128420229 is an odd 9-digits composite number following 128420228
and preceding 128420230 . In scientific notation, it is written as 1.28420229 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 71378496 positive integers (up to 128420229) that are relatively prime to 128420229.
128420229 has 24 divisors, whose sum is 160777848
The reverse of 128420229 is 922024821
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million four hundred twenty thousand two hundred twenty-nine
Scientific notation
1.28420229 × 10^8
Engineering notation
1.28420229 × 10^6
Prime Factorization
7 × 21 × 7 × 37 × 3373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18345747
Product of the distinct prime numbers
The prime factorization of 128420229 is 7 × 21 × 7 × 37 × 3373.
Since it has a total of 5 prime factors.
3 , 6 , 37 , 38 , 719 , 480 , 2970 , 9555 , 80067 , 96884 , 853354 , 558555 , 9941625 , 710628 , 79070549 , 1431155 , 552195690 , 700512384 , 1768757760 , 9121738192
n×2
256840458
n×3
385260687
n×4
513680916
n×5
642101145
n÷2
64210114.5
n÷3
42806743
n÷3
32105057.25
n÷5
25684045.8
n2
16491755216412441
n3
2.1178749815036E+24
n4
2.7197799011807E+32
n5
3.4927475773922E+40
2 √n
11332.264954545
3 √n
504.51933350983
4 √n
106.45311153059
5 √n
41.853009113655
1 , 7 , 21 , 37 , 49 , 147 , 259 , 777 , 1029 , 1813 , 3373 , 5439 , 23611 , 38073 , 70833 , 124801 , 165277 , 495831 , 873607 , 2620821 , 3470817 , 6115249 , 18345747 , 128420229
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
-128420228
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 128420229 can be divided by 24 positive divisors.
The sum of these divisors (counting 128420229) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001111000100110000101
3
Ternary
22221122102102210
4
Quaternary
13221320212011
5
Quinary
230333421404
6
Senary
20424254033
8
Octal
751704605
10
Decimal
128420229
12
Duodecimal
37011319
16
Hexadecimal
7a78985
20
Vigesimal
202cab9
36
Base36
24ghol
md5
e88183e9e5db7df1382ee37c16854dc8
sha1
f973cbe3232075bea95baef6adeec2ade46026c2
sha256
a27e4b9af685ac813e313ae149c637aa03ad9e6aeed32e24858e670323fb8de3
sha512
d54a4622f3feb93230c18fa8c1e80e01dc60e268bd72e99fb3eeee63521b6d36ab1b726089015c386a862f17ec8e687f544d7aab178f9a3c0e3701237ec0bc23
ripemd-160
e1b7cc19b691105efaab66656773f03381132630
Diameter
256840458
Circumference
806888095.99744
Area
5.1810377032682E+16
Volume
8.8713339774846E+24
Surface area
2.0724150813073E+17
Circumference
806888095.99744
Perimeter
513680916
Area
16491755216412441
Diagonal
181613629.53486
Surface area
98950531298474646
Volume
2.1178749815036E+24
Space diagonal
222430361.34763
Perimeter
385260687
Area
7.1411394852039E+15
Altitude
111215180.67382
Surface area
7.1411394852039E+15
Volume
2.4959396018776E+23
Height
60537876.51162