128248879 is an odd 9-digits composite number following 128248878
and preceding 128248880 . In scientific notation, it is written as 1.28248879 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 109784160 positive integers (up to 128248879) that are relatively prime to 128248879.
128248879 has 16 divisors, whose sum is 148164480
The reverse of 128248879 is 978842821
Previous prime number is 19
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-eight million two hundred forty-eight thousand eight hundred seventy-nine
Scientific notation
1.28248879 × 10^8
Engineering notation
1.28248879 × 10^6
Prime Factorization
173 × 11 × 19 × 3547
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128248879 Product of the distinct prime numbers
The prime factorization of 128248879 is 173 × 11 × 19 × 3547.
Since it has a total of 4 prime factors.
6 , 8 , 21 , 69 , 708 , 914 , 429 , 9134 , 62334 , 72155 , 193196 , 321278 , 2474724 , 8849089 , 6192661 , 69359016 , 32695596 , 577467997 , 4180872856 , 9017594649
n×2
256497758
n×3
384746637
n×4
512995516
n×5
641244395
n÷2
64124439.5
n÷3
42749626.333333
n÷3
32062219.75
n÷5
25649775.8
n2
16447774964756641
n3
2.1094087012743E+24
n4
2.7052930129128E+32
n5
3.4695079627259E+40
2 √n11324.702159439
3 √n504.29484170779
4 √n106.41758388273
5 √n41.841834326334
1 , 11 , 19 , 173 , 209 , 1903 , 3287 , 3547 , 36157 , 39017 , 67393 , 613631 , 741323 , 6749941 , 11658989 , 128248879
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
-128248878 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 128248879 can be divided by 16 positive divisors.
The sum of these divisors (counting 128248879) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001110110000101111
3
Ternary
22221022201101111
4
Quaternary
13221032300233
5
Quinary
230312431004
6
Senary
20420452451
8
Octal
751166057
10
Decimal
128248879
12
Duodecimal
36b4a127
16
Hexadecimal
7a4ec2f
20
Vigesimal
201b23j
36
Base36
24ctgv
md5
aac67f4a5e9ffe2ffaeab40ce5457d62
sha1
a86e55603ea680e50aaf4d497a57344570b394f5
sha256
6624a03c6f701e98650e1afa47d55ceda859f6551b94e278d1027284dfbcbfc9
sha512
e48a66597b950b916e42018eac63cc0f491979a2a2e1278663e4f703b09c0c7c055e300bada4b4bdad8147d5a2bd8209a635be1c3627095e4e66a308ff47e3db
ripemd-160
0c5399919db438e747d241338ab9ffc0408649cd
Diameter
256497758
Circumference
805811472.19505
Area
5.1672208997178E+16
Volume
8.835870505789E+24
Surface area
2.0668883598871E+17
Circumference
805811472.19505
Perimeter
512995516
Area
16447774964756641
Diagonal
181371304.04095
Surface area
98686649788539846
Volume
2.1094087012743E+24
Space diagonal
222133574.44175
Perimeter
384746637
Area
7.1220954776045E+15
Altitude
111066787.22088
Surface area
7.1220954776045E+15
Volume
2.4859619949416E+23
Height
60457101.346982