128847984 is an even 9-digits composite number following 128847983
and preceding 128847985 . In scientific notation, it is written as 1.28847984 × 10^8.
The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors.
There are 42949312 positive integers (up to 128847984) that are relatively prime to 128847984.
128847984 has 20 divisors, whose sum is 332857416
The reverse of 128847984 is 489748821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-eight million eight hundred forty-seven thousand nine hundred eighty-four
Scientific notation
1.28847984 × 10^8
Engineering notation
1.28847984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 2684333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16105998
Product of the distinct prime numbers
The prime factorization of 128847984 is 2 × 2 × 2 × 2 × 3 × 2684333.
Since it has a total of 6 prime factors.
2 , 10 , 7 , 56 , 959 , 247 , 3658 , 3574 , 35950 , 42723 , 832662 , 4473 , 5153031 , 2793698 , 14145079 , 89676495 , 232255545 , 429256752 , 5795226156 , 452556961
n×2
257695968
n×3
386543952
n×4
515391936
n×5
644239920
n÷2
64423992
n÷3
42949328
n÷3
32211996
n÷5
25769596.8
n2
16601802980864256
n3
2.1391088448495E+24
n4
2.7561986221543E+32
n5
3.5513063596816E+40
2 √n
11351.122587656
3 √n
505.07888059727
4 √n
106.54164719797
5 √n
41.880853680808
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 2684333 , 5368666 , 8052999 , 10737332 , 16105998 , 21474664 , 32211996 , 42949328 , 64423992 , 128847984
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
-128847983
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 128847984 can be divided by 20 positive divisors.
The sum of these divisors (counting 128847984) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101011100001000001110000
3
Ternary
22222110011012120
4
Quaternary
13223201001300
5
Quinary
230441113414
6
Senary
20441354240
8
Octal
753410160
10
Decimal
128847984
12
Duodecimal
37198980
16
Hexadecimal
7ae1070
20
Vigesimal
2055jj4
36
Base36
24pnqo
md5
bbeae952d30ec4bdefd1072fbb35d884
sha1
dd5ddbfe727c68acb76c2c4e1122271f2c04f7c0
sha256
9926293a37ac6eb0a5e4d00e41604ef23e25704c42607bcb3303366b652e0635
sha512
10c07f65589cb90692b977a38ed2cc1f63e8b410c6c7d9b1a84f9d715fd99b80caf1c15494bdf98ee1991e381f4aa40923e2e33ffd79b8a32994c610afa48344
ripemd-160
f91282d7a2543463a3885032cfaf96813b6625e0
Diameter
257695968
Circumference
809575759.92851
Area
5.2156102281028E+16
Volume
8.9602781762777E+24
Surface area
2.0862440912411E+17
Circumference
809575759.92851
Perimeter
515391936
Area
16601802980864256
Diagonal
182218566.45723
Surface area
99610817885185536
Volume
2.1391088448495E+24
Space diagonal
223171254.74082
Perimeter
386543952
Area
7.1887915650263E+15
Altitude
111585627.37041
Surface area
7.1887915650263E+15
Volume
2.5209639498154E+23
Height
60739522.152411