121998456 is an even 9-digits composite number following 121998455
and preceding 121998457 . In scientific notation, it is written as 1.21998456 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 40666128 positive integers (up to 121998456) that are relatively prime to 121998456.
121998456 has 16 divisors, whose sum is 254163600
The reverse of 121998456 is 654899121
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred fifty-six
Scientific notation
1.21998456 × 10^8
Engineering notation
1.21998456 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 1694423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30499614
Product of the distinct prime numbers
The prime factorization of 121998456 is 2 × 2 × 2 × 9 × 1694423.
Since it has a total of 5 prime factors.
1 , 7 , 62 , 45 , 448 , 548 , 8645 , 4444 , 22637 , 94009 , 140079 , 674178 , 5106836 , 5761717 , 22657226 , 23276993 , 966748067 , 824443142 , 8015435093 , 3888506171
n×2
243996912
n×3
365995368
n×4
487993824
n×5
609992280
n÷2
60999228
n÷3
40666152
n÷3
30499614
n÷5
24399691.2
n2
14883623266383936
n3
1.8157790581845E+24
n4
2.2152224153565E+32
n5
2.7025371437008E+40
2 √n
11045.29112337
3 √n
495.96547409693
4 √n
105.09657997942
5 √n
41.425796447329
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 1694423 , 3388846 , 6777692 , 13555384 , 15249807 , 30499614 , 60999228 , 121998456
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998455
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998456 can be divided by 16 positive divisors.
The sum of these divisors (counting 121998456) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010001011000110001111000
3
Ternary
22111120011102100
4
Quaternary
13101120301320
5
Quinary
222212422311
6
Senary
20034503400
8
Octal
721306170
10
Decimal
121998456
12
Duodecimal
34a34b60
16
Hexadecimal
7458c78
20
Vigesimal
1i29g2g
36
Base36
20mum0
md5
0a3505d9c1d0d4862af82b9a2e2423f9
sha1
225db78bd3b51d0db315b457243db25b5c4df334
sha256
550cbfa2da743d46e12eb792cca5b8d9232f5b08ed9ba06012450358dfc169cd
sha512
bc49fe54929712b9714de065e00ab15b4e1f5417c62e6cf559ac272af4921615870b1b9edc4b994924627042f1c25d9724d91504686ef789c8d33c7c76731581
ripemd-160
4ca1872188955f24fced845869b5a5fb84ea3566
Diameter
243996912
Circumference
766538906.2378
Area
4.675828151247E+16
Volume
7.6059175329796E+24
Surface area
1.8703312604988E+17
Circumference
766538906.2378
Perimeter
487993824
Area
14883623266383936
Diagonal
172531871.06378
Surface area
89301739598303616
Volume
1.8157790581845E+24
Space diagonal
211307524.23696
Perimeter
365995368
Area
6.4447979245228E+15
Altitude
105653762.11848
Surface area
6.4447979245228E+15
Volume
2.1399161419647E+23
Height
57510623.687926