128839250 is an even 9-digits composite number following 128839249
and preceding 128839251 . In scientific notation, it is written as 1.28839250 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 51535600 positive integers (up to 128839250) that are relatively prime to 128839250.
128839250 has 16 divisors, whose sum is 241187544
The reverse of 128839250 is 052938821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million eight hundred thirty-nine thousand two hundred fifty
Scientific notation
1.28839250 × 10^8
Engineering notation
1.28839250 × 10^6
Prime Factorization
2 × 5 × 5 × 5 × 515357
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5153570
Product of the distinct prime numbers
The prime factorization of 128839250 is 2 × 5 × 5 × 5 × 515357.
Since it has a total of 5 prime factors.
8 , 5 , 15 , 24 , 313 , 491 , 4657 , 7747 , 9168 , 9687 , 548268 , 145574 , 5797712 , 4212081 , 79834210 , 15493268 , 92278819 , 694151818 , 6398647479 , 5354998589
n×2
257678500
n×3
386517750
n×4
515357000
n×5
644196250
n÷2
64419625
n÷3
42946416.666667
n÷3
32209812.5
n÷5
25767850
n2
16599552340562500
n3
2.1386738738938E+24
n4
2.7554513790707E+32
n5
3.5501028909094E+40
2 √n
11350.737861478
3 √n
505.0674680306
4 √n
106.53984166254
5 √n
41.880285884117
1 , 2 , 5 , 10 , 25 , 50 , 125 , 250 , 515357 , 1030714 , 2576785 , 5153570 , 12883925 , 25767850 , 64419625 , 128839250
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
-128839249
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 128839250 can be divided by 16 positive divisors.
The sum of these divisors (counting 128839250) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011110111001010010
3
Ternary
22222102201020002
4
Quaternary
13223132321102
5
Quinary
230440324000
6
Senary
20441250002
8
Octal
753367122
10
Decimal
128839250
12
Duodecimal
37193902
16
Hexadecimal
7adee52
20
Vigesimal
2054i2a
36
Base36
24ph02
md5
680e527aba7340df57564198d6427566
sha1
6343e3998767eec7ae0dabd7fe70e6fd7ec7878a
sha256
138975e9af99f6b9c832e10c658deefd060dd2b2b310e9abfc59f7a3626e5a92
sha512
7affb8d9814caf8bc5d9eb84bcc38dd5b05c525b7e2397b40a3d67e72f915f4a018656aa8f3d1b35846a176e19f6fa07185089b51ec1bda6d040b7064d590762
ripemd-160
7c5cd6440194db9a6bf6d6499e38d882bdc89534
Diameter
257678500
Circumference
809520882.58804
Area
5.214903168599E+16
Volume
8.958456174199E+24
Surface area
2.0859612674396E+17
Circumference
809520882.58804
Perimeter
515357000
Area
16599552340562500
Diagonal
182206214.71598
Surface area
99597314043375000
Volume
2.1386738738938E+24
Space diagonal
223156127.00907
Perimeter
386517750
Area
7.1878170091883E+15
Altitude
111578063.50453
Surface area
7.1878170091883E+15
Volume
2.520451331628E+23
Height
60735404.905326