28993867 is an odd 8-digits composite number following 28993866
and preceding 28993868 . In scientific notation, it is written as 2.8993867 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 23429088 positive integers (up to 28993867) that are relatively prime to 28993867.
28993867 has 16 divisors, whose sum is 35050240
The reverse of 28993867 is 76839982
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred ninety-three thousand eight hundred sixty-seven
Scientific notation
2.8993867 × 10^7
Engineering notation
2.8993867 × 10^6
Prime Factorization
7 × 19 × 787 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28993867
Product of the distinct prime numbers
The prime factorization of 28993867 is 7 × 19 × 787 × 277.
Since it has a total of 4 prime factors.
8 , 6 , 88 , 79 , 409 , 564 , 4053 , 2132 , 77270 , 12541 , 206760 , 446127 , 1400024 , 4124976 , 78042784 , 47151839 , 586331161 , 451120951 , 9199020408 , 5689771532
n×2
57987734
n×3
86981601
n×4
115975468
n×5
144969335
n÷2
14496933.5
n÷3
9664622.3333333
n÷3
7248466.75
n÷5
5798773.4
n2
840644323613689
n3
2.437352971316E+22
n4
7.0668287882392E+29
n5
2.0489469399798E+37
2 √n
5384.5953422704
3 √n
307.21002297371
4 √n
73.379802004846
5 √n
31.078584371367
1 , 7 , 19 , 133 , 277 , 787 , 1939 , 5263 , 5509 , 14953 , 36841 , 104671 , 217999 , 1525993 , 4141981 , 28993867
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
-28993866
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 28993867 can be divided by 16 positive divisors.
The sum of these divisors (counting 28993867) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100110100101001011
3
Ternary
2000120001002221
4
Quaternary
1232212211023
5
Quinary
24410300432
6
Senary
2513234511
8
Octal
156464513
10
Decimal
28993867
12
Duodecimal
9862a37
16
Hexadecimal
1ba694b
20
Vigesimal
9144d7
36
Base36
h9ft7
md5
cebbfa07b4d2e6f6520fa91ffb03e441
sha1
4935fded29e8d35b1b0ee880dd8b59550662f787
sha256
b980753b809ab01b89f8ff91ac2d18e356f0883aca257eff539e901c48277813
sha512
71e68c17787731d7720dc14c4be44ea9b207ef6a29ce05af6af871df1f8dd5892c33eb8efb95c22c54a7304cb2559e53fd02f4fe1fd27210de643b40ceb245ff
ripemd-160
8064752cb2e1435db207cfb9faf932765edf4264
Diameter
57987734
Circumference
182173839.13272
Area
2.6409620313467E+15
Volume
1.0209560251856E+23
Surface area
1.0563848125387E+16
Circumference
182173839.13272
Perimeter
115975468
Area
840644323613689
Diagonal
41003519.937042
Surface area
5043865941682134
Volume
2.437352971316E+22
Space diagonal
50218850.751895
Perimeter
86981601
Area
3.6400966989832E+14
Altitude
25109425.375947
Surface area
3.6400966989832E+14
Volume
2.8724480236046E+21
Height
13667839.979014