128840270 is an even 9-digits composite number following 128840269
and preceding 128840271 . In scientific notation, it is written as 1.28840270 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 47571744 positive integers (up to 128840270) that are relatively prime to 128840270.
128840270 has 8 divisors, whose sum is 196233840
The reverse of 128840270 is 072048821
Previous prime number is 65
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million eight hundred forty thousand two hundred seventy
Scientific notation
1.28840270 × 10^8
Engineering notation
1.28840270 × 10^6
Prime Factorization
2 × 65 × 991079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128840270
Product of the distinct prime numbers
The prime factorization of 128840270 is 2 × 65 × 991079.
Since it has a total of 3 prime factors.
5 , 1 , 81 , 74 , 46 , 752 , 7632 , 1258 , 53005 , 61877 , 884289 , 689715 , 3426978 , 2498920 , 31929057 , 65842737 , 371086715 , 143256153 , 6575093299 , 2331482194
n×2
257680540
n×3
386520810
n×4
515361080
n×5
644201350
n÷2
64420135
n÷3
42946756.666667
n÷3
32210067.5
n÷5
25768054
n2
16599815173672900
n3
2.1387246689261E+24
n4
2.755538638001E+32
n5
3.5502434211548E+40
2 √n
11350.782792389
3 √n
505.06880087355
4 √n
106.54005252669
5 √n
41.880352195829
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
-128840269
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 128840270 can be divided by 8 positive divisors.
The sum of these divisors (counting 128840270) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011011111001001001110
3
Ternary
22222102202121212
4
Quaternary
13223133021032
5
Quinary
230440342040
6
Senary
20441254422
8
Octal
753371116
10
Decimal
128840270
12
Duodecimal
37194412
16
Hexadecimal
7adf24e
20
Vigesimal
20550da
36
Base36
24phse
md5
ddc40c8823eef1109ba940307cbd672e
sha1
70d7c9e95cd21c0e0eaa0aea8cd988ff2fa26754
sha256
72e6c24232ab2c895d77e78066f981a183aad43b8a41542a4095e96eca48a010
sha512
0109f77cc3ee5488bfe4fec5946bbcf6fdd0a0e07ea723121801ec80b57b4b4dbcddbecc342fea6d2f798629fccca690ce019e143354da927987318d9f926beb
ripemd-160
9aa0119a5d5e844a48e7f8aee09f2903fbf81fb1
Diameter
257680540
Circumference
809527291.43705
Area
5.2149857400559E+16
Volume
8.9586689439327E+24
Surface area
2.0859942960224E+17
Circumference
809527291.43705
Perimeter
515361080
Area
16599815173672900
Diagonal
182207657.21381
Surface area
99598891042037400
Volume
2.1387246689261E+24
Space diagonal
223157893.70089
Perimeter
386520810
Area
7.1879308192636E+15
Altitude
111578946.85045
Surface area
7.1879308192636E+15
Volume
2.5205111941477E+23
Height
60735885.737937