720890131E+29
n5
1.9647250443254E+37
2 √n
5362.0415887981
3 √n
306.35157591304
4 √n
73.225962532411
5 √n
31.026448867192
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
-28751489
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 28751490 can be divided by 8 positive divisors.
The sum of these divisors (counting 28751490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101011011010000010
3
Ternary
2000002201122000
4
Quaternary
1231223122002
5
Quinary
24330021430
6
Senary
2504124430
8
Octal
155533202
10
Decimal
28751490
12
Duodecimal
9766716
16
Hexadecimal
1b6b682
20
Vigesimal
8jdiea
36
Base36
h48si
md5
b2f8e0e0b5bc683fd4fe2feeaedc8786
sha1
46ad71478d224dafe2cfe9e086602f1f0d611a75
sha256
df6216e5e74bb3aa67ad28124787354288daea863e3c5029560a609ca3e0c96f
sha512
36e5a27d3dad9830260495c7dce5b1cdb1c900bd49e2b0aada5b5b65157280807a5a8f8123401aa99a453eeb7772d4f6e86a41d55bb820fc9dbf21ac51371ba2
ripemd-160
f69bdd2a1a9540b44d2fa473b50a5129a67092cb
Diameter
57502980
Circumference
180650939.52752
Area
2.5969918406581E+15
Volume
9.9556513249016E+22
Surface area
1.0387967362632E+16
Circumference
180650939.52752
Perimeter
115005960
Area
826648177220100
Diagonal
40660747.096434
Surface area
4959889063320600
Volume
2.3767366800862E+22
Space diagonal
49799041.473308
Perimeter
86254470
Area
3.5794916073235E+14
Altitude
24899520.736654
Surface area
3.5794916073235E+14
Volume
2.8010110393062E+21
Height
13553582.365478