128789040 is an even 9-digits composite number following 128789039
and preceding 128789041 . In scientific notation, it is written as 1.28789040 × 10^8.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 34343680 positive integers (up to 128789040) that are relatively prime to 128789040.
128789040 has 20 divisors, whose sum is 266164512
The reverse of 128789040 is 040987821
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million seven hundred eighty-nine thousand forty
Scientific notation
1.28789040 × 10^8
Engineering notation
1.28789040 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 536621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16098630
Product of the distinct prime numbers
The prime factorization of 128789040 is 2 × 2 × 2 × 2 × 15 × 536621.
Since it has a total of 6 prime factors.
7 , 3 , 92 , 70 , 154 , 369 , 5506 , 332 , 65221 , 6169 , 638445 , 630596 , 4338265 , 461577 , 15974374 , 3431859 , 424404047 , 34371021 , 4086563579 , 7498320497
n×2
257578080
n×3
386367120
n×4
515156160
n×5
643945200
n÷2
64394520
n÷3
42929680
n÷3
32197260
n÷5
25757808
n2
16586616824121600
n3
2.1361744576265E+24
n4
2.7511585767023E+32
n5
3.5431907198126E+40
2 √n
11348.525895463
3 √n
505.00184948511
4 √n
106.52946022328
5 √n
41.87702113828
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 536621 , 1073242 , 2146484 , 4292968 , 8049315 , 8585936 , 16098630 , 32197260 , 64394520 , 128789040
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128789039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128789040 can be divided by 20 positive divisors.
The sum of these divisors (counting 128789040) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101011010010101000110000
3
Ternary
22222100011100110
4
Quaternary
13223102220300
5
Quinary
230432222130
6
Senary
20440221320
8
Octal
753225060
10
Decimal
128789040
12
Duodecimal
3716a840
16
Hexadecimal
7ad2a30
20
Vigesimal
204icc0
36
Base36
24oe9c
md5
ee49d89899007eeb69202a6242ff671d
sha1
bd030254a785542eee4e5d6308d3e61b7797472c
sha256
62ba987a70db8fb9a00edded72c7015bb615b9e171dfdd55325be47a8189af2b
sha512
7d3e8e6b1297e6bd235d482e3ec6dbd67b12346cd40db7d0e20ae814f3b4f04af6c4bb9a539fde6aae7f2b25b9e21edc06dd07a80e4b137f251c2ab583c1002b
ripemd-160
0b99b1a88d8e5bc9e29777d89e44fede09277beb
Diameter
257578080
Circumference
809205403.85376
Area
5.2108393562569E+16
Volume
8.9479866438206E+24
Surface area
2.0843357425028E+17
Circumference
809205403.85376
Perimeter
515156160
Area
16586616824121600
Diagonal
182135207.05301
Surface area
99519700944729600
Volume
2.1361744576265E+24
Space diagonal
223069160.73802
Perimeter
386367120
Area
7.1822157662638E+15
Altitude
111534580.36901
Surface area
7.1822157662638E+15
Volume
2.5175057413086E+23
Height
60711735.684337