128220401 is an odd 9-digits composite number following 128220400
and preceding 128220402 . In scientific notation, it is written as 1.28220401 × 10^8.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 127237680 positive integers (up to 128220401) that are relatively prime to 128220401.
128220401 has 8 divisors, whose sum is 129206784
The reverse of 128220401 is 104022821
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-eight million two hundred twenty thousand four hundred one
Scientific notation
1.28220401 × 10^8
Engineering notation
1.28220401 × 10^6
Prime Factorization
191 × 787 × 853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128220401
Product of the distinct prime numbers
The prime factorization of 128220401 is 191 × 787 × 853.
Since it has a total of 3 prime factors.
8 , 3 , 44 , 32 , 614 , 225 , 4761 , 473 , 18117 , 74614 , 942174 , 541730 , 7625090 , 7100665 , 37633801 , 84897131 , 587856003 , 380418386 , 2856553779 , 5642731394
n×2
256440802
n×3
384661203
n×4
512881604
n×5
641102005
n÷2
64110200.5
n÷3
42740133.666667
n÷3
32055100.25
n÷5
25644080.2
n2
16440471232600801
n3
2.108003814073E+24
n4
2.7028909434997E+32
n5
3.4656576063481E+40
2 √n
11323.444749722
3 √n
504.25751228047
4 √n
106.41167581484
5 √n
41.839975943449
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128220400
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128220401 can be divided by 8 positive divisors.
The sum of these divisors (counting 128220401) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001000111110011110001
3
Ternary
22221021021022202
4
Quaternary
13221013303301
5
Quinary
230311023101
6
Senary
20420112545
8
Octal
751076361
10
Decimal
128220401
12
Duodecimal
36b35755
16
Hexadecimal
7a47cf1
20
Vigesimal
2017b01
36
Base36
24c7ht
md5
4e2dec43e142694e58495cc8cfdfd9b3
sha1
7f19a852314a51267a78af204b8f56e0eec7176d
sha256
9a86380b728d1115f06d7561bd8c4e2bcf2b06345b122095bca81a36ba7a72a3
sha512
6d574aefe9dc4740a79e38b7278d16fba1ec39befb56e767a9f0398851020fea8d6c069c160f0db447b1a48b779cc63c5812b6d6b82a800643653829b2da3fc8
ripemd-160
503a05cfd73d45865475e23e76618f6cc8b98c7c
Diameter
256440802
Circumference
805632539.64387
Area
5.1649263645893E+16
Volume
8.8299857280415E+24
Surface area
2.0659705458357E+17
Circumference
805632539.64387
Perimeter
512881604
Area
16440471232600801
Diagonal
181331030.06712
Surface area
98642827395604806
Volume
2.108003814073E+24
Space diagonal
222084249.09886
Perimeter
384661203
Area
7.1189328688098E+15
Altitude
111042124.54943
Surface area
7.1189328688098E+15
Volume
2.4843063194969E+23
Height
60443676.689039