28296985 is an odd 8-digits composite number following 28296984
and preceding 28296986 . In scientific notation, it is written as 2.8296985 × 10^7.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 21012480 positive integers (up to 28296985) that are relatively prime to 28296985.
28296985 has 24 divisors, whose sum is 36566856
The reverse of 28296985 is 58969282
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million two hundred ninety-six thousand nine hundred eighty-five
Scientific notation
2.8296985 × 10^7
Engineering notation
2.8296985 × 10^6
Prime Factorization
5 × 19 × 19 × 61 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1489315
Product of the distinct prime numbers
The prime factorization of 28296985 is 5 × 19 × 19 × 61 × 257.
Since it has a total of 5 prime factors.
9 , 5 , 78 , 25 , 64 , 550 , 3663 , 5283 , 17891 , 3952 , 511835 , 97079 , 5148770 , 7517894 , 95873183 , 57448467 , 417864051 , 425514793 , 2613374770 , 2398955134
n×2
56593970
n×3
84890955
n×4
113187940
n×5
141484925
n÷2
14148492.5
n÷3
9432328.3333333
n÷3
7074246.25
n÷5
5659397
n2
800719360090225
n3
2.2657943721683E+22
n4
6.411514936233E+29
n5
1.8142654197786E+37
2 √n
5319.4910470834
3 √n
304.72872053312
4 √n
72.934841105492
5 √n
30.927729118333
1 , 5 , 19 , 61 , 95 , 257 , 305 , 361 , 1159 , 1285 , 1805 , 4883 , 5795 , 15677 , 22021 , 24415 , 78385 , 92777 , 110105 , 297863 , 463885 , 1489315 , 5659397 , 28296985
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
-28296984
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 28296985 can be divided by 24 positive divisors.
The sum of these divisors (counting 28296985) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011111100011100011001
3
Ternary
1222020122011111
4
Quaternary
1223330130121
5
Quinary
24221000420
6
Senary
2450300321
8
Octal
153743431
10
Decimal
28296985
12
Duodecimal
95876a1
16
Hexadecimal
1afc719
20
Vigesimal
8gh295
36
Base36
gui3d
md5
56b8668afa304979983242ba379f08ee
sha1
8ee1fadd07ca8c3d9a594ad8e048bb9fc26e0fd3
sha256
7db00f365f61298ebeb232de12b012a2154b3b81775a0fbb1097e9af51e667b2
sha512
afa0092c23b350c3da11fa7abfc555fe2c104dc16c5789461dedbb65d8046cdf4b16da9e3a10ab26c56bda797c6530e3ad81daf48880b8d665295a2518de2fad
ripemd-160
8beddf16f35f00ac1bd8f97fe77dd41bc48dc055
Diameter
56593970
Circumference
177795200.38948
Area
2.5155340592466E+15
Volume
9.4909372721986E+22
Surface area
1.0062136236986E+16
Circumference
177795200.38948
Perimeter
113187940
Area
800719360090225
Diagonal
40017979.961268
Surface area
4804316160541350
Volume
2.2657943721683E+22
Space diagonal
49011815.721014
Perimeter
84890955
Area
3.4672165357008E+14
Altitude
24505907.860507
Surface area
3.4672165357008E+14
Volume
2.6702642755575E+21
Height
13339326.653756