128540907 is an odd 9-digits composite number following 128540906
and preceding 128540908 . In scientific notation, it is written as 1.28540907 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 76736880 positive integers (up to 128540907) that are relatively prime to 128540907.
128540907 has 16 divisors, whose sum is 158140800
The reverse of 128540907 is 709045821
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million five hundred forty thousand nine hundred seven
Scientific notation
1.28540907 × 10^8
Engineering notation
1.28540907 × 10^6
Prime Factorization
9 × 11 × 67 × 19379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128540907
Product of the distinct prime numbers
The prime factorization of 128540907 is 9 × 11 × 67 × 19379.
Since it has a total of 4 prime factors.
6 , 7 , 79 , 5 , 468 , 674 , 4591 , 7273 , 50352 , 96577 , 875927 , 675464 , 1479478 , 1064100 , 84405866 , 76954945 , 651148129 , 262825226 , 1799131525 , 7662973519
n×2
257081814
n×3
385622721
n×4
514163628
n×5
642704535
n÷2
64270453.5
n÷3
42846969
n÷3
32135226.75
n÷5
25708181.4
n2
16522764772382649
n3
2.1238511699897E+24
n4
2.7300175572349E+32
n5
3.509189329329E+40
2 √n
11337.588235599
3 √n
504.6773182845
4 √n
106.47811153284
5 √n
41.860872111639
1 , 9 , 11 , 67 , 99 , 603 , 737 , 6633 , 19379 , 174411 , 213169 , 1298393 , 1918521 , 11685537 , 14282323 , 128540907
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
-128540906
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 128540907 can be divided by 16 positive divisors.
The sum of these divisors (counting 128540907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010110000011101011
3
Ternary
22221212112222100
4
Quaternary
13222112003223
5
Quinary
230401302112
6
Senary
20431024443
8
Octal
752260353
10
Decimal
128540907
12
Duodecimal
3706b123
16
Hexadecimal
7a960eb
20
Vigesimal
2037c57
36
Base36
24j2sr
md5
cee677c4c5c0f73b4bb93f6101302a31
sha1
de84b742ee433c6b1a652e5809c7e90a1f987233
sha256
5ca21512f7bf1976868c25abb71adcdd0c8bbdf37dd11dc8404957df6e24f4d8
sha512
6895dd5f2ae82afc8dd50c9d5135b8ca9d44348a530d327d0efc504690786b282d22b9ad4a1798c3b910e455bbb77fc897ccfaecdff83af8b0f60a1947b40407
ripemd-160
b7288ccd4356b0fdcbc38687dc73370d894bbb47
Diameter
257081814
Circumference
807646338.23394
Area
5.190779642591E+16
Volume
8.896366977277E+24
Surface area
2.0763118570364E+17
Circumference
807646338.23394
Perimeter
514163628
Area
16522764772382649
Diagonal
181784293.99914
Surface area
99136588634295894
Volume
2.1238511699897E+24
Space diagonal
222639381.77499
Perimeter
385622721
Area
7.154567016819E+15
Altitude
111319690.88749
Surface area
7.154567016819E+15
Volume
2.5029826075512E+23
Height
60594764.66638