128243397 is an odd 9-digits composite number following 128243396
and preceding 128243398 . In scientific notation, it is written as 1.28243397 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 85412000 positive integers (up to 128243397) that are relatively prime to 128243397.
128243397 has 8 divisors, whose sum is 171158400
The reverse of 128243397 is 793342821
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million two hundred forty-three thousand three hundred ninety-seven
Scientific notation
1.28243397 × 10^8
Engineering notation
1.28243397 × 10^6
Prime Factorization
3 × 1049 × 40751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128243397
Product of the distinct prime numbers
The prime factorization of 128243397 is 3 × 1049 × 40751.
Since it has a total of 3 prime factors.
2 , 10 , 29 , 87 , 571 , 548 , 7923 , 4444 , 9871 , 55961 , 824194 , 339162 , 5066747 , 7054409 , 46022046 , 33323466 , 182427205 , 637837441 , 8925967073 , 6360656900
n×2
256486794
n×3
384730191
n×4
512973588
n×5
641216985
n÷2
64121698.5
n÷3
42747799
n÷3
32060849.25
n÷5
25648679.4
n2
16446368874099609
n3
2.1091382127296E+24
n4
2.7048304914295E+32
n5
3.468766505301E+40
2 √n
11324.460119582
3 √n
504.28765624222
4 √n
106.41644665925
5 √n
41.841476614268
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
-128243396
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 128243397 can be divided by 8 positive divisors.
The sum of these divisors (counting 128243397) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001001101011011000101
3
Ternary
22221022102212110
4
Quaternary
13221031123011
5
Quinary
230312242042
6
Senary
20420411233
8
Octal
751153305
10
Decimal
128243397
12
Duodecimal
36b46b19
16
Hexadecimal
7a4d6c5
20
Vigesimal
201a89h
36
Base36
24cp8l
md5
e612770fff1398f05e754270a0588b8a
sha1
ff3b5accd83afebfadf4d0e20bb255e6bac289c4
sha256
f7cc126872b8ec51d5a2917932652fca9658ad3451553ec3cb33d7579534c725
sha512
05e3476c3d1d097b06815c96a17a6178fdd729d58019d3c94c8905aaf9c6a145efff260b792cb8f39cc6ef5b24d24be45d5dbe9bd9900033f009e0ee243869fa
ripemd-160
d7a3b95023c8f53cb70e7291f281aec59593e495
Diameter
256486794
Circumference
805777027.7732
Area
5.1667791633099E+16
Volume
8.8347374860224E+24
Surface area
2.066711665324E+17
Circumference
805777027.7732
Perimeter
512973588
Area
16446368874099609
Diagonal
181363551.3222
Surface area
98678213244597654
Volume
2.1091382127296E+24
Space diagonal
222124079.33923
Perimeter
384730191
Area
7.12148662249E+15
Altitude
111062039.66961
Surface area
7.12148662249E+15
Volume
2.4856432211346E+23
Height
60454517.107399