28125816 is an even 8-digits composite number following 28125815
and preceding 28125817 . In scientific notation, it is written as 2.8125816 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 9306720 positive integers (up to 28125816) that are relatively prime to 28125816.
28125816 has 32 divisors, whose sum is 70828800
The reverse of 28125816 is 61852182
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million one hundred twenty-five thousand eight hundred sixteen
Scientific notation
2.8125816 × 10^7
Engineering notation
2.8125816 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 139 × 8431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7031454
Product of the distinct prime numbers
The prime factorization of 28125816 is 2 × 2 × 2 × 3 × 139 × 8431.
Since it has a total of 6 prime factors.
3 , 4 , 22 , 49 , 254 , 32 , 3868 , 1039 , 92039 , 91365 , 91298 , 670823 , 1484126 , 7918307 , 88794446 , 57150492 , 266822463 , 396098699 , 8108465553 , 9474265640
n×2
56251632
n×3
84377448
n×4
112503264
n×5
140629080
n÷2
14062908
n÷3
9375272
n÷3
7031454
n÷5
5625163.2
n2
791061525665856
n3
2.2249250915557E+22
n4
6.2577833738879E+29
n5
1.7600526374183E+37
2 √n
5303.3777915589
3 √n
304.11304083279
4 √n
72.824293965399
5 √n
30.890221770911
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 139 , 278 , 417 , 556 , 834 , 1112 , 1668 , 3336 , 8431 , 16862 , 25293 , 33724 , 50586 , 67448 , 101172 , 202344 , 1171909 , 2343818 , 3515727 , 4687636 , 7031454 , 9375272 , 14062908 , 28125816
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28125815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28125816 can be divided by 32 positive divisors.
The sum of these divisors (counting 28125816) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011010010101001111000
3
Ternary
1221220221100220
4
Quaternary
1223102221320
5
Quinary
24200011231
6
Senary
2442500040
8
Octal
153225170
10
Decimal
28125816
12
Duodecimal
9504620
16
Hexadecimal
1ad2a78
20
Vigesimal
8ffeag
36
Base36
gqu0o
md5
8fbc2a91113b9935ee853ec21f13d8a5
sha1
ed7026c4ce10b406ee48eed3a7e5942bc37c97fd
sha256
4892123dfd574acd956400ab35049aa06462d0de5c605b24bac478efb3547a4e
sha512
ee74ff201e45c38032d0a903bf20f49896b89564d901be2c3e11ca801ff22bd4c8c1e3f966cfcc3ef1c25d0429044c0d364aee1c7bd1f8653dfda8ec238e97a1
ripemd-160
2ac57cfa303e29ab55e269eaa4da89de8d537aa7
Diameter
56251632
Circumference
176719713.84364
Area
2.4851930775694E+15
Volume
9.319744429892E+22
Surface area
9.9407723102775E+15
Circumference
176719713.84364
Perimeter
112503264
Area
791061525665856
Diagonal
39775910.44001
Surface area
4746369153995136
Volume
2.2249250915557E+22
Space diagonal
48715342.316334
Perimeter
84377448
Area
3.4253968859155E+14
Altitude
24357671.158167
Surface area
3.4253968859155E+14
Volume
2.6220993664519E+21
Height
13258636.813337