128149969 is an odd 9-digits composite number following 128149968
and preceding 128149970 . In scientific notation, it is written as 1.28149969 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 124784640 positive integers (up to 128149969) that are relatively prime to 128149969.
128149969 has 8 divisors, whose sum is 131527368
The reverse of 128149969 is 969941821
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-eight million one hundred forty-nine thousand nine hundred sixty-nine
Scientific notation
1.28149969 × 10^8
Engineering notation
1.28149969 × 10^6
Prime Factorization
41 × 577 × 5417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128149969
Product of the distinct prime numbers
The prime factorization of 128149969 is 41 × 577 × 5417.
Since it has a total of 3 prime factors.
4 , 8 , 16 , 95 , 432 , 95 , 3753 , 192 , 59988 , 50112 , 105798 , 726112 , 2992243 , 1333552 , 15169831 , 14999109 , 326976832 , 208515913 , 2485126190 , 4109129539
n×2
256299938
n×3
384449907
n×4
512599876
n×5
640749845
n÷2
64074984.5
n÷3
42716656.333333
n÷3
32037492.25
n÷5
25629993.8
n2
16422414554700961
n3
2.1045319160901E+24
n4
2.6969569980645E+32
n5
3.456149556963E+40
2 √n
11320.334314851
3 √n
504.16516511934
4 √n
106.39705970961
5 √n
41.83537835856
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128149968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128149969 can be divided by 8 positive divisors.
The sum of these divisors (counting 128149969) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000110110100111010001
3
Ternary
22221010200201011
4
Quaternary
13220312213101
5
Quinary
230301244334
6
Senary
20414410521
8
Octal
750664721
10
Decimal
128149969
12
Duodecimal
36b00a41
16
Hexadecimal
7a369d1
20
Vigesimal
200iei9
36
Base36
24ap5d
md5
c60b28a045dbafe60e51d7a608bc8fb0
sha1
9d67d34aa2f4433fb2abc0b07f2fbcb4110a28e1
sha256
f11141737a3210c98ee03ee753ffd6b43fa27fc075ec1de459ba051b4730c5f5
sha512
08b88b484043de385c1bb14f47d6ec97ae6faa6850a8d1bca7c0b51a5bfbb21d355eb29acbc4c0320d52fd27b11498dbc3ad9e2d5c2a15be69f70be4d21af1d9
ripemd-160
afe7cc53c7484d3ec2357c3543159d5e9c5e9db5
Diameter
256299938
Circumference
805190002.33632
Area
5.1592536919255E+16
Volume
8.8154426757784E+24
Surface area
2.0637014767702E+17
Circumference
805190002.33632
Perimeter
512599876
Area
16422414554700961
Diagonal
181231424.17749
Surface area
98534487328205766
Volume
2.1045319160901E+24
Space diagonal
221962257.29638
Perimeter
384449907
Area
7.1111140979252E+15
Altitude
110981128.64819
Surface area
7.1111140979252E+15
Volume
2.4802146484847E+23
Height
60410474.725831