28995865 is an odd 8-digits composite number following 28995864
and preceding 28995866 . In scientific notation, it is written as 2.8995865 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 23172480 positive integers (up to 28995865) that are relatively prime to 28995865.
28995865 has 8 divisors, whose sum is 34831368
The reverse of 28995865 is 56859982
Previous prime number is 1193
Is Prime? no Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
twenty-eight million nine hundred ninety-five thousand eight hundred sixty-five
Scientific notation
2.8995865 × 10^7
Engineering notation
2.8995865 × 10^6
Prime Factorization
5 × 1193 × 4861
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28995865 Product of the distinct prime numbers
The prime factorization of 28995865 is 5 × 1193 × 4861.
Since it has a total of 3 prime factors.
4 , 7 , 26 , 94 , 759 , 149 , 6088 , 2867 , 69941 , 28213 , 44767 , 362304 , 1812111 , 3098086 , 28402415 , 80025076 , 644779661 , 940138675 , 8623107937 , 3039376580
n×2
57991730
n×3
86987595
n×4
115983460
n×5
144979325
n÷2
14497932.5
n÷3
9665288.3333333
n÷3
7248966.25
n÷5
5799173
n2
840760187098225
n3
2.4378568882475E+22
n4
7.0687769220944E+29
n5
2.0496530134817E+37
2 √n5384.7808683362
3 √n307.21707954108
4 √n73.38106614336
5 √n31.079012691605
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
-28995864 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 28995865 can be divided by 8 positive divisors.
The sum of these divisors (counting 28995865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111000100011001
3
Ternary
2000120010211221
4
Quaternary
1232213010121
5
Quinary
24410331430
6
Senary
2513252041
8
Octal
156470431
10
Decimal
28995865
12
Duodecimal
9864021
16
Hexadecimal
1ba7119
20
Vigesimal
9149d5
36
Base36
h9hcp
md5
9f73028c8cca16d38b45a9e511525d2f
sha1
fde6b27e0387f23e2076fa3d9c1f911c9becc965
sha256
4d5ae9e507c2e91e4c79e1c7a945729dc5d0274c21654a057da8d4fde46ebce5
sha512
0a20fdde523a7a25c84eb31d2b92c3f76d7e7047f31f65c956d30272120f19b1c466beffcaba5eb960f1aa8424dbda7e6aabe1022774201267df83d36401f336
ripemd-160
9b7dfe9bca831c6ff2f114bbd77fba7882532edc
Diameter
57991730
Circumference
182186392.93696
Area
2.6413260272186E+15
Volume
1.0211671054162E+23
Surface area
1.0565304108874E+16
Circumference
182186392.93696
Perimeter
115983460
Area
840760187098225
Diagonal
41006345.535739
Surface area
5044561122589350
Volume
2.4378568882475E+22
Space diagonal
50222311.389408
Perimeter
86987595
Area
3.6405984025881E+14
Altitude
25111155.694704
Surface area
3.6405984025881E+14
Volume
2.8730418954036E+21
Height
13668781.845246