128840783 is an odd 9-digits composite number following 128840782
and preceding 128840784 . In scientific notation, it is written as 1.28840783 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 128816688 positive integers (up to 128840783) that are relatively prime to 128840783.
128840783 has 4 divisors, whose sum is 128864880
The reverse of 128840783 is 387048821
Previous prime number is 16087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million eight hundred forty thousand seven hundred eighty-three
Scientific notation
1.28840783 × 10^8
Engineering notation
1.28840783 × 10^6
Prime Factorization
16087 × 8009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128840783
Product of the distinct prime numbers
The prime factorization of 128840783 is 16087 × 8009.
Since it has a total of 2 prime factors.
3 , 6 , 58 , 85 , 88 , 884 , 1716 , 4696 , 6432 , 64144 , 286607 , 884354 , 1732303 , 8100704 , 62441642 , 86349347 , 925905598 , 347108020 , 3572914425 , 4256131503
n×2
257681566
n×3
386522349
n×4
515363132
n×5
644203915
n÷2
64420391.5
n÷3
42946927.666667
n÷3
32210195.75
n÷5
25768156.6
n2
16599947364053089
n3
2.1387502161434E+24
n4
2.7555825248933E+32
n5
3.5503141012837E+40
2 √n
11350.805389927
3 √n
505.06947121249
4 √n
106.54015857848
5 √n
41.880385546561
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
-128840782
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 128840783 can be divided by 4 positive divisors.
The sum of these divisors (counting 128840783) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011011111010001001111
3
Ternary
22222102210022212
4
Quaternary
13223133101033
5
Quinary
230440401113
6
Senary
20441301035
8
Octal
753372117
10
Decimal
128840783
12
Duodecimal
3719477b
16
Hexadecimal
7adf44f
20
Vigesimal
20551j3
36
Base36
24pi6n
md5
6dd905323f446d94b79d38047f1f49e9
sha1
01b29bd6ae7413068aa2b215829930230d679c90
sha256
ecdbb6695a1cb1be3ec18f4ff69ed12d07f71ca854ae27463db32d1175924b99
sha512
c453783c69822259d0bfdce779cd07fd2ab77e9bb5c044829ca37ab54c5735460d10f82030583cea559b6ba7160c8bcc70a840868015f832f43381898af70698
ripemd-160
3c844f38ffd396a2eb06af1059ff563ce067e252
Diameter
257681566
Circumference
809530514.71111
Area
5.2150272688886E+16
Volume
8.9587759558662E+24
Surface area
2.0860109075555E+17
Circumference
809530514.71111
Perimeter
515363132
Area
16599947364053089
Diagonal
182208382.70537
Surface area
99599684184318534
Volume
2.1387502161434E+24
Space diagonal
223158782.24296
Perimeter
386522349
Area
7.1879880593773E+15
Altitude
111579391.12148
Surface area
7.1879880593773E+15
Volume
2.520541301832E+23
Height
60736127.568456