128468993 is an odd 9-digits composite number following 128468992
and preceding 128468994 . In scientific notation, it is written as 1.28468993 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 125481300 positive integers (up to 128468993) that are relatively prime to 128468993.
128468993 has 4 divisors, whose sum is 131456688
The reverse of 128468993 is 399864821
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-eight million four hundred sixty-eight thousand nine hundred ninety-three
Scientific notation
1.28468993 × 10^8
Engineering notation
1.28468993 × 10^6
Prime Factorization
43 × 2987651
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128468993
Product of the distinct prime numbers
The prime factorization of 128468993 is 43 × 2987651.
Since it has a total of 2 prime factors.
5 , 6 , 71 , 83 , 620 , 580 , 8164 , 3702 , 61842 , 13740 , 754061 , 669097 , 4698679 , 3524705 , 93630272 , 96127923 , 275415063 , 677126954 , 2111389766 , 1255983110
n×2
256937986
n×3
385406979
n×4
513875972
n×5
642344965
n÷2
64234496.5
n÷3
42822997.666667
n÷3
32117248.25
n÷5
25693798.6
n2
16504282162434049
n3
2.1202885095958E+24
n4
2.7239132969724E+32
n5
3.4993839828135E+40
2 √n
11334.416306101
3 √n
504.58318447684
4 √n
106.46321574187
5 √n
41.856187133551
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
-128468992
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 128468993 can be divided by 4 positive divisors.
The sum of these divisors (counting 128468993) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010000100100000000001
3
Ternary
22221201220022212
4
Quaternary
13222010200001
5
Quinary
230342001433
6
Senary
20425311505
8
Octal
752044001
10
Decimal
128468993
12
Duodecimal
37035595
16
Hexadecimal
7a84801
20
Vigesimal
202ic9d
36
Base36
24hjb5
md5
47cf2ce6ad614e163e472390df0fc0c2
sha1
6ac756bf81a021e0d408e8cb1e8127ad175de08b
sha256
28c1e33e6604adce55b5bda7fb0c1a483a2b4fbccb52269531068481e207364e
sha512
1e312ca8703993d40eba3c73871712fd6a06eb8e7e508c6d350237747019e5d43e9a54a6ad61d7d269764ac2ec115ecf1d603801f6c2ee88a8770efb9ab8bddc
ripemd-160
70133ef90fc2af97d87a66b82136e65210ae8e29
Diameter
256937986
Circumference
807194489.24576
Area
5.1849731594276E+16
Volume
8.8814437403159E+24
Surface area
2.073989263771E+17
Circumference
807194489.24576
Perimeter
513875972
Area
16504282162434049
Diagonal
181682592.24501
Surface area
99025692974604294
Volume
2.1202885095958E+24
Space diagonal
222514823.07321
Perimeter
385406979
Area
7.1465638119471E+15
Altitude
111257411.53661
Surface area
7.1465638119471E+15
Volume
2.4987839720118E+23
Height
60560864.081671