128049457 is an odd 9-digits composite number following 128049456
and preceding 128049458 . In scientific notation, it is written as 1.28049457 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 120429312 positive integers (up to 128049457) that are relatively prime to 128049457.
128049457 has 8 divisors, whose sum is 135680616
The reverse of 128049457 is 754940821
Previous prime number is 2797
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million forty-nine thousand four hundred fifty-seven
Scientific notation
1.28049457 × 10^8
Engineering notation
1.28049457 × 10^6
Prime Factorization
17 × 2797 × 2693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128049457
Product of the distinct prime numbers
The prime factorization of 128049457 is 17 × 2797 × 2693.
Since it has a total of 3 prime factors.
8 , 6 , 69 , 41 , 557 , 833 , 5869 , 1267 , 68056 , 20041 , 410225 , 848879 , 6427748 , 9474804 , 28350158 , 5820624 , 619942509 , 618987318 , 8923381928 , 3439524985
n×2
256098914
n×3
384148371
n×4
512197828
n×5
640247285
n÷2
64024728.5
n÷3
42683152.333333
n÷3
32012364.25
n÷5
25609891.4
n2
16396663437994849
n3
2.099583849847E+24
n4
2.6885057189888E+32
n5
3.4426169745791E+40
2 √n
11315.89399915
3 √n
504.0333198451
4 √n
106.37619094116
5 √n
41.828813741439
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
-128049456
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 128049457 can be divided by 8 positive divisors.
The sum of these divisors (counting 128049457) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000011110000100110001
3
Ternary
22220221120211111
4
Quaternary
13220132010301
5
Quinary
230240040312
6
Senary
20412313321
8
Octal
750360461
10
Decimal
128049457
12
Duodecimal
36a72841
16
Hexadecimal
7a1e131
20
Vigesimal
20063ch
36
Base36
248jld
md5
857092a8122becdf5a23426492542bcc
sha1
ee9a5b0afc78b80c0eaa195eb923f90cc9265dcb
sha256
7f3e78f88a0aae59ec85bc1ae56e877938d8a103f1237b178fdb5ae48b9ce62e
sha512
d82819e2ba1151c633ea4d1c743ff176fb288001a06162d11de3bec9dcc3ffa63a9d1629a0a69ba34c6175232695f246322be55b3b9437874a8b32bc7f93a915
ripemd-160
dca0f41394a6326725792ab617400531eea5fa74
Diameter
256098914
Circumference
804558466.81472
Area
5.1511637400189E+16
Volume
8.7947162643668E+24
Surface area
2.0604654960076E+17
Circumference
804558466.81472
Perimeter
512197828
Area
16396663437994849
Diagonal
181089278.74391
Surface area
98379980627969094
Volume
2.099583849847E+24
Space diagonal
221788165.40561
Perimeter
384148371
Area
7.0999635373035E+15
Altitude
110894082.7028
Surface area
7.0999635373035E+15
Volume
2.4743832964943E+23
Height
60363092.914637