128855982 is an even 9-digits composite number following 128855981
and preceding 128855983 . In scientific notation, it is written as 1.28855982 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 41084472 positive integers (up to 128855982) that are relatively prime to 128855982.
128855982 has 16 divisors, whose sum is 268917120
The reverse of 128855982 is 289558821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million eight hundred fifty-five thousand nine hundred eighty-two
Scientific notation
1.28855982 × 10^8
Engineering notation
1.28855982 × 10^6
Prime Factorization
2 × 3 × 23 × 933739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128855982
Product of the distinct prime numbers
The prime factorization of 128855982 is 2 × 3 × 23 × 933739.
Since it has a total of 4 prime factors.
7 , 1 , 83 , 43 , 170 , 877 , 2679 , 9264 , 77112 , 70915 , 527364 , 492790 , 8497269 , 2985217 , 54420073 , 80763434 , 745692421 , 692580342 , 8086625223 , 311308988
n×2
257711964
n×3
386567946
n×4
515423928
n×5
644279910
n÷2
64427991
n÷3
42951994
n÷3
32213995.5
n÷5
25771196.4
n2
16603864097184324
n3
2.1395072132372E+24
n4
2.7568830295777E+32
n5
3.5524087003537E+40
2 √n
11351.474882146
3 √n
505.0893309931
4 √n
106.54330050335
5 √n
41.881373603186
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 933739 , 1867478 , 2801217 , 5602434 , 21475997 , 42951994 , 64427991 , 128855982
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
-128855981
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 128855982 can be divided by 16 positive divisors.
The sum of these divisors (counting 128855982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011100010111110101110
3
Ternary
22222110120011210
4
Quaternary
13223202332232
5
Quinary
230441342412
6
Senary
20441455250
8
Octal
753427656
10
Decimal
128855982
12
Duodecimal
371a1526
16
Hexadecimal
7ae2fae
20
Vigesimal
2056jj2
36
Base36
24ptwu
md5
e5d3a684ac5e479706fba63e9544d9c0
sha1
513747ce009e49de50f0ee546b34907690b8e750
sha256
80e1f1222f28b01c830b14966facbb289267beeb49b857e5a64e4c87af8e34cd
sha512
273e366305732d8cba6b18ddcb7dc2382951e826ae3be3592e921eaba115044eb40fb595a397e2cf1537d7e86949d5518b13621ce14e1fee034d43a4bd80128a
ripemd-160
73c3283ad9bf4abec61258f93382d5adff43666f
Diameter
257711964
Circumference
809626012.8446
Area
5.2162577468918E+16
Volume
8.9619468578779E+24
Surface area
2.0865030987567E+17
Circumference
809626012.8446
Perimeter
515423928
Area
16603864097184324
Diagonal
182229877.3373
Surface area
99623184583105944
Volume
2.1395072132372E+24
Space diagonal
223185107.68318
Perimeter
386567946
Area
7.189684054573E+15
Altitude
111592553.84159
Surface area
7.189684054573E+15
Volume
2.5214334314626E+23
Height
60743292.445768