121998480 is an even 9-digits composite number following 121998479
and preceding 121998481 . In scientific notation, it is written as 1.21998480 × 10^8.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 32532864 positive integers (up to 121998480) that are relatively prime to 121998480.
121998480 has 20 divisors, whose sum is 252130688
The reverse of 121998480 is 084899121
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred eighty
Scientific notation
1.21998480 × 10^8
Engineering notation
1.21998480 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 508327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
15249810
Product of the distinct prime numbers
The prime factorization of 121998480 is 2 × 2 × 2 × 2 × 15 × 508327.
Since it has a total of 6 prime factors.
6 , 1 , 49 , 14 , 102 , 491 , 3983 , 7742 , 10875 , 63815 , 498133 , 71903 , 1897198 , 6042299 , 89677309 , 78110372 , 916445558 , 865007183 , 7267680162 , 537776124
n×2
243996960
n×3
365995440
n×4
487993920
n×5
609992400
n÷2
60999240
n÷3
40666160
n÷3
30499620
n÷5
24399696
n2
14883629122310400
n3
1.8157801298056E+24
n4
2.2152241585049E+32
n5
2.7025398019687E+40
2 √n
11045.292209806
3 √n
495.96550661966
4 √n
105.09658514817
5 √n
41.425798077217
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 508327 , 1016654 , 2033308 , 4066616 , 7624905 , 8133232 , 15249810 , 30499620 , 60999240 , 121998480
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998479
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998480 can be divided by 20 positive divisors.
The sum of these divisors (counting 121998480) is 1, the average is 0.05.
Base
System
Value
2
Binary
111010001011000110010010000
3
Ternary
22111120011110020
4
Quaternary
13101120302100
5
Quinary
222212422410
6
Senary
20034503440
8
Octal
721306220
10
Decimal
121998480
12
Duodecimal
34a34b80
16
Hexadecimal
7458c90
20
Vigesimal
1i29g40
36
Base36
20mumo
md5
c8923753189751771a39d95e66435087
sha1
058934c37c86b9e379ed6cb9ab7ec4b9b366c389
sha256
867db50fbc8ac239ccc8cb3d0d2535b12f62c3a5f8e9f86a3ec55a23156e0425
sha512
6750abff27990c8412b03e18c97efd7752743e072d3f957b9421967af4875ab0462cb0890b16e20f608ca58197922c26b6cc9d450ec733e2d45351f34ed31e04
ripemd-160
cdc58ba43855ac313acfc991c1f1cdf5eac95050
Diameter
243996960
Circumference
766539057.03424
Area
4.6758299909405E+16
Volume
7.6059220217755E+24
Surface area
1.8703319963762E+17
Circumference
766539057.03424
Perimeter
487993920
Area
14883629122310400
Diagonal
172531905.0049
Surface area
89301774733862400
Volume
1.8157801298056E+24
Space diagonal
211307565.80618
Perimeter
365995440
Area
6.4448004602133E+15
Altitude
105653782.90309
Surface area
6.4448004602133E+15
Volume
2.1399174048822E+23
Height
57510635.001634