121021657 is an odd 9-digits composite number following 121021656
and preceding 121021658 . In scientific notation, it is written as 1.21021657 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 113902720 positive integers (up to 121021657) that are relatively prime to 121021657.
121021657 has 4 divisors, whose sum is 128140596
The reverse of 121021657 is 756120121
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-one million twenty-one thousand six hundred fifty-seven
Scientific notation
1.21021657 × 10^8
Engineering notation
1.21021657 × 10^6
Prime Factorization
17 × 7118921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121021657
Product of the distinct prime numbers
The prime factorization of 121021657 is 17 × 7118921.
Since it has a total of 2 prime factors.
3 , 5 , 74 , 45 , 408 , 989 , 7194 , 316 , 73886 , 35323 , 547312 , 201330 , 38973 , 8120703 , 53591580 , 31004980 , 528281821 , 288120997 , 7961579446 , 6535923200
n×2
242043314
n×3
363064971
n×4
484086628
n×5
605108285
n÷2
60510828.5
n÷3
40340552.333333
n÷3
30255414.25
n÷5
24204331.4
n2
14646241463025649
n3
1.7725124106775E+24
n4
2.1451238899325E+32
n5
2.5960644762992E+40
2 √n
11000.984365047
3 √n
494.63825149447
4 √n
104.88557748826
5 √n
41.359246593231
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
-121021656
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 121021657 can be divided by 4 positive divisors.
The sum of these divisors (counting 121021657) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001101101010010011011001
3
Ternary
22102201112111121
4
Quaternary
13031222103121
5
Quinary
221440143112
6
Senary
20001525241
8
Octal
715522331
10
Decimal
121021657
12
Duodecimal
34643821
16
Hexadecimal
736a4d9
20
Vigesimal
1hg7e2h
36
Base36
201wwp
md5
c94b39dc6ce7a3514e587e8ea65d4d55
sha1
ad43feb9788bbc8a36e14be0def1fcef45a3ad8b
sha256
0fb9fad1b889352af4e70d60a50f9a54ad2134374736dc54d5dee8d663e7808c
sha512
dd78064a7878cc56d5f63cdd3c5a5be82eb4199319eea8dc35016354b0e71564a6394c57b722aa1af41472fc1527b32b43c25ac23e9ced6b4a035b96d7488dd2
ripemd-160
fa3376e62fe768b520a0ea6c23832c84076c8aa2
Diameter
242043314
Circumference
760401497.11293
Area
4.6012524582944E+16
Volume
7.4246826237081E+24
Surface area
1.8405009833177E+17
Circumference
760401497.11293
Perimeter
484086628
Area
14646241463025649
Diagonal
171150468.67026
Surface area
87877448778153894
Volume
1.7725124106775E+24
Space diagonal
209615658.74017
Perimeter
363064971
Area
6.3420085884706E+15
Altitude
104807829.37009
Surface area
6.3420085884706E+15
Volume
2.0889259088789E+23
Height
57050156.223422