128226989 is an odd 9-digits composite number following 128226988
and preceding 128226990 . In scientific notation, it is written as 1.28226989 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 113411760 positive integers (up to 128226989) that are relatively prime to 128226989.
128226989 has 16 divisors, whose sum is 143700480
The reverse of 128226989 is 989622821
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-eight million two hundred twenty-six thousand nine hundred eighty-nine
Scientific notation
1.28226989 × 10^8
Engineering notation
1.28226989 × 10^6
Prime Factorization
43 × 11 × 419 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128226989
Product of the distinct prime numbers
The prime factorization of 128226989 is 43 × 11 × 419 × 647.
Since it has a total of 4 prime factors.
10 , 7 , 26 , 13 , 708 , 782 , 6207 , 2499 , 56306 , 19334 , 706433 , 174957 , 544720 , 5250337 , 49532306 , 93759810 , 744323495 , 288564577 , 3279052976 , 3556113994
n×2
256453978
n×3
384680967
n×4
512907956
n×5
641134945
n÷2
64113494.5
n÷3
42742329.666667
n÷3
32056747.25
n÷5
25645397.8
n2
16442160708006121
n3
2.1083287602417E+24
n4
2.703446487479E+32
n5
3.4665480301206E+40
2 √n
11323.735646861
3 √n
504.26614842982
4 √n
106.4130426539
5 √n
41.840405884542
1 , 11 , 43 , 419 , 473 , 647 , 4609 , 7117 , 18017 , 27821 , 198187 , 271093 , 306031 , 2982023 , 11656999 , 128226989
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
-128226988
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 128226989 can be divided by 16 positive divisors.
The sum of these divisors (counting 128226989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001001011010101101
3
Ternary
22221021121100202
4
Quaternary
13221021122231
5
Quinary
230311230424
6
Senary
20420203245
8
Octal
751113255
10
Decimal
128226989
12
Duodecimal
36b39525
16
Hexadecimal
7a496ad
20
Vigesimal
2018799
36
Base36
24cckt
md5
df962ac9c0f1b088e4536bdd0b226043
sha1
e071299ca597a6f03d00962dc5ca6a71cf81ce20
sha256
071d8c6567eb1796d32a0b2869a3207e74790eec3d65b8485f7f38b0eee10204
sha512
1385431bf38a34554f68df38629c86fa79d19d120632da699fc78f42798b134f2582ae241019478d211b4ea182a7f9e9322b2a8b2f3b17723bf046e6a3660160
ripemd-160
1a76da10e70b7a127a27b69af7cba6d1c885f61d
Diameter
256453978
Circumference
805673933.26868
Area
5.1654571289415E+16
Volume
8.83134685937E+24
Surface area
2.0661828515766E+17
Circumference
805673933.26868
Perimeter
512907956
Area
16442160708006121
Diagonal
181340346.90607
Surface area
98652964248036726
Volume
2.1083287602417E+24
Space diagonal
222095659.84958
Perimeter
384680967
Area
7.1196644331198E+15
Altitude
111047829.92479
Surface area
7.1196644331198E+15
Volume
2.4846892722293E+23
Height
60446782.302022