28993969 is an odd 8-digits composite number following 28993968
and preceding 28993970 . In scientific notation, it is written as 2.8993969 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 28569600 positive integers (up to 28993969) that are relatively prime to 28993969.
28993969 has 8 divisors, whose sum is 29421288
The reverse of 28993969 is 96939982
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million nine hundred ninety-three thousand nine hundred sixty-nine
Scientific notation
2.8993969 × 10^7
Engineering notation
2.8993969 × 10^6
Prime Factorization
1117 × 101 × 257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28993969
Product of the distinct prime numbers
The prime factorization of 28993969 is 1117 × 101 × 257.
Since it has a total of 3 prime factors.
4 , 8 , 24 , 40 , 215 , 357 , 166 , 5640 , 64716 , 87024 , 382253 , 260515 , 8522522 , 7887614 , 26746941 , 37680882 , 860757773 , 198912791 , 2475884070 , 1837654578
n×2
57987938
n×3
86981907
n×4
115975876
n×5
144969845
n÷2
14496984.5
n÷3
9664656.3333333
n÷3
7248492.25
n÷5
5798793.8
n2
840650238372961
n3
2.4373786951228E+22
n4
7.0669282327652E+29
n5
2.0489829810602E+37
2 √n
5384.6048137259
3 √n
307.21038322675
4 √n
73.379866542028
5 √n
31.078606238137
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
-28993968
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 28993969 can be divided by 8 positive divisors.
The sum of these divisors (counting 28993969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100110100110110001
3
Ternary
2000120001020201
4
Quaternary
1232212212301
5
Quinary
24410301334
6
Senary
2513235201
8
Octal
156464661
10
Decimal
28993969
12
Duodecimal
9862b01
16
Hexadecimal
1ba69b1
20
Vigesimal
9144i9
36
Base36
h9fw1
md5
8dd7177cfbda75d4111ca837ab5cfae2
sha1
cdbbe21f4d2b330e7e2d40d3981a22a803f8e0a5
sha256
354c83254e7c188b69216c026e34b9e1c3db45929e1db4334a2ad0e94e9dc8b1
sha512
fd59fdfa3d1e425a2029042d802a1eb5cce7a8b51760570b75c07baca8dee27289755b587d41d56cf4f8b3e4aba9812b15ed6070a8fead446a8ac5f2cafa073f
ripemd-160
ffeac2634b518256aeefebcbe8fed627b88d4616
Diameter
57987938
Circumference
182174480.01762
Area
2.640980613111E+15
Volume
1.0209668003486E+23
Surface area
1.0563922452444E+16
Circumference
182174480.01762
Perimeter
115975876
Area
840650238372961
Diagonal
41003664.186825
Surface area
5043901430237766
Volume
2.4373786951228E+22
Space diagonal
50219027.421077
Perimeter
86981907
Area
3.6401223106421E+14
Altitude
25109513.710538
Surface area
3.6401223106421E+14
Volume
2.8724783394016E+21
Height
13667888.062275