28668839 is an odd 8-digits composite number following 28668838
and preceding 28668840 . In scientific notation, it is written as 2.8668839 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 28657920 positive integers (up to 28668839) that are relatively prime to 28668839.
28668839 has 4 divisors, whose sum is 28679760
The reverse of 28668839 is 93886682
Previous prime number is 6529
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million six hundred sixty-eight thousand eight hundred thirty-nine
Scientific notation
2.8668839 × 10^7
Engineering notation
2.8668839 × 10^6
Prime Factorization
6529 × 4391
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28668839
Product of the distinct prime numbers
The prime factorization of 28668839 is 6529 × 4391.
Since it has a total of 2 prime factors.
6 , 9 , 62 , 25 , 464 , 971 , 2179 , 3584 , 81139 , 44398 , 38560 , 176395 , 1727488 , 1583554 , 90192237 , 2415712 , 11373533 , 571297120 , 1866613773 , 4374100155
n×2
57337678
n×3
86006517
n×4
114675356
n×5
143344195
n÷2
14334419.5
n÷3
9556279.6666667
n÷3
7167209.75
n÷5
5733767.8
n2
821902329607921
n3
2.3562985561254E+22
n4
6.7552343941493E+29
n5
1.9366472725313E+37
2 √n
5354.3289962422
3 √n
306.05774110799
4 √n
73.173280616918
5 √n
31.008590169758
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28668838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28668839 can be divided by 4 positive divisors.
The sum of these divisors (counting 28668839) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101010111001110100111
3
Ternary
1222221112020212
4
Quaternary
1231113032213
5
Quinary
24314400324
6
Senary
2502250035
8
Octal
155271647
10
Decimal
28668839
12
Duodecimal
972691b
16
Hexadecimal
1b573a7
20
Vigesimal
8j3c1j
36
Base36
h2h0n
md5
04d3b57f3d0b4418afefba067188bd89
sha1
5c9ae7f1b266b9afcef897e8b084aecae0992152
sha256
ec35a8c32073d461d6bca3da149505d81b392af183eb61663c84d9b6b65ef4ad
sha512
362f866df83e384d2732fcc53d895d12da91caae9427984072d562a6984c249167ec2a9c5898e4a5bec15ed3211195384b274d933b5a213063673f70b8c3d15d
ripemd-160
b6f1834b744b01e497c33958ab54f2d5ab540b47
Diameter
57337678
Circumference
180131627.9787
Area
2.5820823206646E+15
Volume
9.8700403114506E+22
Surface area
1.0328329282658E+16
Circumference
180131627.9787
Perimeter
114675356
Area
821902329607921
Diagonal
40543860.931291
Surface area
4931413977647526
Volume
2.3562985561254E+22
Space diagonal
49655885.742012
Perimeter
86006517
Area
3.5589414843504E+14
Altitude
24827942.871006
Surface area
3.5589414843504E+14
Volume
2.7769244792273E+21
Height
13514620.31043