121998938 is an even 9-digits composite number following 121998937
and preceding 121998939 . In scientific notation, it is written as 1.21998938 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 60983260 positive integers (up to 121998938) that are relatively prime to 121998938.
121998938 has 8 divisors, whose sum is 183047040
The reverse of 121998938 is 839899121
Previous prime number is 5939
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-one million nine hundred ninety-eight thousand nine hundred thirty-eight
Scientific notation
1.21998938 × 10^8
Engineering notation
1.21998938 × 10^6
Prime Factorization
2 × 5939 × 10271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121998938
Product of the distinct prime numbers
The prime factorization of 121998938 is 2 × 5939 × 10271.
Since it has a total of 3 prime factors.
2 , 9 , 85 , 89 , 547 , 764 , 4275 , 6318 , 80081 , 86267 , 798303 , 457707 , 9800049 , 178979 , 9703044 , 24624084 , 921892537 , 289746228 , 64952174 , 238805503
n×2
243997876
n×3
365996814
n×4
487995752
n×5
609994690
n÷2
60999469
n÷3
40666312.666667
n÷3
30499734.5
n÷5
24399787.6
n2
14883740873127844
n3
1.8158005799888E+24
n4
2.2152574237842E+32
n5
2.7025905309828E+40
2 √n
11045.312942601
3 √n
495.96612726105
4 √n
105.09668378499
5 √n
41.425829180862
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998938 can be divided by 8 positive divisors.
The sum of these divisors (counting 121998938) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010001011000111001011010
3
Ternary
22111120012002012
4
Quaternary
13101120321122
5
Quinary
222212431223
6
Senary
20034505522
8
Octal
721307132
10
Decimal
121998938
12
Duodecimal
34a352a2
16
Hexadecimal
7458e5a
20
Vigesimal
1i29h6i
36
Base36
20muze
md5
685700516ca3e719f18c521e32d68bf4
sha1
692cc07ef80b6a9a550c9e976e61925761c7e887
sha256
f24be9cde266a7144fd2f8e15b77cc24d8adf4b7bedd27b68681eff0f4ebcd48
sha512
17d62ef1dfc61812d18c21cb03d1dcbf050250ff2b21d2a028561bed40912afa34b4d0d3c0514b414905b735dd2167c6f2d96a485c4142b0993751ff2be2b9ad
ripemd-160
99d2ee57a19d38173bb57661e4f4c292a11b548d
Diameter
243997876
Circumference
766541934.73311
Area
4.6758650984953E+16
Volume
7.6060076833025E+24
Surface area
1.8703460393981E+17
Circumference
766541934.73311
Perimeter
487995752
Area
14883740873127844
Diagonal
172532552.71471
Surface area
89302445238767064
Volume
1.8158005799888E+24
Space diagonal
211308359.08545
Perimeter
365996814
Area
6.4448488497367E+15
Altitude
105654179.54272
Surface area
6.4448488497367E+15
Volume
2.1399415056542E+23
Height
57510850.904905