121998217 is an odd 9-digits composite number following 121998216
and preceding 121998218 . In scientific notation, it is written as 1.21998217 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 110907460 positive integers (up to 121998217) that are relatively prime to 121998217.
121998217 has 4 divisors, whose sum is 133088976
The reverse of 121998217 is 712899121
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-one million nine hundred ninety-eight thousand two hundred seventeen
Scientific notation
1.21998217 × 10^8
Engineering notation
1.21998217 × 10^6
Prime Factorization
11 × 11090747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998217
Product of the distinct prime numbers
The prime factorization of 121998217 is 11 × 11090747.
Since it has a total of 2 prime factors.
4 , 5 , 3 , 17 , 316 , 576 , 8375 , 1094 , 51638 , 96848 , 834574 , 722815 , 3272391 , 1868892 , 2420218 , 73254896 , 148889333 , 41967930 , 3450097734 , 3397971213
n×2
243996434
n×3
365994651
n×4
487992868
n×5
609991085
n÷2
60999108.5
n÷3
40666072.333333
n÷3
30499554.25
n÷5
24399643.4
n2
14883564951179089
n3
1.8157683866475E+24
n4
2.2152050565597E+32
n5
2.7025106718966E+40
2 √n
11045.280304275
3 √n
495.96515022445
4 √n
105.09652850725
5 √n
41.425780216348
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
-121998216
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 121998217 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998217) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000101110001001
3
Ternary
22111120011002111
4
Quaternary
13101120232021
5
Quinary
222212420332
6
Senary
20034502321
8
Octal
721305611
10
Decimal
121998217
12
Duodecimal
34a349a1
16
Hexadecimal
7458b89
20
Vigesimal
1i29fah
36
Base36
20mufd
md5
8adef84dda6cb6a6a7b7f57aeb293f5b
sha1
3c9fa77c7668545b457c7306c6b186c16dbaad77
sha256
9038cce5b3eaddf9ce68209b404eae3c2d840ed7b7ffd491c895b39f8681c419
sha512
e31b386d62f0914d0ea6fe96d20d9e2b563e64b0f79e8d803ac050de0e1f8a0492aea0e71bc87a9612bde17e2378cb5680d243908e6d0919136d24ed3c8d8495
ripemd-160
c6d15637a5a8b720a7d029bd7461f54f9d645418
Diameter
243996434
Circumference
766537404.55651
Area
4.6758098309851E+16
Volume
7.60587283215E+24
Surface area
1.870323932394E+17
Circumference
766537404.55651
Perimeter
487992868
Area
14883564951179089
Diagonal
172531533.06674
Surface area
89301389707074534
Volume
1.8157683866475E+24
Space diagonal
211307110.27681
Perimeter
365994651
Area
6.4447726732984E+15
Altitude
105653555.13841
Surface area
6.4447726732984E+15
Volume
2.1399035654377E+23
Height
57510511.022245