128855984 is an even 9-digits composite number following 128855983
and preceding 128855985 . In scientific notation, it is written as 1.28855984 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 10 positive divisors.
There are 64427984 positive integers (up to 128855984) that are relatively prime to 128855984.
128855984 has 10 divisors, whose sum is 249658500
The reverse of 128855984 is 489558821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-eight million eight hundred fifty-five thousand nine hundred eighty-four
Scientific notation
1.28855984 × 10^8
Engineering notation
1.28855984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8053499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16106998
Product of the distinct prime numbers
The prime factorization of 128855984 is 2 × 2 × 2 × 2 × 8053499.
Since it has a total of 5 prime factors.
4 , 10 , 51 , 52 , 121 , 691 , 6945 , 5213 , 66424 , 75782 , 532283 , 908622 , 3747866 , 845621 , 10159155 , 21614626 , 899335309 , 716310878 , 5052940462 , 4584489300
n×2
257711968
n×3
386567952
n×4
515423936
n×5
644279920
n÷2
64427992
n÷3
42951994.666667
n÷3
32213996
n÷5
25771196.8
n2
16603864612608256
n3
2.1395073128604E+24
n4
2.7568832007382E+32
n5
3.552408976042E+40
2 √n
11351.474970241
3 √n
505.0893336063
4 √n
106.54330091677
5 √n
41.881373733195
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128855983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128855984 can be divided by 10 positive divisors.
The sum of these divisors (counting 128855984) is 1, the average is 0.1.
Base
System
Value
2
Binary
111101011100010111110110000
3
Ternary
22222110120011212
4
Quaternary
13223202332300
5
Quinary
230441342414
6
Senary
20441455252
8
Octal
753427660
10
Decimal
128855984
12
Duodecimal
371a1528
16
Hexadecimal
7ae2fb0
20
Vigesimal
2056jj4
36
Base36
24ptww
md5
0ec2cb71c9e56697a71f81affff0856d
sha1
9152cc9798ab32740edff72f5e3d184323fd7c58
sha256
46c16ad6c8dbac1fd2cbb076621eaeefd40c6dd496fe066394c2bc1ac0683de1
sha512
148ade4008ee87aae673d7db534c8c0b32e3ceb726c3cd57c7485582a2e98c25bda7235691a5e9189599a6abf100ce677e19689d534e610b3eea7bb1d2d33be8
ripemd-160
4cc03000d2ab253c21db55e6e707d6fa637a357c
Diameter
257711968
Circumference
809626025.41097
Area
5.216257908817E+16
Volume
8.9619472751786E+24
Surface area
2.0865031635268E+17
Circumference
809626025.41097
Perimeter
515423936
Area
16603864612608256
Diagonal
182229880.16573
Surface area
99623187675649536
Volume
2.1395073128604E+24
Space diagonal
223185111.14728
Perimeter
386567952
Area
7.1896842777581E+15
Altitude
111592555.57364
Surface area
7.1896842777581E+15
Volume
2.5214335488697E+23
Height
60743293.388577