128888925 is an odd 9-digits composite number following 128888924
and preceding 128888926 . In scientific notation, it is written as 1.28888925 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 62491200 positive integers (up to 128888925) that are relatively prime to 128888925.
128888925 has 16 divisors, whose sum is 179976960
The reverse of 128888925 is 529888821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-eight million eight hundred eighty-eight thousand nine hundred twenty-five
Scientific notation
1.28888925 × 10^8
Engineering notation
1.28888925 × 10^6
Prime Factorization
15 × 5 × 11 × 156229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128888925
Product of the distinct prime numbers
The prime factorization of 128888925 is 15 × 5 × 11 × 156229.
Since it has a total of 4 prime factors.
10 , 2 , 88 , 97 , 901 , 510 , 5486 , 3517 , 10790 , 18335 , 327793 , 915443 , 9453288 , 774457 , 79510488 , 94371283 , 881576400 , 226938200 , 1888227177 , 280874787
n×2
257777850
n×3
386666775
n×4
515555700
n×5
644444625
n÷2
64444462.5
n÷3
42962975
n÷3
32222231.25
n÷5
25777785
n2
16612354987655625
n3
2.1411485760773E+24
n4
2.7597033823589E+32
n5
3.556952022711E+40
2 √n
11352.925834339
3 √n
505.13237061972
4 √n
106.55010949942
5 √n
41.883514841798
1 , 5 , 11 , 15 , 55 , 75 , 165 , 825 , 156229 , 781145 , 1718519 , 2343435 , 8592595 , 11717175 , 25777785 , 128888925
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
-128888924
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 128888925 can be divided by 16 positive divisors.
The sum of these divisors (counting 128888925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011101011000001011101
3
Ternary
22222112020100220
4
Quaternary
13223223001131
5
Quinary
230443421200
6
Senary
20442311553
8
Octal
753530135
10
Decimal
128888925
12
Duodecimal
371b85b9
16
Hexadecimal
7aeb05d
20
Vigesimal
205b265
36
Base36
24qjbx
md5
20b2f9def1524eead84a6733c056a9aa
sha1
657cf9f69712d88e2ebfad2535ff19e648983bd1
sha256
13b62479c91e5913150c32d9ae88f5b99e56ff8a060706491e3528c79424a2e9
sha512
06458228f048f4ab809d3c89657ffcc4412302d3403555fb6de0722751b4cb974d086321324ea0760368997972848873182c499d8679252451ee90f0a2e39c41
ripemd-160
7aad074a57846363f76d77a49abed0990d3ede4f
Diameter
257777850
Circumference
809832999.81817
Area
5.2189252388045E+16
Volume
8.968822182465E+24
Surface area
2.0875700955218E+17
Circumference
809832999.81817
Perimeter
515555700
Area
16612354987655625
Diagonal
182276465.77469
Surface area
99674129925933750
Volume
2.1411485760773E+24
Space diagonal
223242166.63293
Perimeter
386666775
Area
7.1933607179974E+15
Altitude
111621083.31647
Surface area
7.1933607179974E+15
Volume
2.5233677961203E+23
Height
60758821.924896