128561671 is an odd 9-digits composite number following 128561670
and preceding 128561672 . In scientific notation, it is written as 1.28561671 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 110195712 positive integers (up to 128561671) that are relatively prime to 128561671.
128561671 has 4 divisors, whose sum is 146927632
The reverse of 128561671 is 176165821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million five hundred sixty-one thousand six hundred seventy-one
Scientific notation
1.28561671 × 10^8
Engineering notation
1.28561671 × 10^6
Prime Factorization
7 × 18365953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128561671
Product of the distinct prime numbers
The prime factorization of 128561671 is 7 × 18365953.
Since it has a total of 2 prime factors.
9 , 10 , 2 , 92 , 882 , 579 , 6500 , 7549 , 44830 , 80794 , 638250 , 985499 , 6445014 , 4695175 , 31901841 , 72754274 , 591156478 , 153142743 , 4775842223 , 9751279134
n×2
257123342
n×3
385685013
n×4
514246684
n×5
642808355
n÷2
64280835.5
n÷3
42853890.333333
n÷3
32140417.75
n÷5
25712334.2
n2
16528103250312241
n3
2.1248805723207E+24
n4
2.7317819705298E+32
n5
3.5120245493899E+40
2 √n
11338.503913656
3 √n
504.70449136084
4 √n
106.48241128776
5 √n
41.862224432875
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
-128561670
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 128561671 can be divided by 4 positive divisors.
The sum of these divisors (counting 128561671) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010011011001000000111
3
Ternary
22221220121110101
4
Quaternary
13222123020013
5
Quinary
230402433141
6
Senary
20431304531
8
Octal
752331007
10
Decimal
128561671
12
Duodecimal
3707b147
16
Hexadecimal
7a9b207
20
Vigesimal
203a43b
36
Base36
24jitj
md5
7a7d8796891dc25c859a68df6f1a0fad
sha1
77a03f602e6270a1a323e5f96574c3ee889b7e26
sha256
25e1f1188fa43512483b05a703c12b45465a0b8fcb6662200147fc2340ee4b33
sha512
1ef2929f711e87508743c63bb8b14ab231d9656c2988e5e76e37cce5f9f4d5ae836e6658c33dc5dc0e41cd5f8b95bc219c40f6842e05e470933bae08f63f15c6
ripemd-160
b08f1e8eae31d29aa6502c99311c9bc6f7680c83
Diameter
257123342
Circumference
807776802.29366
Area
5.1924567748955E+16
Volume
8.9006789276777E+24
Surface area
2.0769827099582E+17
Circumference
807776802.29366
Perimeter
514246684
Area
16528103250312241
Diagonal
181813658.72955
Surface area
99168619501873446
Volume
2.1248805723207E+24
Space diagonal
222675346.07795
Perimeter
385685013
Area
7.1568786455713E+15
Altitude
111337673.03898
Surface area
7.1568786455713E+15
Volume
2.5041957698325E+23
Height
60604552.909849