128889247 is an odd 9-digits composite number following 128889246
and preceding 128889248 . In scientific notation, it is written as 1.28889247 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 128721736 positive integers (up to 128889247) that are relatively prime to 128889247.
128889247 has 4 divisors, whose sum is 129056760
The reverse of 128889247 is 742988821
Previous prime number is 773
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-eight million eight hundred eighty-nine thousand two hundred forty-seven
Scientific notation
1.28889247 × 10^8
Engineering notation
1.28889247 × 10^6
Prime Factorization
773 × 166739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128889247
Product of the distinct prime numbers
The prime factorization of 128889247 is 773 × 166739.
Since it has a total of 2 prime factors.
2 , 3 , 100 , 69 , 766 , 199 , 6178 , 5113 , 62435 , 19503 , 149192 , 683162 , 6996186 , 2223556 , 14201035 , 3025322 , 695191971 , 207288323 , 3902295890 , 7537522302
n×2
257778494
n×3
386667741
n×4
515556988
n×5
644446235
n÷2
64444623.5
n÷3
42963082.333333
n÷3
32222311.75
n÷5
25777849.4
n2
16612437992227009
n3
2.1411646236523E+24
n4
2.7597309604559E+32
n5
3.5569964541574E+40
2 √n
11352.940015696
3 √n
505.13279127258
4 √n
106.55017604723
5 √n
41.883535769086
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
-128889246
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 128889247 can be divided by 4 positive divisors.
The sum of these divisors (counting 128889247) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011101011000110011111
3
Ternary
22222112020210211
4
Quaternary
13223223012133
5
Quinary
230443423442
6
Senary
20442313251
8
Octal
753530637
10
Decimal
128889247
12
Duodecimal
371b8827
16
Hexadecimal
7aeb19f
20
Vigesimal
205b327
36
Base36
24qjkv
md5
a0395be97e9aaf530494ebf135d2b8a1
sha1
36279a7124844e98622e8d71c538a70b66466b27
sha256
cddc1f9226dc8775a5662ad4a9ea265b3ddd8a530aa13c99071d3cff5b8a29e6
sha512
0c20c4a3d8e21ef71c8387fd520890b4232a0371202131346f5cf079edf46907cb5eb8cf969bb569d744024e7cf1cec9353faf234b522b4cf52cc8e5381a0930
ripemd-160
035e87dfda04977f17bfcb9123795ff03e9175ca
Diameter
257778494
Circumference
809835023.00384
Area
5.2189513154596E+16
Volume
8.96888940239E+24
Surface area
2.0875805261839E+17
Circumference
809835023.00384
Perimeter
515556988
Area
16612437992227009
Diagonal
182276921.15146
Surface area
99674627953362054
Volume
2.1411646236523E+24
Space diagonal
223242724.35329
Perimeter
386667741
Area
7.1933966600312E+15
Altitude
111621362.17665
Surface area
7.1933966600312E+15
Volume
2.5233867083688E+23
Height
60758973.717152