128986952 is an even 9-digits composite number following 128986951
and preceding 128986953 . In scientific notation, it is written as 1.28986952 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors.
There are 64399680 positive integers (up to 128986952) that are relatively prime to 128986952.
128986952 has 16 divisors, whose sum is 242202300
The reverse of 128986952 is 259689821
Previous prime number is 709
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred twenty-eight million nine hundred eighty-six thousand nine hundred fifty-two
Scientific notation
1.28986952 × 10^8
Engineering notation
1.28986952 × 10^6
Prime Factorization
2 × 2 × 2 × 709 × 22741
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
32246738 Product of the distinct prime numbers
The prime factorization of 128986952 is 2 × 2 × 2 × 709 × 22741.
Since it has a total of 5 prime factors.
10 , 3 , 61 , 36 , 741 , 785 , 8045 , 8293 , 29236 , 34813 , 183465 , 923134 , 9363466 , 9013732 , 91885657 , 705444 , 369078867 , 501637395 , 5865471410 , 1641752712
n×2
257973904
n×3
386960856
n×4
515947808
n×5
644934760
n÷2
64493476
n÷3
42995650.666667
n÷3
32246738
n÷5
25797390.4
n2
16637633786250304
n3
2.1460376705806E+24
n4
2.7681085800538E+32
n5
3.5704988854618E+40
2 √n11357.242270904
3 √n505.26039833258
4 √n106.57036300447
5 √n41.889883840269
1 , 2 , 4 , 8 , 709 , 1418 , 2836 , 5672 , 22741 , 45482 , 90964 , 181928 , 16123369 , 32246738 , 64493476 , 128986952
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
-128986951 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 128986952 can be divided by 16 positive divisors.
The sum of these divisors (counting 128986952) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100000010111101001000
3
Ternary
22222201012211112
4
Quaternary
13230002331020
5
Quinary
231010040302
6
Senary
20444345452
8
Octal
754027510
10
Decimal
128986952
12
Duodecimal
37245288
16
Hexadecimal
7b02f48
20
Vigesimal
206377c
36
Base36
24smyw
md5
d7c004d6294b2bc18cfc768daefee711
sha1
cbfbdbec9595f9218a1e01421e690dbbc4786a26
sha256
5fb1f75efe934921dafb047031d2420a6f51cb0e090e17364d2167d2da8fe912
sha512
653ddf21d2f147fdfbffc0e3786db19f8f75db9e45dad672ee21242f164578ecd76b38af169ab4da59e9fb9ca77118912fc6817af7d399b697b7cb2c5909e167
ripemd-160
da5a5feda139a108b7d77a90160cb329fe08c19f
Diameter
257973904
Circumference
810448921.62428
Area
5.2268668076001E+16
Volume
8.9893015736308E+24
Surface area
2.0907467230401E+17
Circumference
810448921.62428
Perimeter
515947808
Area
16637633786250304
Diagonal
182415096.88757
Surface area
99825802717501824
Volume
2.1460376705806E+24
Space diagonal
223411954.37745
Perimeter
386960856
Area
7.2043067588775E+15
Altitude
111705977.18872
Surface area
7.2043067588775E+15
Volume
2.5291296492489E+23
Height
60805032.295856