128944984 is an even 9-digits composite number following 128944983
and preceding 128944985 . In scientific notation, it is written as 1.28944984 × 10^8.
The sum of its digits is 49. It has a total of 6 prime factors and 32 positive divisors.
There are 54435744 positive integers (up to 128944984) that are relatively prime to 128944984.
128944984 has 32 divisors, whose sum is 280442880
The reverse of 128944984 is 489449821
Previous prime number is 67
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-eight million nine hundred forty-four thousand nine hundred eighty-four
Scientific notation
1.28944984 × 10^8
Engineering notation
1.28944984 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 67 × 34367
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
32236246 Product of the distinct prime numbers
The prime factorization of 128944984 is 2 × 2 × 2 × 7 × 67 × 34367.
Since it has a total of 6 prime factors.
3 , 2 , 39 , 21 , 720 , 627 , 3371 , 2761 , 36922 , 65583 , 106447 , 800617 , 3602429 , 894151 , 50344050 , 6182295 , 109629950 , 699481611 , 4212316952 , 643534991
n×2
257889968
n×3
386834952
n×4
515779936
n×5
644724920
n÷2
64472492
n÷3
42981661.333333
n÷3
32236246
n÷5
25788996.8
n2
16626808898760256
n3
2.1439436074217E+24
n4
2.7645077415589E+32
n5
3.5646940650319E+40
2 √n11355.394488964
3 √n505.20559416245
4 √n106.56169334693
5 √n41.887157574605
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 67 , 134 , 268 , 469 , 536 , 938 , 1876 , 3752 , 34367 , 68734 , 137468 , 240569 , 274936 , 481138 , 962276 , 1924552 , 2302589 , 4605178 , 9210356 , 16118123 , 18420712 , 32236246 , 64472492 , 128944984
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128944983 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128944984 can be divided by 32 positive divisors.
The sum of these divisors (counting 128944984) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101011111000101101011000
3
Ternary
22222122002021011
4
Quaternary
13223320231120
5
Quinary
231002214414
6
Senary
20443423304
8
Octal
753705530
10
Decimal
128944984
12
Duodecimal
37224b34
16
Hexadecimal
7af8b58
20
Vigesimal
205i294
36
Base36
24rql4
md5
97c8c17f7e18589f36009fe883e8d37c
sha1
738eb32d1cfcbcd4cd42e997cfb99e1f224c7716
sha256
21bbe3008362136c912ad68e0091b07e880d06ad3be2b5daed28469add1ad956
sha512
8931d525132302cb6c3ae87795ebc8fcfc9dcedd63188a732b71d807df718e13bd943293ae1421e8f1a807075a4c10586cdfa1bc83d97baf6d5e92d1c700f493
ripemd-160
46211436fc2af8cb2799e2d37fc8e11741214a0b
Diameter
257889968
Circumference
810185228.90331
Area
5.2234660688987E+16
Volume
8.9805299823824E+24
Surface area
2.0893864275595E+17
Circumference
810185228.90331
Perimeter
515779936
Area
16626808898760256
Diagonal
182355745.17278
Surface area
99760853392561536
Volume
2.1439436074217E+24
Space diagonal
223339263.66916
Perimeter
386834952
Area
7.1996194450978E+15
Altitude
111669631.83458
Surface area
7.1996194450978E+15
Volume
2.5266617721491E+23
Height
60785248.390927