28839986 is an even 8-digits composite number following 28839985
and preceding 28839987 . In scientific notation, it is written as 2.8839986 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 11709360 positive integers (up to 28839986) that are relatively prime to 28839986.
28839986 has 16 divisors, whose sum is 52042560
The reverse of 28839986 is 68993882
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million eight hundred thirty-nine thousand nine hundred eighty-six
Scientific notation
2.8839986 × 10^7
Engineering notation
2.8839986 × 10^6
Prime Factorization
2 × 19 × 7 × 108421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28839986
Product of the distinct prime numbers
The prime factorization of 28839986 is 2 × 19 × 7 × 108421.
Since it has a total of 4 prime factors.
5 , 2 , 17 , 20 , 929 , 37 , 2246 , 3443 , 70940 , 60984 , 879296 , 23259 , 2767746 , 5044373 , 81023737 , 83620286 , 557126872 , 964049332 , 3793798249 , 7618651037
n×2
57679972
n×3
86519958
n×4
115359944
n×5
144199930
n÷2
14419993
n÷3
9613328.6666667
n÷3
7209996.5
n÷5
5767997.2
n2
831744792480196
n3
2.3987508170702E+22
n4
6.9179939981792E+29
n5
1.9951485005557E+37
2 √n
5370.2873293707
3 √n
306.66556684126
4 √n
73.28224429813
5 √n
31.045525042818
1 , 2 , 7 , 14 , 19 , 38 , 133 , 266 , 108421 , 216842 , 758947 , 1517894 , 2059999 , 4119998 , 14419993 , 28839986
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
-28839985
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 28839986 can be divided by 16 positive divisors.
The sum of these divisors (counting 28839986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110000001000000110010
3
Ternary
2000021020000122
4
Quaternary
1232001000302
5
Quinary
24340334421
6
Senary
2510050242
8
Octal
156010062
10
Decimal
28839986
12
Duodecimal
97a9982
16
Hexadecimal
1b81032
20
Vigesimal
904jj6
36
Base36
h652q
md5
e8d376b027687b6395c674136a5218d2
sha1
d90f0b358a77eacb94fa0552ca82650fe37e469f
sha256
a91fc6496763a0f2586945fbe722d19e08fff571f34ee000b5673995ca0545de
sha512
06453cd49608e21fc4872ebe3e09a7cc0fe1a1cd0ab6de9d61e200648f5f11e045498b9e2495405c4fdc6b96a1264ad16a745504a31652447f1bb1be8663fe4a
ripemd-160
89ed360d52b9b76aeae2ef39c6af0760c653233b
Diameter
57679972
Circumference
181206976.29446
Area
2.6130033297174E+15
Volume
1.0047863926267E+23
Surface area
1.0452013318869E+16
Circumference
181206976.29446
Perimeter
115359944
Area
831744792480196
Diagonal
40785899.33985
Surface area
4990468754881176
Volume
2.3987508170702E+22
Space diagonal
49952321.041575
Perimeter
86519958
Area
3.6015605987663E+14
Altitude
24976160.520788
Surface area
3.6015605987663E+14
Volume
2.8269549485452E+21
Height
13595299.77995