128746621 is an odd 9-digits prime number following 128746620
and preceding 128746622 . In scientific notation, it is written as 1.28746621 × 10^8.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 128746620 positive integers (up to 128746621) that are relatively prime to 128746621.
128746621 has 2 divisors, whose sum is 128746622
The reverse of 128746621 is 126647821
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 37 Digital Root 1
Name
one hundred twenty-eight million seven hundred forty-six thousand six hundred twenty-one
Scientific notation
1.28746621 × 10^8
Engineering notation
1.28746621 × 10^6
Prime Factorization
128746621
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
128746621 Product of the distinct prime numbers
The prime factorization of 128746621 is 128746621.
Since it has a total of 1 prime factors.
3 , 3 , 57 , 86 , 403 , 270 , 5039 , 1106 , 46273 , 95545 , 480592 , 790371 , 6933839 , 6198272 , 48116447 , 31695676 , 603736231 , 110720900 , 1343974387 , 746852170
n×2
257493242
n×3
386239863
n×4
514986484
n×5
643733105
n÷2
64373310.5
n÷3
42915540.333333
n÷3
32186655.25
n÷5
25749324.2
n2
16575692418917641
n3
2.134064389671E+24
n4
2.7475357916656E+32
n5
3.5373594925351E+40
2 √n11346.656820403
3 √n504.94639956547
4 √n106.52068728845
5 √n41.874262183886
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
128746622 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64373311 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11346.656864469 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999844656 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128746621 can be divided by 2 positive divisors.
The sum of these divisors (counting 128746621) is 128746622, the average is 64373311.
Base
System
Value
2
Binary
111101011001000010001111101
3
Ternary
22222021000011101
4
Quaternary
13223020101331
5
Quinary
230424342441
6
Senary
20435253101
8
Octal
753102175
10
Decimal
128746621
12
Duodecimal
3714a191
16
Hexadecimal
7ac847d
20
Vigesimal
204d6b1
36
Base36
24nhj1
md5
a06f11d1ad68e36dbf36dd0fa476e631
sha1
e310dabee9f97782fde76d0aa97ebafd1f9659f6
sha256
8338c4ebb629f64850be7339b7ecdc21826ce5f6b7432c016b1493e29a5461c3
sha512
17e36f6173014b11f49da694398839f4d41c7d0e74fd98f232bbc7efe164140d2b9a6963b7eff52dd038970035ba17dcf53d668fd5d86239a033edd8fe54b237
ripemd-160
2f54474f74157484115a330d5aaa406c9066b162
Diameter
257493242
Circumference
808938877.41622
Area
5.2074073531436E+16
Volume
8.9391480118372E+24
Surface area
2.0829629412574E+17
Circumference
808938877.41622
Perimeter
514986484
Area
16575692418917641
Diagonal
182075217.52791
Surface area
99454154513505846
Volume
2.134064389671E+24
Space diagonal
222995688.87481
Perimeter
386239863
Area
7.1774853600499E+15
Altitude
111497844.43741
Surface area
7.1774853600499E+15
Volume
2.5150190023751E+23
Height
60691739.17597