128213235 is an odd 9-digits composite number following 128213234
and preceding 128213236 . In scientific notation, it is written as 1.28213235 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 60963840 positive integers (up to 128213235) that are relatively prime to 128213235.
128213235 has 8 divisors, whose sum is 131483088
The reverse of 128213235 is 532312821
Previous prime number is 323
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million two hundred thirteen thousand two hundred thirty-five
Scientific notation
1.28213235 × 10^8
Engineering notation
1.28213235 × 10^6
Prime Factorization
45 × 323 × 8821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128213235
Product of the distinct prime numbers
The prime factorization of 128213235 is 45 × 323 × 8821.
Since it has a total of 3 prime factors.
2 , 5 , 35 , 47 , 684 , 232 , 1871 , 9595 , 57063 , 8995 , 607140 , 533306 , 8439836 , 9702737 , 22318290 , 89968844 , 518971730 , 75371908 , 270045554 , 667558994
n×2
256426470
n×3
384639705
n×4
512852940
n×5
641066175
n÷2
64106617.5
n÷3
42737745
n÷3
32053308.75
n÷5
25642647
n2
16438633629165225
n3
2.1076503965751E+24
n4
2.7022867559392E+32
n5
3.4646892687662E+40
2 √n
11323.128322155
3 √n
504.24811810029
4 √n
106.41018899596
5 √n
41.839508261289
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
-128213234
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 128213235 can be divided by 8 positive divisors.
The sum of these divisors (counting 128213235) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001000110000011110011
3
Ternary
22221020220111100
4
Quaternary
13221012003303
5
Quinary
230310310420
6
Senary
20420015443
8
Octal
751060363
10
Decimal
128213235
12
Duodecimal
36b31583
16
Hexadecimal
7a460f3
20
Vigesimal
2016d1f
36
Base36
24c1yr
md5
7826571c852a2c1ebda7033c276e4387
sha1
7e67cd10ca54a99ef56a776bec3064817edb474d
sha256
af95b51e0e7c0ebcba337eed36943bc5760b4ad4147d1519f8f81f7ea9035567
sha512
5151e2b0fdda624a0ec6b8b64e84ae50a116c227b7bef41f9111aee4da604023d030ae5771958b190123ff0e0de7d4d05de1bd56363403aacd4fb7855cb9a6e9
ripemd-160
8ba347c0f4abf26d39ff59799e0bc8a27e0d6678
Diameter
256426470
Circumference
805587514.33796
Area
5.164349064444E+16
Volume
8.8285053362878E+24
Surface area
2.0657396257776E+17
Circumference
805587514.33796
Perimeter
512852940
Area
16438633629165225
Diagonal
181320895.81273
Surface area
98631801774991350
Volume
2.1076503965751E+24
Space diagonal
222071837.22277
Perimeter
384639705
Area
7.1181371631811E+15
Altitude
111035918.61138
Surface area
7.1181371631811E+15
Volume
2.4838898129812E+23
Height
60440298.604243