128427907 is an odd 9-digits prime number following 128427906
and preceding 128427908 . In scientific notation, it is written as 1.28427907 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 128427906 positive integers (up to 128427907) that are relatively prime to 128427907.
128427907 has 2 divisors, whose sum is 128427908
The reverse of 128427907 is 709724821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
one hundred twenty-eight million four hundred twenty-seven thousand nine hundred seven
Scientific notation
1.28427907 × 10^8
Engineering notation
1.28427907 × 10^6
Prime Factorization
128427907
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128427907 Product of the distinct prime numbers
The prime factorization of 128427907 is 128427907.
Since it has a total of 1 prime factors.
7 , 9 , 53 , 81 , 5 , 143 , 1690 , 6987 , 46545 , 29567 , 840073 , 935261 , 2353676 , 3989578 , 70873898 , 74923146 , 589468595 , 643781619 , 4959450907 , 2459591675
n×2
256855814
n×3
385283721
n×4
513711628
n×5
642139535
n÷2
64213953.5
n÷3
42809302.333333
n÷3
32106976.75
n÷5
25685581.4
n2
16493727296400649
n3
2.1182548753055E+24
n4
2.7204304012803E+32
n5
3.493791825756E+40
2 √n11332.60371671
3 √n504.52938805829
4 √n106.45470265193
5 √n41.853509563968
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128427908 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64213954 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11332.603760831 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844271 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128427907 can be divided by 2 positive divisors.
The sum of these divisors (counting 128427907) is 128427908, the average is 64213954.
Base
System
Value
2
Binary
111101001111010011110000011
3
Ternary
22221122210222011
4
Quaternary
13221322132003
5
Quinary
230334143112
6
Senary
20424353351
8
Octal
751723603
10
Decimal
128427907
12
Duodecimal
37015857
16
Hexadecimal
7a7a783
20
Vigesimal
202d9f7
36
Base36
24gnlv
md5
c69cba2a1f45fe8696c26379ad8b7ece
sha1
881ce10dbbc8cef6f6bd26d51deb2c673261ae82
sha256
c52779c93a46cb59d9eb91266829b84bf53d9708c391fff4d135494d7a0cf8a6
sha512
42c3f76a2c8f639fb75348c0b9099c7521b6dd72f191893a489fafc9dc9d78d1c41bd736f2eb71905d0221efa65f82af77030f3958145d9b1f153f66cc1d6589
ripemd-160
6bf84f5045600ef8feac0937ac1403a54abfb1bc
Diameter
256855814
Circumference
806936338.29423
Area
5.1816572504686E+16
Volume
8.8729252729207E+24
Surface area
2.0726629001874E+17
Circumference
806936338.29423
Perimeter
513711628
Area
16493727296400649
Diagonal
181624487.86659
Surface area
98962363778403894
Volume
2.1182548753055E+24
Space diagonal
222443660.03373
Perimeter
385283721
Area
7.1419934208879E+15
Altitude
111221830.01687
Surface area
7.1419934208879E+15
Volume
2.4963873110166E+23
Height
60541495.95553