128247495 is an odd 9-digits composite number following 128247494
and preceding 128247496 . In scientific notation, it is written as 1.28247495 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 66972672 positive integers (up to 128247495) that are relatively prime to 128247495.
128247495 has 8 divisors, whose sum is 129297312
The reverse of 128247495 is 594742821
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million two hundred forty-seven thousand four hundred ninety-five
Scientific notation
1.28247495 × 10^8
Engineering notation
1.28247495 × 10^6
Prime Factorization
1095 × 173 × 677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128247495
Product of the distinct prime numbers
The prime factorization of 128247495 is 1095 × 173 × 677.
Since it has a total of 3 prime factors.
7 , 2 , 64 , 24 , 304 , 110 , 8859 , 7705 , 79034 , 3856 , 85250 , 391544 , 8132897 , 1691829 , 30193219 , 14481398 , 658021822 , 551486774 , 9378810154 , 9828469703
n×2
256494990
n×3
384742485
n×4
512989980
n×5
641237475
n÷2
64123747.5
n÷3
42749165
n÷3
32061873.75
n÷5
25649499
n2
16447419973775025
n3
2.1093404108496E+24
n4
2.7051762379373E+32
n5
3.4693207604899E+40
2 √n
11324.641053914
3 √n
504.29302766576
4 √n
106.41729677977
5 √n
41.841744018568
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
-128247494
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 128247495 can be divided by 8 positive divisors.
The sum of these divisors (counting 128247495) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001001110011011000111
3
Ternary
22221022122111020
4
Quaternary
13221032123013
5
Quinary
230312404440
6
Senary
20420442223
8
Octal
751163307
10
Decimal
128247495
12
Duodecimal
36b49373
16
Hexadecimal
7a4e6c7
20
Vigesimal
201aief
36
Base36
24csef
md5
f67e365b09c4bf4219798274f24a5a4b
sha1
c6d8a2555f2ba568656a8f1940372447f1d22e97
sha256
a545892c898fb08be1e78772428bc0e484af4129e158b9eb8eebb237247f2706
sha512
5b6fc1c6f59cc6135b283b066146093407c29508ae66a94c82d3c1734e6ac817cd8d65be4dbd87c9e60ca6c1aef0666111dc7a00530d77d30f7a035734475f0a
ripemd-160
c5b73a24df650ca3139d533e19bb58023003857b
Diameter
256494990
Circumference
805802776.26659
Area
5.1671093760118E+16
Volume
8.835584451527E+24
Surface area
2.0668437504047E+17
Circumference
805802776.26659
Perimeter
512989980
Area
16447419973775025
Diagonal
181369346.76938
Surface area
98684519842650150
Volume
2.1093404108496E+24
Space diagonal
222131177.28344
Perimeter
384742485
Area
7.1219417620004E+15
Altitude
111065588.64172
Surface area
7.1219417620004E+15
Volume
2.4858815139043E+23
Height
60456448.923125