121392015 is an odd 9-digits composite number following 121392014
and preceding 121392016 . In scientific notation, it is written as 1.21392015 × 10^8.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 64742400 positive integers (up to 121392015) that are relatively prime to 121392015.
121392015 has 4 divisors, whose sum is 129484832
The reverse of 121392015 is 510293121
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-one million three hundred ninety-two thousand fifteen
Scientific notation
1.21392015 × 10^8
Engineering notation
1.21392015 × 10^6
Prime Factorization
15 × 8092801
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121392015
Product of the distinct prime numbers
The prime factorization of 121392015 is 15 × 8092801.
Since it has a total of 2 prime factors.
8 , 8 , 21 , 85 , 162 , 886 , 366 , 9672 , 48727 , 91666 , 419841 , 708659 , 6809168 , 4991662 , 96436019 , 27517685 , 744817658 , 10438753 , 6374961822 , 5457650097
n×2
242784030
n×3
364176045
n×4
485568060
n×5
606960075
n÷2
60696007.5
n÷3
40464005
n÷3
30348003.75
n÷5
24278403
n2
14736021305760225
n3
1.7888353193892E+24
n4
2.1715032392382E+32
n5
2.6360315379015E+40
2 √n
11017.804454609
3 √n
495.14231190272
4 √n
104.96572990557
5 √n
41.384529690619
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
-121392014
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 121392015 can be divided by 4 positive divisors.
The sum of these divisors (counting 121392015) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111000100101110001111
3
Ternary
22110102100112120
4
Quaternary
13033010232033
5
Quinary
222034021030
6
Senary
20013504023
8
Octal
717045617
10
Decimal
121392015
12
Duodecimal
347a2013
16
Hexadecimal
73c4b8f
20
Vigesimal
1hie00f
36
Base36
209uof
md5
25407521d98d415631ae2b0b12ef25c7
sha1
db31a6da4dcb8d8845a4faf8a890c55f24e545fe
sha256
0d7d2afc8ede9b245f8e6b32f81226e6aab9e6b227b7b798d7a1a2caa9c7d4dd
sha512
9f9ec1166aa96ebe01b794dc43e0516a92c267a1aacaf765d95f96df2686a368f11c112698cbfbb47b3cd1b331944a5130e3ad02302361164f8026a1574b04df
ripemd-160
a5686f37ef772b2c05c1fd0540f82a382557cc0b
Diameter
242784030
Circumference
762728525.05692
Area
4.6294576277319E+16
Volume
7.4930558638333E+24
Surface area
1.8517830510928E+17
Circumference
762728525.05692
Perimeter
485568060
Area
14736021305760225
Diagonal
171674233.9768
Surface area
88416127834561350
Volume
1.7888353193892E+24
Space diagonal
210257137.61316
Perimeter
364176045
Area
6.3808844007485E+15
Altitude
105128568.80658
Surface area
6.3808844007485E+15
Volume
2.1081626412768E+23
Height
57224744.658933