128450691 is an odd 9-digits composite number following 128450690
and preceding 128450692 . In scientific notation, it is written as 1.28450691 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 80595648 positive integers (up to 128450691) that are relatively prime to 128450691.
128450691 has 12 divisors, whose sum is 186754568
The reverse of 128450691 is 196054821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million four hundred fifty thousand six hundred ninety-one
Scientific notation
1.28450691 × 10^8
Engineering notation
1.28450691 × 10^6
Prime Factorization
153 × 3 × 3 × 93283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42816897
Product of the distinct prime numbers
The prime factorization of 128450691 is 153 × 3 × 3 × 93283.
Since it has a total of 4 prime factors.
3 , 8 , 60 , 76 , 598 , 414 , 1051 , 6016 , 26481 , 97345 , 799337 , 842237 , 902855 , 5097031 , 24590006 , 87165277 , 223925426 , 458054556 , 3441060901 , 3666019968
n×2
256901382
n×3
385352073
n×4
513802764
n×5
642253455
n÷2
64225345.5
n÷3
42816897
n÷3
32112672.75
n÷5
25690138.2
n2
16499580018377481
n3
2.1193824545704E+24
n4
2.7223614078284E+32
n5
3.4968920398729E+40
2 √n
11333.608913316
3 √n
504.55922196313
4 √n
106.4594237882
5 √n
41.854994479081
1 , 3 , 9 , 153 , 459 , 1377 , 93283 , 279849 , 839547 , 14272299 , 42816897 , 128450691
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128450690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128450691 can be divided by 12 positive divisors.
The sum of these divisors (counting 128450691) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010000000000010000011
3
Ternary
22221200222020000
4
Quaternary
13222000002003
5
Quinary
230340410231
6
Senary
20425051043
8
Octal
752000203
10
Decimal
128450691
12
Duodecimal
37026a83
16
Hexadecimal
7a80083
20
Vigesimal
202g6eb
36
Base36
24h56r
md5
88c0d7027b3fa7abbc4084c747161bed
sha1
16272eb02d456fe96a2949d033189661b18671cf
sha256
732ef751fe38fa9e32a3d613df3f5df97dbfb77e67d4d08544db51c9219007c7
sha512
341a40095bbedd9b5b3d591229258af3e130b3068c3929b85d7502291786274d10b42bab9dccb3227a303d6e6e83fe50a4ebdc83763e2a712f6fb3d507c372b6
ripemd-160
497b52ff0f78f129f5f17e1c150d2c034639a9d6
Diameter
256901382
Circumference
807079494.38827
Area
5.1834959373052E+16
Volume
8.8776484659005E+24
Surface area
2.0733983749221E+17
Circumference
807079494.38827
Perimeter
513802764
Area
16499580018377481
Diagonal
181656709.3084
Surface area
98997480110264886
Volume
2.1193824545704E+24
Space diagonal
222483123.07933
Perimeter
385352073
Area
7.1445277238445E+15
Altitude
111241561.53967
Surface area
7.1445277238445E+15
Volume
2.4977161759242E+23
Height
60552236.436132