121506581 is an odd 9-digits composite number following 121506580
and preceding 121506582 . In scientific notation, it is written as 1.21506581 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 102183120 positive integers (up to 121506581) that are relatively prime to 121506581.
121506581 has 8 divisors, whose sum is 141485184
The reverse of 121506581 is 185605121
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million five hundred six thousand five hundred eighty-one
Scientific notation
1.21506581 × 10^8
Engineering notation
1.21506581 × 10^6
Prime Factorization
7 × 53 × 327511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121506581
Product of the distinct prime numbers
The prime factorization of 121506581 is 7 × 53 × 327511.
Since it has a total of 3 prime factors.
1 , 10 , 50 , 25 , 368 , 621 , 3436 , 8231 , 42340 , 6620 , 64849 , 340639 , 3670286 , 4094547 , 9627460 , 30172039 , 310202132 , 83063695 , 4048711721 , 5116034390
n×2
243013162
n×3
364519743
n×4
486026324
n×5
607532905
n÷2
60753290.5
n÷3
40502193.666667
n÷3
30376645.25
n÷5
24301316.2
n2
14763849226309561
n3
1.7939048418884E+24
n4
2.179712439772E+32
n5
2.6484940611987E+40
2 √n
11023.002358704
3 √n
495.29802955267
4 √n
104.99048699146
5 √n
41.392338229228
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
-121506580
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 121506581 can be divided by 8 positive divisors.
The sum of these divisors (counting 121506581) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111100000101100010101
3
Ternary
22110122011200202
4
Quaternary
13033200230111
5
Quinary
222101202311
6
Senary
20020150245
8
Octal
717405425
10
Decimal
121506581
12
Duodecimal
34838385
16
Hexadecimal
73e0b15
20
Vigesimal
1hj8691
36
Base36
20cb2t
md5
979a1f1883749158ff43c2d4cc3a2339
sha1
d23d3071a0c8ac83cb05c5d1f74e6adf862237d8
sha256
7d1e4cdbb8a47a32ccc47ef0d2745052d4caacfada6591f03d4ee94e78683039
sha512
db74b56dde334492b28ff4a92f9f42d1aca286440074f7944291cc090c2a37fccf0d4bb6c6324d859b0f7ef8dfe0c5d95a667e83a6f1b90660538f1ec063d7ab
ripemd-160
c2d7eb217dbd014c17c81939697c68220ecd8fb7
Diameter
243013162
Circumference
763448364.46483
Area
4.6382000268081E+16
Volume
7.5142910300209E+24
Surface area
1.8552800107233E+17
Circumference
763448364.46483
Perimeter
486026324
Area
14763849226309561
Diagonal
171836254.76779
Surface area
88583095357857366
Volume
1.7939048418884E+24
Space diagonal
210455571.74598
Perimeter
364519743
Area
6.3929342438137E+15
Altitude
105227785.87299
Surface area
6.3929342438137E+15
Volume
2.1141371308377E+23
Height
57278751.589262