121021609 is an odd 9-digits composite number following 121021608
and preceding 121021610 . In scientific notation, it is written as 1.21021609 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 120998016 positive integers (up to 121021609) that are relatively prime to 121021609.
121021609 has 4 divisors, whose sum is 121045204
The reverse of 121021609 is 906120121
Previous prime number is 16057
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred twenty-one million twenty-one thousand six hundred nine
Scientific notation
1.21021609 × 10^8
Engineering notation
1.21021609 × 10^6
Prime Factorization
16057 × 7537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121021609
Product of the distinct prime numbers
The prime factorization of 121021609 is 16057 × 7537.
Since it has a total of 2 prime factors.
6 , 10 , 4 , 56 , 383 , 845 , 4612 , 9481 , 56270 , 34260 , 932848 , 288692 , 3873548 , 8712214 , 88940382 , 60635634 , 857962352 , 193218349 , 4628522947 , 3908225527
n×2
242043218
n×3
363064827
n×4
484086436
n×5
605108045
n÷2
60510804.5
n÷3
40340536.333333
n÷3
30255402.25
n÷5
24204321.8
n2
14646229844948881
n3
1.7725103016195E+24
n4
2.1451204867107E+32
n5
2.5960593280059E+40
2 √n
11000.982183423
3 √n
494.63818609945
4 √n
104.88556708825
5 √n
41.359243312423
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
-121021608
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 121021609 can be divided by 4 positive divisors.
The sum of these divisors (counting 121021609) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001101101010010010101001
3
Ternary
22102201112102211
4
Quaternary
13031222102221
5
Quinary
221440142414
6
Senary
20001525121
8
Octal
715522251
10
Decimal
121021609
12
Duodecimal
346437a1
16
Hexadecimal
736a4a9
20
Vigesimal
1hg7e09
36
Base36
201wvd
md5
87e770780dc5616e23e49ccc4b23819b
sha1
bc98bb2b5548f781841683f4ccb58ba45805f2d5
sha256
a0ca2c72dfb89d401621e5a608fb7616aacc6eebfca70ecbacd589852487fe46
sha512
99e83fce56819abdb8c0733321096f2f6e6fbdad52677452ac88cfff1adf6f565d35237d1c8eb120a4c322ae1008cf651131f2612250e56fb0582689cacf7018
ripemd-160
3abe0811ea8feff4e635ddcdd349f77ec0b7a01f
Diameter
242043218
Circumference
760401195.52003
Area
4.6012488083679E+16
Volume
7.4246737893069E+24
Surface area
1.8404995233472E+17
Circumference
760401195.52003
Perimeter
484086436
Area
14646229844948881
Diagonal
171150400.78801
Surface area
87877379069693286
Volume
1.7725103016195E+24
Space diagonal
209615575.60173
Perimeter
363064827
Area
6.3420035576958E+15
Altitude
104807787.80087
Surface area
6.3420035576958E+15
Volume
2.0889234233303E+23
Height
57050133.596005