28149128 is an even 8-digits composite number following 28149127
and preceding 28149129 . In scientific notation, it is written as 2.8149128 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 24 positive divisors.
There are 12063744 positive integers (up to 28149128) that are relatively prime to 28149128.
28149128 has 24 divisors, whose sum is 61397550
The reverse of 28149128 is 82194182
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred forty-nine thousand one hundred twenty-eight
Scientific notation
2.8149128 × 10^7
Engineering notation
2.8149128 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 7 × 71809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1005326
Product of the distinct prime numbers
The prime factorization of 28149128 is 2 × 2 × 2 × 7 × 7 × 71809.
Since it has a total of 6 prime factors.
8 , 10 , 2 , 52 , 720 , 936 , 2773 , 7022 , 7535 , 42506 , 808469 , 832824 , 4192180 , 6030442 , 13838092 , 44124469 , 341560952 , 282166929 , 6350246235 , 906022176
n×2
56298256
n×3
84447384
n×4
112596512
n×5
140745640
n÷2
14074564
n÷3
9383042.6666667
n÷3
7037282
n÷5
5629825.6
n2
792373407160384
n3
2.2304620461954E+22
n4
6.2785561637496E+29
n5
1.7673588110858E+37
2 √n
5305.5751808828
3 √n
304.19703869689
4 √n
72.839379327963
5 √n
30.89534072798
1 , 2 , 4 , 7 , 8 , 14 , 28 , 49 , 56 , 98 , 196 , 392 , 71809 , 143618 , 287236 , 502663 , 574472 , 1005326 , 2010652 , 3518641 , 4021304 , 7037282 , 14074564 , 28149128
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28149127
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28149128 can be divided by 24 positive divisors.
The sum of these divisors (counting 28149128) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011000010110001000
3
Ternary
1221222010100022
4
Quaternary
1223120112020
5
Quinary
24201233003
6
Senary
2443200012
8
Octal
153302610
10
Decimal
28149128
12
Duodecimal
9516008
16
Hexadecimal
1ad8588
20
Vigesimal
8ficg8
36
Base36
grc08
md5
8a66af95e753c5932e48fe770acb0c1a
sha1
b4ce0a7376641e008530fc9a30865a16adbe3b40
sha256
437f8bc83ab690b3f3ee20436cae433c42bb54dea749c8ba6d30b587a54a0ab4
sha512
931a62ba67c60c11166ed8610d098f3ded621d4f19d1de38052e9993722b9fab980217480ccc001c9bd562e8bbf86792dcf469f3243dd56eee1cb176b3026956
ripemd-160
5192fca7972d81d33094e9d2f17979e3618a7f76
Diameter
56298256
Circumference
176866187.45952
Area
2.489314474835E+15
Volume
9.342937571251E+22
Surface area
9.9572578993399E+15
Circumference
176866187.45952
Perimeter
112596512
Area
792373407160384
Diagonal
39808878.586576
Surface area
4754240442962304
Volume
2.2304620461954E+22
Space diagonal
48755719.88476
Perimeter
84447384
Area
3.4310774994206E+14
Altitude
24377859.94238
Surface area
3.4310774994206E+14
Volume
2.6286247300733E+21
Height
13269626.195525