128502007 is an odd 9-digits composite number following 128502006
and preceding 128502008 . In scientific notation, it is written as 1.28502007 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 128422800 positive integers (up to 128502007) that are relatively prime to 128502007.
128502007 has 4 divisors, whose sum is 128581216
The reverse of 128502007 is 700205821
Previous prime number is 1657
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-eight million five hundred two thousand seven
Scientific notation
1.28502007 × 10^8
Engineering notation
1.28502007 × 10^6
Prime Factorization
1657 × 77551
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128502007
Product of the distinct prime numbers
The prime factorization of 128502007 is 1657 × 77551.
Since it has a total of 2 prime factors.
8 , 4 , 23 , 79 , 686 , 291 , 3109 , 9616 , 72962 , 35630 , 614712 , 636442 , 2482787 , 9687639 , 22382658 , 59679070 , 431962389 , 988532311 , 7059175142 , 2109837034
n×2
257004014
n×3
385506021
n×4
514008028
n×5
642510035
n÷2
64251003.5
n÷3
42834002.333333
n÷3
32125501.75
n÷5
25700401.4
n2
16512765803028049
n3
2.1219235468101E+24
n4
2.7267143446565E+32
n5
3.5038826580405E+40
2 √n
11335.872573384
3 √n
504.62640342048
4 √n
106.47005482005
5 √n
41.858338155536
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128502006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128502007 can be divided by 4 positive divisors.
The sum of these divisors (counting 128502007) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010001100100011110111
3
Ternary
22221210120121121
4
Quaternary
13222030203313
5
Quinary
230344031012
6
Senary
20430124411
8
Octal
752144367
10
Decimal
128502007
12
Duodecimal
37050707
16
Hexadecimal
7a8c8f7
20
Vigesimal
2032f07
36
Base36
24i8s7
md5
ce4da77972d3616fbdb6ad631b20daa5
sha1
301dbfc5e173afb5284e9081d41105bee05bb2a6
sha256
81e9a0e35a27629db2963f268b8dabdedf0e4b8e77fe2dff442d886fed51d8e1
sha512
865efecdc71fa40d64ea3a01311d35de46756c9e1075f4ce9cb8ee856a530c07dcc6146b314b8703936750fb54281769fd23a38371ffc84d7ecc87067a9b111e
ripemd-160
4d47ef3750056bcafc5acf01efa7457d361ee5ec
Diameter
257004014
Circumference
807401922.32549
Area
5.1876383737242E+16
Volume
8.8882925681836E+24
Surface area
2.0750553494897E+17
Circumference
807401922.32549
Perimeter
514008028
Area
16512765803028049
Diagonal
181729281.09156
Surface area
99076594818168294
Volume
2.1219235468101E+24
Space diagonal
222572004.99857
Perimeter
385506021
Area
7.1502373360826E+15
Altitude
111286002.49929
Surface area
7.1502373360826E+15
Volume
2.500710881848E+23
Height
60576427.030521