128839664 is an even 9-digits composite number following 128839663
and preceding 128839665 . In scientific notation, it is written as 1.28839664 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 10 positive divisors.
There are 64419824 positive integers (up to 128839664) that are relatively prime to 128839664.
128839664 has 10 divisors, whose sum is 249626880
The reverse of 128839664 is 466938821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million eight hundred thirty-nine thousand six hundred sixty-four
Scientific notation
1.28839664 × 10^8
Engineering notation
1.28839664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8052479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16104958
Product of the distinct prime numbers
The prime factorization of 128839664 is 2 × 2 × 2 × 2 × 8052479.
Since it has a total of 5 prime factors.
4 , 8 , 60 , 55 , 248 , 875 , 6756 , 3585 , 75988 , 46485 , 44712 , 452333 , 9524731 , 1265193 , 46702718 , 4653931 , 895638884 , 888007297 , 4104364503 , 4533939675
n×2
257679328
n×3
386518992
n×4
515358656
n×5
644198320
n÷2
64419832
n÷3
42946554.666667
n÷3
32209916
n÷5
25767932.8
n2
16599659019632896
n3
2.1386944906041E+24
n4
2.7554867956808E+32
n5
3.5501599291195E+40
2 √n
11350.756098164
3 √n
505.06800900888
4 √n
106.53992724873
5 √n
41.880312798922
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
-128839663
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 128839664 can be divided by 10 positive divisors.
The sum of these divisors (counting 128839664) is 1, the average is 0.1.
Base
System
Value
2
Binary
111101011011110111111110000
3
Ternary
22222102201210102
4
Quaternary
13223132333300
5
Quinary
230440332124
6
Senary
20441251532
8
Octal
753367760
10
Decimal
128839664
12
Duodecimal
37193ba8
16
Hexadecimal
7adeff0
20
Vigesimal
2054j34
36
Base36
24phbk
md5
4b64f4dc74f543889b345e252f1a6ab8
sha1
6309d42c068c7e887dc28fbba0713b184e8db426
sha256
47fd0b19d5782b5941b5548c10d34c03ed1ce50e2e7c34dc05610790f97dfefb
sha512
e53d5e6b7c55bdcf1a6d6c9ea4e13a9097570a69609eecb115b311ba8262051b7e458fbb1eeebed2c72750130fd7f76940fff8ba54ab373e8f0b0861deeae9fe
ripemd-160
e6d247da5bf34b9cae5899fcff035fc4ac902e99
Diameter
257679328
Circumference
809523483.82675
Area
5.2149366828174E+16
Volume
8.958542533273E+24
Surface area
2.085974673127E+17
Circumference
809523483.82675
Perimeter
515358656
Area
16599659019632896
Diagonal
182206800.20039
Surface area
99597954117797376
Volume
2.1386944906041E+24
Space diagonal
223156844.0781
Perimeter
386518992
Area
7.1878632025808E+15
Altitude
111578422.03905
Surface area
7.1878632025808E+15
Volume
2.5204756286541E+23
Height
60735600.066798