128763913 is an odd 9-digits composite number following 128763912
and preceding 128763914 . In scientific notation, it is written as 1.28763913 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 123165460 positive integers (up to 128763913) that are relatively prime to 128763913.
128763913 has 4 divisors, whose sum is 134362368
The reverse of 128763913 is 319367821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million seven hundred sixty-three thousand nine hundred thirteen
Scientific notation
1.28763913 × 10^8
Engineering notation
1.28763913 × 10^6
Prime Factorization
23 × 5598431
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128763913
Product of the distinct prime numbers
The prime factorization of 128763913 is 23 × 5598431.
Since it has a total of 2 prime factors.
5 , 1 , 59 , 15 , 933 , 224 , 2635 , 7743 , 84484 , 36267 , 13290 , 644128 , 3436836 , 1702892 , 3479659 , 37748151 , 514551143 , 242040822 , 5401671222 , 8438329561
n×2
257527826
n×3
386291739
n×4
515055652
n×5
643819565
n÷2
64381956.5
n÷3
42921304.333333
n÷3
32190978.25
n÷5
25752782.6
n2
16580145291071569
n3
2.1349243857869E+24
n4
2.7490121787304E+32
n5
3.5397356501799E+40
2 √n
11347.418781379
3 √n
504.96900505779
4 √n
106.52426381524
5 √n
41.875386952579
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128763912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128763913 can be divided by 4 positive divisors.
The sum of these divisors (counting 128763913) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011001100100000001001
3
Ternary
22222021212212211
4
Quaternary
13223030200021
5
Quinary
230430421123
6
Senary
20435505121
8
Octal
753144011
10
Decimal
128763913
12
Duodecimal
371581a1
16
Hexadecimal
7acc809
20
Vigesimal
204f9fd
36
Base36
24nuvd
md5
9243343703798ef01e14cc6f39deb3e6
sha1
d961e3b56cd447011ce0a2d362ff129882fa9c47
sha256
9084dc0d68e07eb713301c913ac0268ba2f0964d84bab8076374ad4ef89d9479
sha512
697b324202288cf35c7160b6060da841bedde0e84766eb85443a176dfdd72eaef99c906162290e409e4a57542566f7c4969952351e10543cde1e0629fa2e0a7d
ripemd-160
f0101f4a61d8baf430b1d81e3ef01b4a9a83a274
Diameter
257527826
Circumference
809047526.25655
Area
5.2088062641882E+16
Volume
8.9427503551438E+24
Surface area
2.0835225056753E+17
Circumference
809047526.25655
Perimeter
515055652
Area
16580145291071569
Diagonal
182099672.10883
Surface area
99480871746429414
Volume
2.1349243857869E+24
Space diagonal
223025639.49738
Perimeter
386291739
Area
7.1794135102525E+15
Altitude
111512819.74869
Surface area
7.1794135102525E+15
Volume
2.5160325175174E+23
Height
60699890.702943