128367021 is an odd 9-digits composite number following 128367020
and preceding 128367022 . In scientific notation, it is written as 1.28367021 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 77208768 positive integers (up to 128367021) that are relatively prime to 128367021.
128367021 has 16 divisors, whose sum is 138547200
The reverse of 128367021 is 120763821
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million three hundred sixty-seven thousand twenty-one
Scientific notation
1.28367021 × 10^8
Engineering notation
1.28367021 × 10^6
Prime Factorization
87 × 19 × 79 × 983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128367021
Product of the distinct prime numbers
The prime factorization of 128367021 is 87 × 19 × 79 × 983.
Since it has a total of 4 prime factors.
6 , 1 , 9 , 98 , 898 , 212 , 3235 , 9623 , 20439 , 12903 , 468237 , 878692 , 548875 , 5089092 , 8581104 , 78416148 , 254804869 , 64960333 , 5380957245 , 7035816730
n×2
256734042
n×3
385101063
n×4
513468084
n×5
641835105
n÷2
64183510.5
n÷3
42789007
n÷3
32091755.25
n÷5
25673404.2
n2
16478092080414441
n3
2.1152435921265E+24
n4
2.7152751861062E+32
n5
3.4855178683567E+40
2 √n
11329.917078249
3 √n
504.44964518211
4 √n
106.44208321077
5 √n
41.849540370317
1 , 19 , 79 , 87 , 983 , 1501 , 1653 , 6873 , 18677 , 77657 , 85521 , 130587 , 1475483 , 1624899 , 6756159 , 128367021
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
-128367020
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 128367021 can be divided by 16 positive divisors.
The sum of these divisors (counting 128367021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001101011100110101101
3
Ternary
22221112201110010
4
Quaternary
13221223212231
5
Quinary
230330221041
6
Senary
20423203433
8
Octal
751534655
10
Decimal
128367021
12
Duodecimal
36ba6579
16
Hexadecimal
7a6b9ad
20
Vigesimal
2025hb1
36
Base36
24fcml
md5
ca4b1a47610a49881b95d0442e33ad62
sha1
2e8536d80a0d1836fdce486f42af5ae6c8106941
sha256
77c7024a94ca490b5b7ce90438563e939118cf6a3ff1d794666e73d8109213bb
sha512
4b6ad33a7f926e05266ae815bdacc3402c1eda5faf784eb119179e6deebc2bed27adecc0995ce10d115ba3ce436fdcd5a9191c061af9360853b16d0c76124762
ripemd-160
206fa905313977a842d48c7891ffed37f77d3781
Diameter
256734042
Circumference
806553780.27361
Area
5.1767453025006E+16
Volume
8.8603116394366E+24
Surface area
2.0706981210002E+17
Circumference
806553780.27361
Perimeter
513468084
Area
16478092080414441
Diagonal
181538382.05963
Surface area
98868552482486646
Volume
2.1152435921265E+24
Space diagonal
222338202.38826
Perimeter
385101063
Area
7.135223173769E+15
Altitude
111169101.19413
Surface area
7.135223173769E+15
Volume
2.4928384797567E+23
Height
60512794.019877