28638862 is an even 8-digits composite number following 28638861
and preceding 28638863 . In scientific notation, it is written as 2.8638862 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 12146688 positive integers (up to 28638862) that are relatively prime to 28638862.
28638862 has 16 divisors, whose sum is 49603680
The reverse of 28638862 is 26883682
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred thirty-eight thousand eight hundred sixty-two
Scientific notation
2.8638862 × 10^7
Engineering notation
2.8638862 × 10^6
Prime Factorization
2 × 7 × 97 × 21089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28638862
Product of the distinct prime numbers
The prime factorization of 28638862 is 2 × 7 × 97 × 21089.
Since it has a total of 4 prime factors.
1 , 2 , 73 , 28 , 631 , 908 , 5649 , 2965 , 38849 , 77347 , 631299 , 830575 , 1791849 , 6846445 , 9206592 , 47551470 , 135497067 , 435309936 , 9898526456 , 3537999350
n×2
57277724
n×3
85916586
n×4
114555448
n×5
143194310
n÷2
14319431
n÷3
9546287.3333333
n÷3
7159715.5
n÷5
5727772.4
n2
820184416655044
n3
2.3489148323134E+22
n4
6.7270247732377E+29
n5
1.9265433415134E+37
2 √n
5351.5289404057
3 √n
305.95102951377
4 √n
73.154145066467
5 √n
31.002102752981
1 , 2 , 7 , 14 , 97 , 194 , 679 , 1358 , 21089 , 42178 , 147623 , 295246 , 2045633 , 4091266 , 14319431 , 28638862
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
-28638861
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 28638862 can be divided by 16 positive divisors.
The sum of these divisors (counting 28638862) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101001111111010001110
3
Ternary
1222220000010121
4
Quaternary
1231033322032
5
Quinary
24312420422
6
Senary
2501455154
8
Octal
155177216
10
Decimal
28638862
12
Duodecimal
97114ba
16
Hexadecimal
1b4fe8e
20
Vigesimal
8ijh32
36
Base36
h1tvy
md5
5d20b57950602fdb1d0c115192039648
sha1
52f468eb73897c4911b8e383a1e0a136b460f1ca
sha256
4d63403b81698bed04bf36dfd835fbc395dd3bd2e329b3685aeac58be6aaed2c
sha512
23df5a2b6459d6eae82761f9655be615e9fcbb2755dd053b998dd3f8a654f22f0e6832053038ee3901c171e72dea99b3d62790a76c989827bcaca01cdd32adf9
ripemd-160
cb09ab3930b34b968be299ab76d074efe5737ecb
Diameter
57277724
Circumference
179943276.93274
Area
2.5766853379523E+15
Volume
9.839111441472E+22
Surface area
1.0306741351809E+16
Circumference
179943276.93274
Perimeter
114555448
Area
820184416655044
Diagonal
40501467.051331
Surface area
4921106499930264
Volume
2.3489148323134E+22
Space diagonal
49603964.054954
Perimeter
85916586
Area
3.5515027030569E+14
Altitude
24801982.027477
Surface area
3.5515027030569E+14
Volume
2.7682226772641E+21
Height
13500489.01711