128535839 is an odd 9-digits composite number following 128535838
and preceding 128535840 . In scientific notation, it is written as 1.28535839 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 128431680 positive integers (up to 128535839) that are relatively prime to 128535839.
128535839 has 4 divisors, whose sum is 128640000
The reverse of 128535839 is 938535821
Previous prime number is 1249
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million five hundred thirty-five thousand eight hundred thirty-nine
Scientific notation
1.28535839 × 10^8
Engineering notation
1.28535839 × 10^6
Prime Factorization
1249 × 102911
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128535839
Product of the distinct prime numbers
The prime factorization of 128535839 is 1249 × 102911.
Since it has a total of 2 prime factors.
4 , 3 , 7 , 29 , 649 , 621 , 374 , 1670 , 27069 , 76254 , 249763 , 607027 , 4373571 , 1386503 , 16024039 , 87073493 , 732807342 , 245773570 , 1287659016 , 7867043452
n×2
257071678
n×3
385607517
n×4
514143356
n×5
642679195
n÷2
64267919.5
n÷3
42845279.666667
n÷3
32133959.75
n÷5
25707167.8
n2
16521461907433921
n3
2.1235999677786E+24
n4
2.7295870355879E+32
n5
3.5084975974281E+40
2 √n
11337.364729072
3 √n
504.67068553667
4 √n
106.47706198554
5 √n
41.860542015562
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
-128535838
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 128535839 can be divided by 4 positive divisors.
The sum of these divisors (counting 128535839) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010010100110100011111
3
Ternary
22221212022000122
4
Quaternary
13222110310133
5
Quinary
230401121324
6
Senary
20430545155
8
Octal
752246437
10
Decimal
128535839
12
Duodecimal
370681bb
16
Hexadecimal
7a94d1f
20
Vigesimal
2036jbj
36
Base36
24iyvz
md5
3dd89d79ca228ba4f53ef77e336c1ff6
sha1
64fd6d1c4360220af057d5cbfe1cde2ed93d2841
sha256
30c3c4ba3b6355c04ba9cabd25cd4caaaa4c7fccd9e013b9f4a562820eb315f4
sha512
c07adf6e8b92aa7770ceb82eadc3b0f0dd442449bc6d2105ded01c81c818e1e303af488a0bdfa1e664676fcdf945dd911cdcfd813ed4693da2af8262d3d8d722
ripemd-160
e5c5d63a6ae75969c404ae0baaa6048f2431921b
Diameter
257071678
Circumference
807614495.0508
Area
5.1903703354958E+16
Volume
8.8953147439155E+24
Surface area
2.0761481341983E+17
Circumference
807614495.0508
Perimeter
514143356
Area
16521461907433921
Diagonal
181777126.7648
Surface area
99128771444603526
Volume
2.1235999677786E+24
Space diagonal
222630603.74149
Perimeter
385607517
Area
7.1540028597473E+15
Altitude
111315301.87075
Surface area
7.1540028597473E+15
Volume
2.5026865629063E+23
Height
60592375.588268