128889769 is an odd 9-digits composite number following 128889768
and preceding 128889770 . In scientific notation, it is written as 1.28889769 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 123285844 positive integers (up to 128889769) that are relatively prime to 128889769.
128889769 has 4 divisors, whose sum is 134493696
The reverse of 128889769 is 967988821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred twenty-eight million eight hundred eighty-nine thousand seven hundred sixty-nine
Scientific notation
1.28889769 × 10^8
Engineering notation
1.28889769 × 10^6
Prime Factorization
23 × 5603903
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128889769
Product of the distinct prime numbers
The prime factorization of 128889769 is 23 × 5603903.
Since it has a total of 2 prime factors.
4 , 8 , 29 , 11 , 657 , 484 , 6597 , 8537 , 63049 , 57429 , 551099 , 408396 , 5298135 , 794804 , 23430155 , 86528413 , 97783428 , 539139691 , 9983964593 , 9801353311
n×2
257779538
n×3
386669307
n×4
515559076
n×5
644448845
n÷2
64444884.5
n÷3
42963256.333333
n÷3
32222442.25
n÷5
25777953.8
n2
16612572552873361
n3
2.1411906388356E+24
n4
2.7597756682448E+32
n5
3.5570684837189E+40
2 √n
11352.963005313
3 √n
505.13347319904
4 √n
106.55028392882
5 √n
41.8835696946
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128889768
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128889769 can be divided by 4 positive divisors.
The sum of these divisors (counting 128889769) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011101011001110101001
3
Ternary
22222112021112011
4
Quaternary
13223223032221
5
Quinary
230443433034
6
Senary
20442315521
8
Octal
753531651
10
Decimal
128889769
12
Duodecimal
371b8ba1
16
Hexadecimal
7aeb3a9
20
Vigesimal
205b489
36
Base36
24qjzd
md5
1d8216f2cf1e0a7d50284b9df2ca211c
sha1
c399ca09e298871e4ddb9c7a05811b5c93402ee4
sha256
628b1a41a6b18ab0d531b6322a7a0c9df8578d6b712dd829b2bea11c9ebb7c47
sha512
bfd73e33a751164635d24d386321e06ebb5011a2b1c8382aea64ac8c51bd736daa024f0f59113188a4653b02b50c7c03f529dc20405fc1bcba66cb7d3f10d74e
ripemd-160
fe40bceeba47703e1b6fd0413f96f8fb76fc9568
Diameter
257779538
Circumference
809838302.82657
Area
5.2189935889334E+16
Volume
8.9689983745348E+24
Surface area
2.0875974355734E+17
Circumference
809838302.82657
Perimeter
515559076
Area
16612572552873361
Diagonal
182277659.37094
Surface area
99675435317240166
Volume
2.1411906388356E+24
Space diagonal
223243628.48382
Perimeter
386669307
Area
7.1934549265002E+15
Altitude
111621814.24191
Surface area
7.1934549265002E+15
Volume
2.5234173675563E+23
Height
60759219.790312