28998923 is an odd 8-digits composite number following 28998922
and preceding 28998924 . In scientific notation, it is written as 2.8998923 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 27293088 positive integers (up to 28998923) that are relatively prime to 28998923.
28998923 has 4 divisors, whose sum is 30704760
The reverse of 28998923 is 32989982
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million nine hundred ninety-eight thousand nine hundred twenty-three
Scientific notation
2.8998923 × 10^7
Engineering notation
2.8998923 × 10^6
Prime Factorization
17 × 1705819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28998923
Product of the distinct prime numbers
The prime factorization of 28998923 is 17 × 1705819.
Since it has a total of 2 prime factors.
2 , 6 , 63 , 81 , 810 , 510 , 6988 , 9485 , 13795 , 76845 , 138287 , 358821 , 7992481 , 6132209 , 68638730 , 3577150 , 778383202 , 713368314 , 4430857030 , 4675414146
n×2
57997846
n×3
86996769
n×4
115995692
n×5
144994615
n÷2
14499461.5
n÷3
9666307.6666667
n÷3
7249730.75
n÷5
5799784.6
n2
840937535159929
n3
2.4386282829913E+22
n4
7.0717593804086E+29
n5
2.05073405747E+37
2 √n
5385.0648092665
3 √n
307.22787920515
4 √n
73.383000819444
5 √n
31.079668203084
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
-28998922
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 28998923 can be divided by 4 positive divisors.
The sum of these divisors (counting 28998923) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100111110100001011
3
Ternary
2000120022001012
4
Quaternary
1232213310023
5
Quinary
24410431143
6
Senary
2513314135
8
Octal
156476413
10
Decimal
28998923
12
Duodecimal
986594b
16
Hexadecimal
1ba7d0b
20
Vigesimal
914h63
36
Base36
h9jpn
md5
87b6337170a518566ab9066d109eb47e
sha1
7c878717c2bbf26f5efd36c5641c0da35795fc43
sha256
12a555dae6fff39591cd0802501f045391e0f363a4f47cd9cb74df52345db071
sha512
a90398507f137263b93506b4604b27104e45841d612452f1430fc633bc49ecc0e902405aa77121762f453b7aa729d230e75279bd3bdb79c2ffe516376b0f8ecd
ripemd-160
ef4a9166c4c0b4ef656e4950fb4b7f7ab49a5687
Diameter
57997846
Circumference
182205606.91763
Area
2.6418831825863E+15
Volume
1.0214902264909E+23
Surface area
1.0567532730345E+16
Circumference
182205606.91763
Perimeter
115995692
Area
840937535159929
Diagonal
41010670.200813
Surface area
5045625210959574
Volume
2.4386282829913E+22
Space diagonal
50227608.000778
Perimeter
86996769
Area
3.6413663422218E+14
Altitude
25113804.000389
Surface area
3.6413663422218E+14
Volume
2.8739509928274E+21
Height
13670223.400271