128202291 is an odd 9-digits composite number following 128202290
and preceding 128202292 . In scientific notation, it is written as 1.28202291 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 69365808 positive integers (up to 128202291) that are relatively prime to 128202291.
128202291 has 16 divisors, whose sum is 139571200
The reverse of 128202291 is 192202821
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million two hundred two thousand two hundred ninety-one
Scientific notation
1.28202291 × 10^8
Engineering notation
1.28202291 × 10^6
Prime Factorization
57 × 63 × 19 × 1879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128202291
Product of the distinct prime numbers
The prime factorization of 128202291 is 57 × 63 × 19 × 1879.
Since it has a total of 4 prime factors.
6 , 10 , 6 , 36 , 564 , 143 , 1940 , 401 , 99824 , 13044 , 870132 , 181340 , 2852717 , 9807860 , 99180069 , 39291298 , 928041310 , 803716931 , 6840408265 , 1769790835
n×2
256404582
n×3
384606873
n×4
512809164
n×5
641011455
n÷2
64101145.5
n÷3
42734097
n÷3
32050572.75
n÷5
25640458.2
n2
16435827417648681
n3
2.1071107294232E+24
n4
2.7013642290273E+32
n5
3.4632108298675E+40
2 √n
11322.645053167
3 √n
504.23377052161
4 √n
106.40791818829
5 √n
41.838793971204
1 , 19 , 57 , 63 , 1083 , 1197 , 1879 , 3591 , 35701 , 68229 , 107103 , 118377 , 2034957 , 2249163 , 6747489 , 128202291
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128202290
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128202291 can be divided by 16 positive divisors.
The sum of these divisors (counting 128202291) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000011011000110011
3
Ternary
22221020100111000
4
Quaternary
13221003120303
5
Quinary
230304433131
6
Senary
20415453043
8
Octal
751033063
10
Decimal
128202291
12
Duodecimal
36b27183
16
Hexadecimal
7a43633
20
Vigesimal
20155eb
36
Base36
24btir
md5
a2cc272f0e28ae92b508d85e61b7712a
sha1
2911900349fa1e3f7a0b55200bd0eec97b51e8da
sha256
1c6c1ebd5ecf1c1381fffd4a67135c2d067817198dd5009076bfe5e00c0e6ca6
sha512
cf9bf8d67d9e988a6313d332ec499f2f1d280f42d02dff4a51c27c83d15519ec9c1e5eb3c0eb2da391f172e722a835541efa221e21cd0b6445e7354b105b66df
ripemd-160
6fac29aaccc476be98116f2ecd10593cebe48f98
Diameter
256404582
Circumference
805518751.15796
Area
5.1634674670955E+16
Volume
8.8262447838081E+24
Surface area
2.0653869868382E+17
Circumference
805518751.15796
Perimeter
512809164
Area
16435827417648681
Diagonal
181305418.6595
Surface area
98614964505892086
Volume
2.1071107294232E+24
Space diagonal
222052881.65873
Perimeter
384606873
Area
7.1169220379503E+15
Altitude
111026440.82937
Surface area
7.1169220379503E+15
Volume
2.4832538091434E+23
Height
60435139.553167