28998949 is an odd 8-digits composite number following 28998948
and preceding 28998950 . In scientific notation, it is written as 2.8998949 × 10^7.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 24856236 positive integers (up to 28998949) that are relatively prime to 28998949.
28998949 has 4 divisors, whose sum is 33141664
The reverse of 28998949 is 94989982
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
twenty-eight million nine hundred ninety-eight thousand nine hundred forty-nine
Scientific notation
2.8998949 × 10^7
Engineering notation
2.8998949 × 10^6
Prime Factorization
7 × 4142707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28998949
Product of the distinct prime numbers
The prime factorization of 28998949 is 7 × 4142707.
Since it has a total of 2 prime factors.
8 , 7 , 60 , 18 , 151 , 354 , 2964 , 4513 , 19929 , 37899 , 441597 , 614470 , 1746307 , 3028007 , 50826939 , 3140245 , 274219168 , 57063697 , 9137634851 , 6620374485
n×2
57997898
n×3
86996847
n×4
115995796
n×5
144994745
n÷2
14499474.5
n÷3
9666316.3333333
n÷3
7249737.25
n÷5
5799789.8
n2
840939043104601
n3
2.4386348423099E+22
n4
7.0717847421768E+29
n5
2.0507432507736E+37
2 √n
5385.0672233501
3 √n
307.22797102377
4 √n
73.383017267963
5 √n
31.079673776195
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28998948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28998949 can be divided by 4 positive divisors.
The sum of these divisors (counting 28998949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100111110100100101
3
Ternary
2000120022002011
4
Quaternary
1232213310211
5
Quinary
24410431244
6
Senary
2513314221
8
Octal
156476445
10
Decimal
28998949
12
Duodecimal
9865971
16
Hexadecimal
1ba7d25
20
Vigesimal
914h79
36
Base36
h9jqd
md5
3907ab1f2b7b1c21173dbdf88dc1d9fd
sha1
67e02408713387b98ce76485c8de114b9c4d1583
sha256
773490956d57b71e13946828b2cc0702228346753f9d3416d0e0e60678cf26b9
sha512
179ca4190077ecf88abbe31c79552241a79efacfb958a53032651e11e6d7d7e194f207d92a6265d349ec815bc231ba35b77323eb076ad226caf3a5fc451ac909
ripemd-160
534f0e7dfd650031c93799409800ed8c756c21e7
Diameter
57997898
Circumference
182205770.28045
Area
2.6418879199342E+15
Volume
1.0214929740519E+23
Surface area
1.0567551679737E+16
Circumference
182205770.28045
Perimeter
115995796
Area
840939043104601
Diagonal
41010706.970366
Surface area
5045634258627606
Volume
2.4386348423099E+22
Space diagonal
50227653.034099
Perimeter
86996847
Area
3.6413728718138E+14
Altitude
25113826.517049
Surface area
3.6413728718138E+14
Volume
2.8739587230585E+21
Height
13670235.656789