128016988 is an even 9-digits composite number following 128016987
and preceding 128016989 . In scientific notation, it is written as 1.28016988 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 55659120 positive integers (up to 128016988) that are relatively prime to 128016988.
128016988 has 24 divisors, whose sum is 255024000
The reverse of 128016988 is 889610821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million sixteen thousand nine hundred eighty-eight
Scientific notation
1.28016988 × 10^8
Engineering notation
1.28016988 × 10^6
Prime Factorization
2 × 2 × 11 × 23 × 126499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64008494
Product of the distinct prime numbers
The prime factorization of 128016988 is 2 × 2 × 11 × 23 × 126499.
Since it has a total of 5 prime factors.
1 , 6 , 67 , 78 , 509 , 676 , 1838 , 6271 , 62627 , 10739 , 526324 , 444150 , 845231 , 606589 , 26863806 , 323425 , 484803576 , 682649128 , 1564062968 , 8365159188
n×2
256033976
n×3
384050964
n×4
512067952
n×5
640084940
n÷2
64008494
n÷3
42672329.333333
n÷3
32004247
n÷5
25603397.6
n2
16388349216592144
n3
2.0979871050003E+24
n4
2.6857799004498E+32
n5
3.4382545328652E+40
2 √n
11314.459244701
3 √n
503.9907143246
4 √n
106.36944695119
5 √n
41.826692252512
1 , 2 , 4 , 11 , 22 , 23 , 44 , 46 , 92 , 253 , 506 , 1012 , 126499 , 252998 , 505996 , 1391489 , 2782978 , 2909477 , 5565956 , 5818954 , 11637908 , 32004247 , 64008494 , 128016988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128016987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128016988 can be divided by 24 positive divisors.
The sum of these divisors (counting 128016988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101000010110001001011100
3
Ternary
22220212221021221
4
Quaternary
13220112021130
5
Quinary
230233020423
6
Senary
20411503124
8
Octal
750261134
10
Decimal
128016988
12
Duodecimal
36a57aa4
16
Hexadecimal
7a1625c
20
Vigesimal
2002298
36
Base36
247ujg
md5
ae7fd77ae23baf98b7f7d034e8d1f058
sha1
96adb548fddcd4e652ae0cc07e2f8aa4eef99bc5
sha256
018588032bca488b9bff3985e0eb7e5034f788b7dca8ce71abaa936a4e15c5c0
sha512
f851aabc71c1ed791774765fbd2145e4ad33cc08291d69f734f18af180ed03c5d130f4230f4d020b9195bb3f77dcd403f928c229e8736d805dc5d8fecb0e14f0
ripemd-160
813467b6a64904ea2559a78f1a00f60ebec424ac
Diameter
256033976
Circumference
804354458.07099
Area
5.148551750331E+16
Volume
8.7880278351934E+24
Surface area
2.0594207001324E+17
Circumference
804354458.07099
Perimeter
512067952
Area
16388349216592144
Diagonal
181043360.64375
Surface area
98330095299552864
Volume
2.0979871050003E+24
Space diagonal
221731927.44794
Perimeter
384050964
Area
7.0963633738298E+15
Altitude
110865963.72397
Surface area
7.0963633738298E+15
Volume
2.4725015146461E+23
Height
60347786.881251