128493451 is an odd 9-digits composite number following 128493450
and preceding 128493452 . In scientific notation, it is written as 1.28493451 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 127020960 positive integers (up to 128493451) that are relatively prime to 128493451.
128493451 has 8 divisors, whose sum is 129971600
The reverse of 128493451 is 154394821
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million four hundred ninety-three thousand four hundred fifty-one
Scientific notation
1.28493451 × 10^8
Engineering notation
1.28493451 × 10^6
Prime Factorization
541 × 109 × 2179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128493451
Product of the distinct prime numbers
The prime factorization of 128493451 is 541 × 109 × 2179.
Since it has a total of 3 prime factors.
10 , 5 , 56 , 76 , 893 , 815 , 6933 , 4877 , 34437 , 1935 , 280805 , 536880 , 6652150 , 4787532 , 82856207 , 43500659 , 592557745 , 495259853 , 4037123482 , 756441956
n×2
256986902
n×3
385480353
n×4
513973804
n×5
642467255
n÷2
64246725.5
n÷3
42831150.333333
n÷3
32123362.75
n÷5
25698690.2
n2
16510566949889401
n3
2.1214997253578E+24
n4
2.7259882100678E+32
n5
3.5027163249692E+40
2 √n
11335.495181067
3 √n
504.61520338961
4 √n
106.46828251206
5 √n
41.857780733145
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
-128493450
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 128493451 can be divided by 8 positive divisors.
The sum of these divisors (counting 128493451) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010001010011110001011
3
Ternary
22221210010212201
4
Quaternary
13222022132023
5
Quinary
230343242301
6
Senary
20430021031
8
Octal
752123613
10
Decimal
128493451
12
Duodecimal
37047777
16
Hexadecimal
7a8a78b
20
Vigesimal
2031dcb
36
Base36
24i26j
md5
71c2b00cb6bb2496eb4cdb180941f823
sha1
d43c469aef8783e3e07509cb7a4b4a27d748f22d
sha256
1c44c98ad9e54be900d9af527d12ccc12e8a1f1f1b7aa03fe07e353173e2adb8
sha512
e5067b4ac43fb0a3b5ed2d0cb1c70775371b2408e05e3ca9d7b9306324f3a00cb73d111bc93b08ac9a9d2d71a8735f8c6a32d1bfb9f584df06de5d63b66c183a
ripemd-160
4d7baf296903a2563c5e68614d065d220676ecf0
Diameter
256986902
Circumference
807348163.392
Area
5.1869475836375E+16
Volume
8.8865172690359E+24
Surface area
2.074779033455E+17
Circumference
807348163.392
Perimeter
513973804
Area
16510566949889401
Diagonal
181717181.08032
Surface area
99063401699336406
Volume
2.1214997253578E+24
Space diagonal
222557185.57186
Perimeter
385480353
Area
7.149285204744E+15
Altitude
111278592.78593
Surface area
7.149285204744E+15
Volume
2.5002114034765E+23
Height
60572393.693441