128940001 is an odd 9-digits composite number following 128940000
and preceding 128940002 . In scientific notation, it is written as 1.28940001 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 123187680 positive integers (up to 128940001) that are relatively prime to 128940001.
128940001 has 8 divisors, whose sum is 134705664
The reverse of 128940001 is 100049821
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-eight million nine hundred forty thousand one
Scientific notation
1.28940001 × 10^8
Engineering notation
1.28940001 × 10^6
Prime Factorization
23 × 991 × 5657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128940001
Product of the distinct prime numbers
The prime factorization of 128940001 is 23 × 991 × 5657.
Since it has a total of 3 prime factors.
8 , 5 , 39 , 81 , 569 , 98 , 5423 , 457 , 98050 , 52979 , 959902 , 913934 , 2102759 , 6867726 , 35614263 , 72041887 , 842557702 , 696609120 , 9493343816 , 9298233162
n×2
257880002
n×3
386820003
n×4
515760004
n×5
644700005
n÷2
64470000.5
n÷3
42980000.333333
n÷3
32235000.25
n÷5
25788000.2
n2
16625523857880001
n3
2.1436950628606E+24
n4
2.7640804354894E+32
n5
3.5640053411608E+40
2 √n
11355.175075709
3 √n
505.19908629161
4 √n
106.56066382915
5 √n
41.886833828886
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
-128940000
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 128940001 can be divided by 8 positive divisors.
The sum of these divisors (counting 128940001) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011110111011111100001
3
Ternary
22222121211102121
4
Quaternary
13223313133201
5
Quinary
231002040001
6
Senary
20443344241
8
Octal
753673741
10
Decimal
128940001
12
Duodecimal
37222081
16
Hexadecimal
7af77e1
20
Vigesimal
205ha01
36
Base36
24rmqp
md5
a38f1b421f09c01b19703d3998faa999
sha1
93aa385453afa12c28f0475859a57ecc0e99f772
sha256
8a92e3e581edf469bdd91c0c152f4047cefdb6cd8a75211c23c6f9cbc519d007
sha512
e769ff8978ce783ea122ce509c4bbd11554c2e927e5ce43e2a43860b639aed2d2be9c31193aac94b4377a26d4bf2b5ce74da59d9d8ad1bab731c9b0c8973aa8d
ripemd-160
6f211ccf8c0e9b51607508e9ad65a31ba28324f8
Diameter
257880002
Circumference
810153919.79092
Area
5.2230623613998E+16
Volume
8.9794888813593E+24
Surface area
2.0892249445599E+17
Circumference
810153919.79092
Perimeter
515760004
Area
16625523857880001
Diagonal
182348698.1466
Surface area
99753143147280006
Volume
2.1436950628606E+24
Space diagonal
223330632.85998
Perimeter
386820003
Area
7.1990630060742E+15
Altitude
111665316.42999
Surface area
7.1990630060742E+15
Volume
2.5263688595747E+23
Height
60782899.3822