128763457 is an odd 9-digits composite number following 128763456
and preceding 128763458 . In scientific notation, it is written as 1.28763457 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 117798912 positive integers (up to 128763457) that are relatively prime to 128763457.
128763457 has 16 divisors, whose sum is 140184000
The reverse of 128763457 is 754367821
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million seven hundred sixty-three thousand four hundred fifty-seven
Scientific notation
1.28763457 × 10^8
Engineering notation
1.28763457 × 10^6
Prime Factorization
17 × 43 × 499 × 353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128763457
Product of the distinct prime numbers
The prime factorization of 128763457 is 17 × 43 × 499 × 353.
Since it has a total of 4 prime factors.
2 , 2 , 11 , 56 , 27 , 682 , 8818 , 216 , 68654 , 95349 , 515700 , 977742 , 3752153 , 8265989 , 55892953 , 29591505 , 444468319 , 227251734 , 9406944035 , 5379003312
n×2
257526914
n×3
386290371
n×4
515053828
n×5
643817285
n÷2
64381728.5
n÷3
42921152.333333
n÷3
32190864.25
n÷5
25752691.4
n2
16580027858590849
n3
2.1349017042285E+24
n4
2.7489732379165E+32
n5
3.5396729731461E+40
2 √n
11347.398688686
3 √n
504.96840896392
4 √n
106.5241695048
5 √n
41.875357293332
1 , 17 , 43 , 353 , 499 , 731 , 6001 , 8483 , 15179 , 21457 , 176147 , 258043 , 364769 , 2994499 , 7574321 , 128763457
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128763456
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128763457 can be divided by 16 positive divisors.
The sum of these divisors (counting 128763457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011001100011001000001
3
Ternary
22222021212020221
4
Quaternary
13223030121001
5
Quinary
230430412312
6
Senary
20435503041
8
Octal
753143101
10
Decimal
128763457
12
Duodecimal
37157a81
16
Hexadecimal
7acc641
20
Vigesimal
204f8ch
36
Base36
24nuip
md5
537b4dd2b645effc5866e0b4d59c0f32
sha1
a1bbc44ea5eecdae8a6a0787973dc897bc30ad66
sha256
c162d99ffb613fcf9aec8bead9d0245fdabf13b913b6bcc226e067768c187de0
sha512
4760d15dbd0706f62e258bb83ff20397c553eeb0b3798eb7bbe25706a2d40a6f7a3bf94e3212c086eea36825bb9048e2921c6b9666003f4303332cb0551c63a6
ripemd-160
32f917074be5d725c2d2b94b144d31a4dae5c9b6
Diameter
257526914
Circumference
809044661.12405
Area
5.2087693716863E+16
Volume
8.942655346854E+24
Surface area
2.0835077486745E+17
Circumference
809044661.12405
Perimeter
515053828
Area
16580027858590849
Diagonal
182099027.22744
Surface area
99480167151545094
Volume
2.1349017042285E+24
Space diagonal
223024849.68221
Perimeter
386290371
Area
7.1793626604967E+15
Altitude
111512424.84111
Surface area
7.1793626604967E+15
Volume
2.5160057870444E+23
Height
60699675.742482