128209220 is an even 9-digits composite number following 128209219
and preceding 128209221 . In scientific notation, it is written as 1.28209220 × 10^8.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 51242976 positive integers (up to 128209220) that are relatively prime to 128209220.
128209220 has 24 divisors, whose sum is 269453184
The reverse of 128209220 is 022902821
Previous prime number is 2803
Is Prime? no Number parity even Number length 9 Sum of Digits 26 Digital Root 8
Name
one hundred twenty-eight million two hundred nine thousand two hundred twenty
Scientific notation
1.28209220 × 10^8
Engineering notation
1.28209220 × 10^6
Prime Factorization
2 × 2 × 5 × 2803 × 2287
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64104610 Product of the distinct prime numbers
The prime factorization of 128209220 is 2 × 2 × 5 × 2803 × 2287.
Since it has a total of 5 prime factors.
8 , 1 , 89 , 36 , 505 , 289 , 595 , 715 , 21655 , 62399 , 818275 , 710247 , 9687769 , 2889908 , 7229700 , 15313203 , 893936453 , 267838332 , 7885321276 , 7463981627
n×2
256418440
n×3
384627660
n×4
512836880
n×5
641046100
n÷2
64104610
n÷3
42736406.666667
n÷3
32052305
n÷5
25641844
n2
16437604093008400
n3
2.1074523994334E+24
n4
2.7019482831849E+32
n5
3.4641468186747E+40
2 √n11322.951028773
3 √n504.24285453207
4 √n106.40935592688
5 √n41.839246217001
1 , 2 , 4 , 5 , 10 , 20 , 2287 , 2803 , 4574 , 5606 , 9148 , 11212 , 11435 , 14015 , 22870 , 28030 , 45740 , 56060 , 6410461 , 12820922 , 25641844 , 32052305 , 64104610 , 128209220
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
-128209219 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 128209220 can be divided by 24 positive divisors.
The sum of these divisors (counting 128209220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001000101000101000100
3
Ternary
22221020200222122
4
Quaternary
13221011011010
5
Quinary
230310143340
6
Senary
20415545112
8
Octal
751050504
10
Decimal
128209220
12
Duodecimal
36b2b198
16
Hexadecimal
7a45144
20
Vigesimal
2016310
36
Base36
24byv8
md5
5d8588a3ac4b9d028c3cb9739328eede
sha1
85cb084bc8721d3ea2119ba210b31b63a04ace52
sha256
c837fb974707798b2eac976f16d88f27084ee0368fa00955b18e83b474ac7ca7
sha512
0350e0a79c2eb832d5ddd47ceaf18de23896c1f87d5cf870d94ef4a1222da5d823da47785b6f8ed2f1c446a388caf30ee32549ba7513a7387caad6a8e34f3d3b
ripemd-160
5ab7c15fe4f75ccdbbd35672553d97f455264754
Diameter
256418440
Circumference
805562287.34896
Area
5.1640256261213E+16
Volume
8.8276759678003E+24
Surface area
2.0656102504485E+17
Circumference
805562287.34896
Perimeter
512836880
Area
16437604093008400
Diagonal
181315217.74528
Surface area
98625624558050400
Volume
2.1074523994334E+24
Space diagonal
222064883.03878
Perimeter
384627660
Area
7.1176913609482E+15
Altitude
111032441.51939
Surface area
7.1176913609482E+15
Volume
2.483656471112E+23
Height
60438405.915092