128128429 is an odd 9-digits composite number following 128128428
and preceding 128128430 . In scientific notation, it is written as 1.28128429 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 107520240 positive integers (up to 128128429) that are relatively prime to 128128429.
128128429 has 8 divisors, whose sum is 150528672
The reverse of 128128429 is 924821821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million one hundred twenty-eight thousand four hundred twenty-nine
Scientific notation
1.28128429 × 10^8
Engineering notation
1.28128429 × 10^6
Prime Factorization
11 × 13 × 896003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128128429
Product of the distinct prime numbers
The prime factorization of 128128429 is 11 × 13 × 896003.
Since it has a total of 3 prime factors.
4 , 8 , 10 , 40 , 13 , 640 , 2294 , 1106 , 50694 , 11384 , 562926 , 236955 , 2225733 , 5215892 , 58382970 , 20760533 , 628406730 , 526990432 , 1403299614 , 4653490212
n×2
256256858
n×3
384385287
n×4
512513716
n×5
640642145
n÷2
64064214.5
n÷3
42709476.333333
n÷3
32032107.25
n÷5
25625685.8
n2
16416894318008041
n3
2.1034708780254E+24
n4
2.6951441904864E+32
n5
3.4532459105551E+40
2 √n
11319.38288954
3 √n
504.13691611742
4 √n
106.3925885085
5 √n
41.833971889796
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128128428
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128128429 can be divided by 8 positive divisors.
The sum of these divisors (counting 128128429) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000110001010110101101
3
Ternary
22221002121011101
4
Quaternary
13220301112231
5
Quinary
230300102204
6
Senary
20414123101
8
Octal
750612655
10
Decimal
128128429
12
Duodecimal
36ab0491
16
Hexadecimal
7a315ad
20
Vigesimal
200g119
36
Base36
24a8j1
md5
735d975d4dcd03eb2f9cc9af369af9f9
sha1
b193cb8eedf808258e17b07f8b5735370b06afc3
sha256
5d09216caa7178d607fa2c1e74a82920fd3747c640512dc78141782e41fb89cf
sha512
4b3f522ef1d989de50478ce22d079caea29fcd5969c20677d54fd59e8ce65da71f5a40d8d44870d20df7d0eaaf74681a7740113e8bed8a2daf9f1d96cf6a7206
ripemd-160
52cc3c33d501c775484e01f27a2da2a8e110384c
Diameter
256256858
Circumference
805054662.5248
Area
5.1575194584214E+16
Volume
8.8109982099262E+24
Surface area
2.0630077833686E+17
Circumference
805054662.5248
Perimeter
512513716
Area
16416894318008041
Diagonal
181200962.01736
Surface area
98501365908048246
Volume
2.1034708780254E+24
Space diagonal
221924948.92198
Perimeter
384385287
Area
7.1087237653197E+15
Altitude
110962474.46099
Surface area
7.1087237653197E+15
Volume
2.4789642031336E+23
Height
60400320.672453