128804939 is an odd 9-digits composite number following 128804938
and preceding 128804940 . In scientific notation, it is written as 1.28804939 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 128157480 positive integers (up to 128804939) that are relatively prime to 128804939.
128804939 has 4 divisors, whose sum is 129452400
The reverse of 128804939 is 939408821
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million eight hundred four thousand nine hundred thirty-nine
Scientific notation
1.28804939 × 10^8
Engineering notation
1.28804939 × 10^6
Prime Factorization
199 × 647261
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128804939
Product of the distinct prime numbers
The prime factorization of 128804939 is 199 × 647261.
Since it has a total of 2 prime factors.
1 , 9 , 35 , 59 , 737 , 904 , 9788 , 4744 , 16089 , 54028 , 734020 , 401446 , 9478692 , 3111199 , 70272739 , 8318857 , 97229080 , 849679596 , 3788477961 , 6504137415
n×2
257609878
n×3
386414817
n×4
515219756
n×5
644024695
n÷2
64402469.5
n÷3
42934979.666667
n÷3
32201234.75
n÷5
25760987.8
n2
16590712310793721
n3
2.1369656871583E+24
n4
2.7525173497952E+32
n5
3.5453782933682E+40
2 √n
11349.226361299
3 √n
505.02262944701
4 √n
106.53274783511
5 √n
41.878055030425
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128804938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128804939 can be divided by 4 positive divisors.
The sum of these divisors (counting 128804939) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011010110100001001011
3
Ternary
22222100222011022
4
Quaternary
13223112201023
5
Quinary
230433224224
6
Senary
20440423055
8
Octal
753264113
10
Decimal
128804939
12
Duodecimal
37177a8b
16
Hexadecimal
7ad684b
20
Vigesimal
2050c6j
36
Base36
24oqiz
md5
f5923a9a09cf1cb101df335125e8c2b2
sha1
d74782f4a375498b07da54f59b6493ef0e3a699a
sha256
c9cbdd544af87e22d01b4e53db33880809b67d83ac663110161d81df7dcf04e1
sha512
4e40f1c10c17745f2f6df6fd6dec1552c6c6b06c109bc593a1aff35d953aafe8a9399fdb6805f49297379fcfdf18e2a21d4533a7525110f6cfc6e16c679e515f
ripemd-160
c200b6820ffbc25ffb47741a461fb92c3ee0551e
Diameter
257609878
Circumference
809305300.21696
Area
5.2121259913411E+16
Volume
8.9513009383334E+24
Surface area
2.0848503965365E+17
Circumference
809305300.21696
Perimeter
515219756
Area
16590712310793721
Diagonal
182157691.63444
Surface area
99544273864762326
Volume
2.1369656871583E+24
Space diagonal
223096698.61381
Perimeter
386414817
Area
7.1839891640133E+15
Altitude
111548349.3069
Surface area
7.1839891640133E+15
Volume
2.5184382142544E+23
Height
60719230.544813