128840169 is an odd 9-digits composite number following 128840168
and preceding 128840170 . In scientific notation, it is written as 1.28840169 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 83892312 positive integers (up to 128840169) that are relatively prime to 128840169.
128840169 has 12 divisors, whose sum is 175882416
The reverse of 128840169 is 961048821
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million eight hundred forty thousand one hundred sixty-nine
Scientific notation
1.28840169 × 10^8
Engineering notation
1.28840169 × 10^6
Prime Factorization
3 × 43 × 43 × 23227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2996283
Product of the distinct prime numbers
The prime factorization of 128840169 is 3 × 43 × 43 × 23227.
Since it has a total of 4 prime factors.
1 , 3 , 35 , 51 , 963 , 803 , 5444 , 6296 , 83207 , 85287 , 925604 , 197722 , 5505764 , 8276188 , 44919579 , 36617845 , 806916007 , 267698140 , 5035614634 , 7599257370
n×2
257680338
n×3
386520507
n×4
515360676
n×5
644200845
n÷2
64420084.5
n÷3
42946723
n÷3
32210042.25
n÷5
25768033.8
n2
16599789147948561
n3
2.1387196391861E+24
n4
2.7555299975635E+32
n5
3.5502295057065E+40
2 √n
11350.778343356
3 √n
505.06866889628
4 √n
106.54003164706
5 √n
41.880345629688
1 , 3 , 43 , 129 , 1849 , 5547 , 23227 , 69681 , 998761 , 2996283 , 42946723 , 128840169
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128840168
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128840169 can be divided by 12 positive divisors.
The sum of these divisors (counting 128840169) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101011011111000111101001
3
Ternary
22222102202111010
4
Quaternary
13223133013221
5
Quinary
230440341134
6
Senary
20441254133
8
Octal
753370751
10
Decimal
128840169
12
Duodecimal
37194349
16
Hexadecimal
7adf1e9
20
Vigesimal
2055089
36
Base36
24phpl
md5
3039b9edaf5abe9122502f63250efcba
sha1
7135c5b55b3ecfd90c59c110cc374f214b5b2300
sha256
e2b906fcea5f012e660dc709a02c1bf0fcce8566b88c8a0beb42f7ef9a9819e3
sha512
fca417f9cc32d25fb14583be9b5f14e477b564afb3ae9cdde08089d5082d1f3c9307ecc15394a0952efb974d1d4b5e10c79737fcefb76ec07cd6aaaf8eebdb69
ripemd-160
164a6568ee5209068836c469384dc2ced9e5a98d
Diameter
257680338
Circumference
809526656.83533
Area
5.2149775638335E+16
Volume
8.9586478754068E+24
Surface area
2.0859910255334E+17
Circumference
809526656.83533
Perimeter
515360676
Area
16599789147948561
Diagonal
182207514.37824
Surface area
99598734887691366
Volume
2.1387196391861E+24
Space diagonal
223157718.76376
Perimeter
386520507
Area
7.1879195497943E+15
Altitude
111578859.38188
Surface area
7.1879195497943E+15
Volume
2.5205052665422E+23
Height
60735838.126081