128478841 is an odd 9-digits prime number following 128478840
and preceding 128478842 . In scientific notation, it is written as 1.28478841 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 128478840 positive integers (up to 128478841) that are relatively prime to 128478841.
128478841 has 2 divisors, whose sum is 128478842
The reverse of 128478841 is 148874821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred twenty-eight million four hundred seventy-eight thousand eight hundred forty-one
Scientific notation
1.28478841 × 10^8
Engineering notation
1.28478841 × 10^6
Prime Factorization
128478841
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128478841 Product of the distinct prime numbers
The prime factorization of 128478841 is 128478841.
Since it has a total of 1 prime factors.
2 , 7 , 19 , 26 , 403 , 210 , 6522 , 6092 , 23687 , 98369 , 11010 , 449150 , 1842366 , 5328741 , 48753001 , 74580660 , 687464908 , 80142491 , 5573282711 , 1984802538
n×2
256957682
n×3
385436523
n×4
513915364
n×5
642394205
n÷2
64239420.5
n÷3
42826280.333333
n÷3
32119710.25
n÷5
25695768.2
n2
16506812584703281
n3
2.1207761494869E+24
n4
2.7247486170652E+32
n5
3.5007254433689E+40
2 √n11334.850726851
3 √n504.59607736281
4 √n106.46525596105
5 √n41.856828824721
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128478842 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64239421 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11334.850770963 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844332 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128478841 can be divided by 2 positive divisors.
The sum of these divisors (counting 128478841) is 128478842, the average is 64239421.
Base
System
Value
2
Binary
111101010000110111001111001
3
Ternary
22221202101211121
4
Quaternary
13222012321321
5
Quinary
230342310331
6
Senary
20425425241
8
Octal
752067171
10
Decimal
128478841
12
Duodecimal
3703b221
16
Hexadecimal
7a86e79
20
Vigesimal
202jh21
36
Base36
24hqwp
md5
e127b16049dd353ddbb57e21143051b5
sha1
d50f0e92e37108e85ef6edbb1d8bae82888eb09e
sha256
fde36326a6e3324758afea244bbefc54e1d2cc3ca0d2969e226259e105ba5ce6
sha512
0883c9de188f823b70b8e240e832d0aa029edbae3f861ec3f7feacacd1d88b1701fc553e451605f6c5bfc276914dab57e96af05c59330d30c8ba8a746f380cec
ripemd-160
50c40962531293ce86ea5aeedc95103ad7227219
Diameter
256957682
Circumference
807256366.05466
Area
5.1857681150287E+16
Volume
8.8834863615153E+24
Surface area
2.0743072460115E+17
Circumference
807256366.05466
Perimeter
513915364
Area
16506812584703281
Diagonal
181696519.42018
Surface area
99040875508219686
Volume
2.1207761494869E+24
Space diagonal
222531880.30956
Perimeter
385436523
Area
7.1476595169309E+15
Altitude
111265940.15478
Surface area
7.1476595169309E+15
Volume
2.4993586611348E+23
Height
60565506.473392