128220999 is an odd 9-digits composite number following 128220998
and preceding 128221000 . In scientific notation, it is written as 1.28220999 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 85480664 positive integers (up to 128220999) that are relatively prime to 128220999.
128220999 has 4 divisors, whose sum is 170961336
The reverse of 128220999 is 999022821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million two hundred twenty thousand nine hundred ninety-nine
Scientific notation
1.28220999 × 10^8
Engineering notation
1.28220999 × 10^6
Prime Factorization
3 × 42740333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128220999
Product of the distinct prime numbers
The prime factorization of 128220999 is 3 × 42740333.
Since it has a total of 2 prime factors.
1 , 9 , 80 , 82 , 743 , 597 , 9020 , 7949 , 28054 , 95158 , 54600 , 649974 , 2771841 , 7549328 , 1547125 , 10846999 , 508298136 , 787386200 , 2144743085 , 4265473035
n×2
256441998
n×3
384662997
n×4
512883996
n×5
641104995
n÷2
64110499.5
n÷3
42740333
n÷3
32055249.75
n÷5
25644199.8
n2
16440624584558001
n3
2.108033308416E+24
n4
2.7029413673037E+32
n5
3.4657384235411E+40
2 √n
11323.471155083
3 √n
504.25829620545
4 √n
106.41179988649
5 √n
41.840014970404
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128220998
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128220999 can be divided by 4 positive divisors.
The sum of these divisors (counting 128220999) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001000111111101000111
3
Ternary
22221021022010220
4
Quaternary
13221013331013
5
Quinary
230311032444
6
Senary
20420115423
8
Octal
751077507
10
Decimal
128220999
12
Duodecimal
36b35b73
16
Hexadecimal
7a47f47
20
Vigesimal
2017c9j
36
Base36
24c7yf
md5
37335c7284f98125d44e67a2aafe501d
sha1
de4ff2e7b51200a8edc7e97edd4ef5ac0ae278ab
sha256
738fea83b1215743118e7b89ba1df3a71d9e0f884d7b248b3b70f2d3a1975bff
sha512
9352dbc37226e5544c54f75367116f83297eede2857053186d5546ae9d9c53e0431500bf391bebccb1c9722095da39b50d0047874235b3ac9e94437bb924dbcb
ripemd-160
f0a1a79ca96a5f86e7c2686a4a2a8001d6aeb54b
Diameter
256441998
Circumference
805636296.98869
Area
5.1649745415275E+16
Volume
8.8301092736563E+24
Surface area
2.065989816611E+17
Circumference
805636296.98869
Perimeter
512883996
Area
16440624584558001
Diagonal
181331875.76683
Surface area
98643747507348006
Volume
2.108033308416E+24
Space diagonal
222085284.86524
Perimeter
384662997
Area
7.1189992721551E+15
Altitude
111042642.43262
Surface area
7.1189992721551E+15
Volume
2.4843410789134E+23
Height
60443958.588942