128552907 is an odd 9-digits composite number following 128552906
and preceding 128552908 . In scientific notation, it is written as 1.28552907 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 73458792 positive integers (up to 128552907) that are relatively prime to 128552907.
128552907 has 8 divisors, whose sum is 195890176
The reverse of 128552907 is 709255821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million five hundred fifty-two thousand nine hundred seven
Scientific notation
1.28552907 × 10^8
Engineering notation
1.28552907 × 10^6
Prime Factorization
7 × 3 × 6121567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128552907
Product of the distinct prime numbers
The prime factorization of 128552907 is 7 × 3 × 6121567.
Since it has a total of 3 prime factors.
8 , 10 , 69 , 81 , 509 , 982 , 754 , 3633 , 45118 , 64137 , 782758 , 707853 , 2987204 , 5628695 , 3460970 , 178283 , 99576433 , 74056913 , 4117464129 , 5109790715
n×2
257105814
n×3
385658721
n×4
514211628
n×5
642764535
n÷2
64276453.5
n÷3
42850969
n÷3
32138226.75
n÷5
25710581.4
n2
16525849898150649
n3
2.1244460450529E+24
n4
2.7310371485621E+32
n5
3.5108276457264E+40
2 √n
11338.11743633
3 √n
504.6930225961
4 √n
106.48059652505
5 √n
41.861653670942
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
-128552906
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 128552907 can be divided by 8 positive divisors.
The sum of these divisors (counting 128552907) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010011000111111001011
3
Ternary
22221220011102210
4
Quaternary
13222120333023
5
Quinary
230402143112
6
Senary
20431200203
8
Octal
752307713
10
Decimal
128552907
12
Duodecimal
37076063
16
Hexadecimal
7a98fcb
20
Vigesimal
2039257
36
Base36
24jc23
md5
9ce7a66129ddaec7effe24c67a2236f4
sha1
c5dbb3737606e1f81deeb1c064de168eafbcd479
sha256
c73f718d9f9fb3138f603f93f172ece661d43a2e507a44522780e9efbedbcd99
sha512
4660141bee5bae7febc55381ec44a5f0ac35dd73b99ce4ffcb5b856e205e56a7fd0cc3da183166470768db1d8685074d53856ae49c73fa200b1bb0e57dec815e
ripemd-160
3c01cb0629b41315f8bd68796e1d6325b179af89
Diameter
257105814
Circumference
807721736.45762
Area
5.1917488634358E+16
Volume
8.8988587841149E+24
Surface area
2.0766995453743E+17
Circumference
807721736.45762
Perimeter
514211628
Area
16525849898150649
Diagonal
181801264.56189
Surface area
99155099388903894
Volume
2.1244460450529E+24
Space diagonal
222660166.38468
Perimeter
385658721
Area
7.1559029154635E+15
Altitude
111330083.19234
Surface area
7.1559029154635E+15
Volume
2.5036836745364E+23
Height
60600421.520629