28993886 is an even 8-digits composite number following 28993885
and preceding 28993887 . In scientific notation, it is written as 2.8993886 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 13578048 positive integers (up to 28993886) that are relatively prime to 28993886.
28993886 has 16 divisors, whose sum is 46299600
The reverse of 28993886 is 68839982
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million nine hundred ninety-three thousand eight hundred eighty-six
Scientific notation
2.8993886 × 10^7
Engineering notation
2.8993886 × 10^6
Prime Factorization
2 × 19 × 89 × 8573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28993886
Product of the distinct prime numbers
The prime factorization of 28993886 is 2 × 19 × 89 × 8573.
Since it has a total of 4 prime factors.
1 , 4 , 54 , 68 , 83 , 831 , 4337 , 8012 , 76878 , 32435 , 543995 , 793984 , 390596 , 2734625 , 40912103 , 15005290 , 916175931 , 661533773 , 8557921715 , 6467463574
n×2
57987772
n×3
86981658
n×4
115975544
n×5
144969430
n÷2
14496943
n÷3
9664628.6666667
n÷3
7248471.5
n÷5
5798777.2
n2
840645425380996
n3
2.4373577629918E+22
n4
7.06684731214E+29
n5
2.0489536534759E+37
2 √n
5384.5971065624
3 √n
307.21009007974
4 √n
73.379814026491
5 √n
31.078588444594
1 , 2 , 19 , 38 , 89 , 178 , 1691 , 3382 , 8573 , 17146 , 162887 , 325774 , 762997 , 1525994 , 14496943 , 28993886
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
-28993885
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 28993886 can be divided by 16 positive divisors.
The sum of these divisors (counting 28993886) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100110100101011110
3
Ternary
2000120001010122
4
Quaternary
1232212211132
5
Quinary
24410301021
6
Senary
2513234542
8
Octal
156464536
10
Decimal
28993886
12
Duodecimal
9862a52
16
Hexadecimal
1ba695e
20
Vigesimal
9144e6
36
Base36
h9ftq
md5
8f948bba7b0dced25ed4e3cf8c220422
sha1
66a07795222301e0b1035d65d5d18071c7ec2245
sha256
caf55b2764d2f93db7ab30ab3c05480c00527597371f39006453843c087ac64e
sha512
d897a2c6764129becd9fae3cfe6e34ec2f0fef22fd7b9c984cfff4a6c5dbe976b1efe7f37cc0e668754cb733ea2d52162baf76e4b4e360328714f64a3dd09f02
ripemd-160
ac6405b153f8ea782a5ecb1f1a0005424228cfc4
Diameter
57987772
Circumference
182173958.51324
Area
2.6409654926508E+15
Volume
1.020958032318E+23
Surface area
1.0563861970603E+16
Circumference
182173958.51324
Perimeter
115975544
Area
840645425380996
Diagonal
41003546.807099
Surface area
5043872552285976
Volume
2.4373577629918E+22
Space diagonal
50218883.66086
Perimeter
86981658
Area
3.6401014697756E+14
Altitude
25109441.83043
Surface area
3.6401014697756E+14
Volume
2.8724536706486E+21
Height
13667848.9357