128540890 is an even 9-digits composite number following 128540889
and preceding 128540891 . In scientific notation, it is written as 1.28540890 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 48271104 positive integers (up to 128540890) that are relatively prime to 128540890.
128540890 has 32 divisors, whose sum is 245747520
The reverse of 128540890 is 098045821
Previous prime number is 113
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred forty thousand eight hundred ninety
Scientific notation
1.28540890 × 10^8
Engineering notation
1.28540890 × 10^6
Prime Factorization
2 × 5 × 19 × 113 × 5987
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128540890
Product of the distinct prime numbers
The prime factorization of 128540890 is 2 × 5 × 19 × 113 × 5987.
Since it has a total of 5 prime factors.
7 , 4 , 25 , 7 , 492 , 398 , 5869 , 6889 , 54341 , 46714 , 733348 , 176171 , 3477891 , 4848646 , 58349654 , 46639531 , 250559019 , 793223593 , 7663213432 , 1902075524
n×2
257081780
n×3
385622670
n×4
514163560
n×5
642704450
n÷2
64270445
n÷3
42846963.333333
n÷3
32135222.5
n÷5
25708178
n2
16522760401992100
n3
2.1238503273288E+24
n4
2.7300161130164E+32
n5
3.5091870088147E+40
2 √n
11337.587485881
3 √n
504.67729603603
4 √n
106.47810801231
5 √n
41.860871004389
1 , 2 , 5 , 10 , 19 , 38 , 95 , 113 , 190 , 226 , 565 , 1130 , 2147 , 4294 , 5987 , 10735 , 11974 , 21470 , 29935 , 59870 , 113753 , 227506 , 568765 , 676531 , 1137530 , 1353062 , 3382655 , 6765310 , 12854089 , 25708178 , 64270445 , 128540890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128540889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128540890 can be divided by 32 positive divisors.
The sum of these divisors (counting 128540890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010010110000011011010
3
Ternary
22221212112221201
4
Quaternary
13222112003122
5
Quinary
230401302030
6
Senary
20431024414
8
Octal
752260332
10
Decimal
128540890
12
Duodecimal
3706b10a
16
Hexadecimal
7a960da
20
Vigesimal
2037c4a
36
Base36
24j2sa
md5
2be6af3b2aff505371bc1acc35bc325b
sha1
294a45199de864aa9d150d7e054044062e6ee33e
sha256
d4a91dd9fec6a6678ae5f373678aeb6a1ddb9c53d2e319fd8189c3a64bda9705
sha512
b88c0bb6a597319a73efa751123744306bb4ddeac029a76302ddc13a6557d13bf2bcdd8d938ccff1317c25f1707966f6dc89eafe281bb78fa7dd03d4519362d5
ripemd-160
1a096f6cd5ae2d3232cbf3b8e32c22a1ab0c599e
Diameter
257081780
Circumference
807646231.41979
Area
5.1907782695923E+16
Volume
8.8963634475473E+24
Surface area
2.0763113078369E+17
Circumference
807646231.41979
Perimeter
514163560
Area
16522760401992100
Diagonal
181784269.95751
Surface area
99136562411952600
Volume
2.1238503273288E+24
Space diagonal
222639352.33012
Perimeter
385622670
Area
7.1545651243844E+15
Altitude
111319676.16506
Surface area
7.1545651243844E+15
Volume
2.5029816144658E+23
Height
60594756.652503