121438085 is an odd 9-digits composite number following 121438084
and preceding 121438086 . In scientific notation, it is written as 1.21438085 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 97150464 positive integers (up to 121438085) that are relatively prime to 121438085.
121438085 has 4 divisors, whose sum is 145725708
The reverse of 121438085 is 580834121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-one million four hundred thirty-eight thousand eighty-five
Scientific notation
1.21438085 × 10^8
Engineering notation
1.21438085 × 10^6
Prime Factorization
5 × 24287617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121438085
Product of the distinct prime numbers
The prime factorization of 121438085 is 5 × 24287617.
Since it has a total of 2 prime factors.
9 , 10 , 75 , 1 , 995 , 169 , 9105 , 2889 , 5700 , 50645 , 938794 , 844327 , 6712597 , 6314975 , 1930458 , 79468240 , 107850497 , 39570952 , 953530197 , 7772498658
n×2
242876170
n×3
364314255
n×4
485752340
n×5
607190425
n÷2
60719042.5
n÷3
40479361.666667
n÷3
30359521.25
n÷5
24287617
n2
14747208488467225
n3
1.7908727579352E+24
n4
2.1748015820232E+32
n5
2.6410373937587E+40
2 √n
11019.894963202
3 √n
495.20494183543
4 √n
104.97568748621
5 √n
41.387670417656
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
-121438084
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 121438085 can be divided by 4 positive divisors.
The sum of these divisors (counting 121438085) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111001111111110000101
3
Ternary
22110111200201212
4
Quaternary
13033033332011
5
Quinary
222042004320
6
Senary
20014501205
8
Octal
717177605
10
Decimal
121438085
12
Duodecimal
34804805
16
Hexadecimal
73cff85
20
Vigesimal
1hijf45
36
Base36
20au85
md5
f09a2938e841d56254df751a6613ce9b
sha1
4cde837be4533637ad7223b152582c3fc7974dd9
sha256
04f25ddb4b92756bf6d21eb4fce3ee27b9a4a957e2440dbe467e84c800a87721
sha512
7d4e2d85a4a1116ff467b3ee351dcf3a246c705785f9e9fabf401ae290af6b7e636fb8124b8a293eb6bae8979dc37bb20f8141ae823883dcbb49eb3a0074344c
ripemd-160
ee7a4d49e058ba3c8528f77229d80ba880db5014
Diameter
242876170
Circumference
763017991.40403
Area
4.6329721848326E+16
Volume
7.5015902664578E+24
Surface area
1.853188873933E+17
Circumference
763017991.40403
Perimeter
485752340
Area
14747208488467225
Diagonal
171739386.79562
Surface area
88483250930803350
Volume
1.7908727579352E+24
Space diagonal
210336933.19387
Perimeter
364314255
Area
6.3857285929591E+15
Altitude
105168466.59693
Surface area
6.3857285929591E+15
Volume
2.1105637856304E+23
Height
57246462.265206