28989839 is an odd 8-digits composite number following 28989838
and preceding 28989840 . In scientific notation, it is written as 2.8989839 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 27464040 positive integers (up to 28989839) that are relatively prime to 28989839.
28989839 has 4 divisors, whose sum is 30515640
The reverse of 28989839 is 93898982
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-eight million nine hundred eighty-nine thousand eight hundred thirty-nine
Scientific notation
2.8989839 × 10^7
Engineering notation
2.8989839 × 10^6
Prime Factorization
19 × 1525781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28989839
Product of the distinct prime numbers
The prime factorization of 28989839 is 19 × 1525781.
Since it has a total of 2 prime factors.
5 , 8 , 37 , 52 , 351 , 170 , 9771 , 4013 , 89211 , 23075 , 145627 , 328580 , 6474420 , 2367220 , 17408238 , 40366165 , 519976832 , 360117170 , 6088517414 , 3428196369
n×2
57979678
n×3
86969517
n×4
115959356
n×5
144949195
n÷2
14494919.5
n÷3
9663279.6666667
n÷3
7247459.75
n÷5
5797967.8
n2
840410765245921
n3
2.4363372778346E+22
n4
7.0629025434123E+29
n5
2.0475240760621E+37
2 √n
5384.2212993152
3 √n
307.19579583525
4 √n
73.377253282712
5 √n
31.077720799116
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
-28989838
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 28989839 can be divided by 4 positive divisors.
The sum of these divisors (counting 28989839) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100101100110001111
3
Ternary
2000112211120202
4
Quaternary
1232211212033
5
Quinary
24410133324
6
Senary
2513204115
8
Octal
156454617
10
Decimal
28989839
12
Duodecimal
986063b
16
Hexadecimal
1ba598f
20
Vigesimal
913ebj
36
Base36
h9cpb
md5
16e55b9d868752143c7f1ee24c0c4b51
sha1
69af6571f9a3bd05d7463c62f1dc961655ff7c7d
sha256
d2857f6af41080732ad0407100416031afeb8bf01ea5d5e9ebf7337b706a95f3
sha512
7a4327a28fbea8d241d941f560071114aa7d74378b68c353d76da85108424afecaf12b6224ec5f651da3adcbb08642af5bc3ebdd4433a6112562b16ee671b679
ripemd-160
1cc669dd9107316a978730133d43d8c1a09f7bd7
Diameter
57979678
Circumference
182148530.4623
Area
2.6402282860944E+15
Volume
1.020530572495E+23
Surface area
1.0560913144377E+16
Circumference
182148530.4623
Perimeter
115959356
Area
840410765245921
Diagonal
40997823.484812
Surface area
5042464591475526
Volume
2.4363372778346E+22
Space diagonal
50211874.051242
Perimeter
86969517
Area
3.6390853615844E+14
Altitude
25105937.025621
Surface area
3.6390853615844E+14
Volume
2.8712510173574E+21
Height
13665941.161604