28638863 is an odd 8-digits composite number following 28638862
and preceding 28638864 . In scientific notation, it is written as 2.8638863 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 23654400 positive integers (up to 28638863) that are relatively prime to 28638863.
28638863 has 16 divisors, whose sum is 34227360
The reverse of 28638863 is 36883682
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred thirty-eight thousand eight hundred sixty-three
Scientific notation
2.8638863 × 10^7
Engineering notation
2.8638863 × 10^6
Prime Factorization
11 × 29 × 17 × 5281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28638863
Product of the distinct prime numbers
The prime factorization of 28638863 is 11 × 29 × 17 × 5281.
Since it has a total of 4 prime factors.
7 , 1 , 66 , 5 , 926 , 122 , 8318 , 3718 , 19135 , 93532 , 892452 , 955414 , 2762769 , 3006265 , 77560218 , 4604227 , 852049697 , 470556769 , 9046170109 , 2155365280
n×2
57277726
n×3
85916589
n×4
114555452
n×5
143194315
n÷2
14319431.5
n÷3
9546287.6666667
n÷3
7159715.75
n÷5
5727772.6
n2
820184473932769
n3
2.3489150783688E+22
n4
6.7270257128037E+29
n5
1.9265436778646E+37
2 √n
5351.529033837
3 √n
305.95103307479
4 √n
73.154145705059
5 √n
31.002102969485
1 , 11 , 17 , 29 , 187 , 319 , 493 , 5281 , 5423 , 58091 , 89777 , 153149 , 987547 , 1684639 , 2603533 , 28638863
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28638862
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28638863 can be divided by 16 positive divisors.
The sum of these divisors (counting 28638863) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101001111111010001111
3
Ternary
1222220000010122
4
Quaternary
1231033322033
5
Quinary
24312420423
6
Senary
2501455155
8
Octal
155177217
10
Decimal
28638863
12
Duodecimal
97114bb
16
Hexadecimal
1b4fe8f
20
Vigesimal
8ijh33
36
Base36
h1tvz
md5
8dd07cbbebc458bc42dcf365103519c3
sha1
c7d0f14d5bcfb4e20358b1c817ce4a157794cfcd
sha256
de4fb8ac7a1a120eba3a8f696913d195b9b347ff96ff653dc356db9efca1a12b
sha512
bc32b7a73350e7f1b2bc9387bb9c3d4d2261177a2bd849dae5e62974e96ad5816096f2c633476680dd0c1d4c42520a7c55bd935e3e96e931b8c02d8d22992fbe
ripemd-160
04b5a7952379462468b57da8f717bd5efc81cab2
Diameter
57277726
Circumference
179943283.21593
Area
2.5766855178956E+15
Volume
9.8391124721461E+22
Surface area
1.0306742071582E+16
Circumference
179943283.21593
Perimeter
114555452
Area
820184473932769
Diagonal
40501468.465545
Surface area
4921106843596614
Volume
2.3489150783688E+22
Space diagonal
49603965.787004
Perimeter
85916589
Area
3.5515029510768E+14
Altitude
24801982.893502
Surface area
3.5515029510768E+14
Volume
2.7682229672431E+21
Height
13500489.488515