128934249 is an odd 9-digits composite number following 128934248
and preceding 128934250 . In scientific notation, it is written as 1.28934249 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 85956164 positive integers (up to 128934249) that are relatively prime to 128934249.
128934249 has 4 divisors, whose sum is 171912336
The reverse of 128934249 is 942439821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million nine hundred thirty-four thousand two hundred forty-nine
Scientific notation
1.28934249 × 10^8
Engineering notation
1.28934249 × 10^6
Prime Factorization
3 × 42978083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128934249
Product of the distinct prime numbers
The prime factorization of 128934249 is 3 × 42978083.
Since it has a total of 2 prime factors.
7 , 6 , 5 , 63 , 122 , 238 , 7509 , 9115 , 22188 , 63934 , 496946 , 647540 , 8734353 , 2306904 , 8406664 , 68540748 , 835531543 , 111491945 , 978495935 , 297363395
n×2
257868498
n×3
386802747
n×4
515736996
n×5
644671245
n÷2
64467124.5
n÷3
42978083
n÷3
32233562.25
n÷5
25786849.8
n2
16624040565194001
n3
2.1434081856188E+24
n4
2.7635872471322E+32
n5
3.5632104625496E+40
2 √n
11354.921796296
3 √n
505.19157388704
4 √n
106.55947539424
5 √n
41.88646010876
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
-128934248
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 128934249 can be divided by 4 positive divisors.
The sum of these divisors (counting 128934249) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011110110000101101001
3
Ternary
22222121112112120
4
Quaternary
13223312011221
5
Quinary
231001343444
6
Senary
20443301453
8
Octal
753660551
10
Decimal
128934249
12
Duodecimal
3721a889
16
Hexadecimal
7af6169
20
Vigesimal
205gfc9
36
Base36
24riax
md5
3c7692bc9dfa3d404f557be83ae14f97
sha1
325de49801ad62772508ead4b34085ee35a7c8f5
sha256
7ee2d6ba27e81ae850dc2ec533f35ac236eca1b38a3834069ba62125454eae7b
sha512
4392c1b70544e51378a222a6f10bbc13d03c4641e84f63a1b1b13a91395bc0c685657ccb5a24a7384cb1bd973930dca56ce42b9e7ebe4357a5d1945f3bbc8041
ripemd-160
d2926139387e771f680819065e000b5404766a4f
Diameter
257868498
Circumference
810117778.90903
Area
5.2225963712592E+16
Volume
8.9782872127791E+24
Surface area
2.0890385485037E+17
Circumference
810117778.90903
Perimeter
515736996
Area
16624040565194001
Diagonal
182340563.59019
Surface area
99744243391164006
Volume
2.1434081856188E+24
Space diagonal
223320670.10374
Perimeter
386802747
Area
7.1984207215005E+15
Altitude
111660335.05187
Surface area
7.1984207215005E+15
Volume
2.526030771503E+23
Height
60780187.863397