128840495 is an odd 9-digits composite number following 128840494
and preceding 128840496 . In scientific notation, it is written as 1.28840495 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 85497120 positive integers (up to 128840495) that are relatively prime to 128840495.
128840495 has 16 divisors, whose sum is 182396928
The reverse of 128840495 is 594048821
Previous prime number is 31
Is Prime? no Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred twenty-eight million eight hundred forty thousand four hundred ninety-five
Scientific notation
1.28840495 × 10^8
Engineering notation
1.28840495 × 10^6
Prime Factorization
7 × 5 × 31 × 118747
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
128840495 Product of the distinct prime numbers
The prime factorization of 128840495 is 7 × 5 × 31 × 118747.
Since it has a total of 4 prime factors.
3 , 2 , 53 , 54 , 144 , 947 , 701 , 7381 , 59139 , 94510 , 677404 , 559969 , 9798125 , 3891717 , 91170045 , 49191525 , 359389589 , 468732140 , 7377556968 , 4621449623
n×2
257680990
n×3
386521485
n×4
515361980
n×5
644202475
n÷2
64420247.5
n÷3
42946831.666667
n÷3
32210123.75
n÷5
25768099
n2
16599873151845025
n3
2.1387358738209E+24
n4
2.7555578865735E+32
n5
3.5502744210728E+40
2 √n11350.792703596
3 √n505.06909488208
4 √n106.54009904067
5 √n41.880366823356
1 , 5 , 7 , 31 , 35 , 155 , 217 , 1085 , 118747 , 593735 , 831229 , 3681157 , 4156145 , 18405785 , 25768099 , 128840495
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128840494 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128840495 can be divided by 16 positive divisors.
The sum of these divisors (counting 128840495) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011111001100101111
3
Ternary
22222102202221012
4
Quaternary
13223133030233
5
Quinary
230440343440
6
Senary
20441255435
8
Octal
753371457
10
Decimal
128840495
12
Duodecimal
3719457b
16
Hexadecimal
7adf32f
20
Vigesimal
205514f
36
Base36
24phyn
md5
26afe8071c8299dbf64d6a70c542dd2a
sha1
37b89edee3540f4b2bf990e1221f803cedcf1902
sha256
9d05675751e4550778e50ef2f641d0b2a9d1e792b7f26a2389214bda6d6dffaf
sha512
a0d9bfc34f89563ef1e11beadb24f96d8f402144e385a9e22b03f9d48c6c277858f7fb0ccac9f70a5a673e3cd72feeec97bf089d361a4798e4ae17d965ab2a1f
ripemd-160
817e1636f4aba0b2f7fe7d5f7ed768c19d1f289e
Diameter
257680990
Circumference
809528705.15374
Area
5.2150039544359E+16
Volume
8.9587158788863E+24
Surface area
2.0860015817744E+17
Circumference
809528705.15374
Perimeter
515361980
Area
16599873151845025
Diagonal
182207975.41186
Surface area
99599238911070150
Volume
2.1387358738209E+24
Space diagonal
223158283.41232
Perimeter
386521485
Area
7.1879559245485E+15
Altitude
111579141.70616
Surface area
7.1879559245485E+15
Volume
2.5205243992429E+23
Height
60735991.803954