128492055 is an odd 9-digits composite number following 128492054
and preceding 128492056 . In scientific notation, it is written as 1.28492055 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 66316320 positive integers (up to 128492055) that are relatively prime to 128492055.
128492055 has 32 divisors, whose sum is 235806720
The reverse of 128492055 is 550294821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million four hundred ninety-two thousand fifty-five
Scientific notation
1.28492055 × 10^8
Engineering notation
1.28492055 × 10^6
Prime Factorization
5 × 9 × 3 × 31 × 30703
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128492055
Product of the distinct prime numbers
The prime factorization of 128492055 is 5 × 9 × 3 × 31 × 30703.
Since it has a total of 5 prime factors.
9 , 4 , 91 , 7 , 533 , 494 , 7156 , 184 , 58144 , 21691 , 850569 , 807195 , 1479835 , 6684310 , 86553397 , 98604713 , 521759398 , 98740564 , 577521340 , 2653101529
n×2
256984110
n×3
385476165
n×4
513968220
n×5
642460275
n÷2
64246027.5
n÷3
42830685
n÷3
32123013.75
n÷5
25698411
n2
16510208198123025
n3
2.1214305798547E+24
n4
2.7258697474537E+32
n5
3.5025260551266E+40
2 √n
11335.433604411
3 √n
504.61337594141
4 √n
106.46799333326
5 √n
41.857689781092
1 , 3 , 5 , 9 , 15 , 27 , 31 , 45 , 93 , 135 , 155 , 279 , 465 , 837 , 1395 , 4185 , 30703 , 92109 , 153515 , 276327 , 460545 , 828981 , 951793 , 1381635 , 2855379 , 4144905 , 4758965 , 8566137 , 14276895 , 25698411 , 42830685 , 128492055
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128492054
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128492055 can be divided by 32 positive divisors.
The sum of these divisors (counting 128492055) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010001010001000010111
3
Ternary
22221210001222000
4
Quaternary
13222022020113
5
Quinary
230343221210
6
Senary
20430010343
8
Octal
752121027
10
Decimal
128492055
12
Duodecimal
370469b3
16
Hexadecimal
7a8a217
20
Vigesimal
2031a2f
36
Base36
24i13r
md5
2780c2f0cf322e26b1b5a55752fa652f
sha1
767af20550be43d40c9631457e7afba8ea8230ab
sha256
54a1e177bbac8ebfa2a2e6b914488355313e6782b793204f2b3497fc4d43bbf6
sha512
9abbf4fd242f4c552f982c98dd79d926a154bd96e738380968684ff6689252dbc070585455c47f1a46562148f3b637fc0eb1fd5534aeda44dca03bb508cd445d
ripemd-160
d7198df84598c063c74f95c541e626acffd3f7de
Diameter
256984110
Circumference
807339392.06531
Area
5.1868348784461E+16
Volume
8.8862276330296E+24
Surface area
2.0747339513785E+17
Circumference
807339392.06531
Perimeter
513968220
Area
16510208198123025
Diagonal
181715206.83819
Surface area
99061249188738150
Volume
2.1214305798547E+24
Space diagonal
222554767.62893
Perimeter
385476165
Area
7.1491298606723E+15
Altitude
111277383.81447
Surface area
7.1491298606723E+15
Volume
2.5001299147196E+23
Height
60571735.61273