128400664 is an even 9-digits composite number following 128400663
and preceding 128400665 . In scientific notation, it is written as 1.28400664 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 55028832 positive integers (up to 128400664) that are relatively prime to 128400664.
128400664 has 16 divisors, whose sum is 275144400
The reverse of 128400664 is 466004821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million four hundred thousand six hundred sixty-four
Scientific notation
1.28400664 × 10^8
Engineering notation
1.28400664 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 2292869
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32100166
Product of the distinct prime numbers
The prime factorization of 128400664 is 2 × 2 × 2 × 7 × 2292869.
Since it has a total of 5 prime factors.
6 , 8 , 65 , 95 , 53 , 522 , 55 , 8437 , 33469 , 24019 , 121449 , 301862 , 647847 , 3386310 , 51940037 , 89058614 , 785221320 , 156787941 , 62625217 , 251269158
n×2
256801328
n×3
385201992
n×4
513602656
n×5
642003320
n÷2
64200332
n÷3
42800221.333333
n÷3
32100166
n÷5
25680132.8
n2
16486730515640896
n3
2.1169071453974E+24
n4
2.7181228309536E+32
n5
3.4900877632801E+40
2 √n
11331.401678522
3 √n
504.49371080184
4 √n
106.44905672913
5 √n
41.851733763135
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 2292869 , 4585738 , 9171476 , 16050083 , 18342952 , 32100166 , 64200332 , 128400664
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
-128400663
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 128400664 can be divided by 16 positive divisors.
The sum of these divisors (counting 128400664) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001110011110100011000
3
Ternary
22221121102121011
4
Quaternary
13221303310120
5
Quinary
230332310124
6
Senary
20424023304
8
Octal
751636430
10
Decimal
128400664
12
Duodecimal
37001b34
16
Hexadecimal
7a73d18
20
Vigesimal
202a1d4
36
Base36
24g2l4
md5
d6b7306057bbcd8024ff3fe1d9e8a857
sha1
84f6b8d2cb9843e1022763b1a13cc60540069556
sha256
cebe2c48696bbef8bcecdad1cf00e47a5430f57c857af234616ca1f8b5ab6a76
sha512
e580bae553892fadbad821238088342a865f03a71dc64d8e86568843f47ffd2b45629dd70c18e194d22ef0bc95fc99788d8bea5032b3e24428559c03f9135430
ripemd-160
e110542b945c46df1a31b36bc2d77b66d39e1b9a
Diameter
256801328
Circumference
806765165.4769
Area
5.1794591469652E+16
Volume
8.8672799150828E+24
Surface area
2.0717836587861E+17
Circumference
806765165.4769
Perimeter
513602656
Area
16486730515640896
Diagonal
181585960.44651
Surface area
98920383093845376
Volume
2.1169071453974E+24
Space diagonal
222396473.77358
Perimeter
385201992
Area
7.1389637259466E+15
Altitude
111198236.88679
Surface area
7.1389637259466E+15
Volume
2.4947989960879E+23
Height
60528653.48217