121998427 is an odd 9-digits prime number following 121998426
and preceding 121998428 . In scientific notation, it is written as 1.21998427 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 121998426 positive integers (up to 121998427) that are relatively prime to 121998427.
121998427 has 2 divisors, whose sum is 121998428
The reverse of 121998427 is 724899121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred twenty-seven
Scientific notation
1.21998427 × 10^8
Engineering notation
1.21998427 × 10^6
Prime Factorization
121998427
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121998427
Product of the distinct prime numbers
The prime factorization of 121998427 is 121998427.
Since it has a total of 1 prime factors.
8 , 9 , 12 , 34 , 311 , 639 , 2681 , 522 , 45805 , 84708 , 973652 , 195559 , 6874425 , 212565 , 78686876 , 28331242 , 141931259 , 572265866 , 6582290518 , 8237626978
n×2
243996854
n×3
365995281
n×4
487993708
n×5
609992135
n÷2
60999213.5
n÷3
40666142.333333
n÷3
30499606.75
n÷5
24399685.4
n2
14883616190474329
n3
1.8157777633096E+24
n4
2.2152203090535E+32
n5
2.7025339316298E+40
2 √n
11045.289810593
3 √n
495.96543479862
4 √n
105.09657373384
5 √n
41.425794477881
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121998428
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60999214
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11045.289855862
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999836063
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998427 can be divided by 2 positive divisors.
The sum of these divisors (counting 121998427) is 121998428, the average is 60999214.
Base
System
Value
2
Binary
111010001011000110001011011
3
Ternary
22111120011101021
4
Quaternary
13101120301123
5
Quinary
222212422202
6
Senary
20034503311
8
Octal
721306133
10
Decimal
121998427
12
Duodecimal
34a34b37
16
Hexadecimal
7458c5b
20
Vigesimal
1i29g17
36
Base36
20mul7
md5
4fb1bd39907d6a773bcc5e5d0adc345f
sha1
91542a0aa8691597984c56338c22391ef48c75e4
sha256
999b0958afb09e7654f6c2d2b961f7227fa4191b680cc7d03c64d1364b4785fe
sha512
88606b788330a2bb8077106590b732eb9bc726463d389f7420de37650baf271d7773f947ea68f9e8c81d8ea4f2749a88fdbc8c7540acffac00970dd482da1e6a
ripemd-160
07fe0d71578b9402a66c89db5affb1034a3e14f7
Diameter
243996854
Circumference
766538724.02542
Area
4.6758259282844E+16
Volume
7.6059121090202E+24
Surface area
1.8703303713138E+17
Circumference
766538724.02542
Perimeter
487993708
Area
14883616190474329
Diagonal
172531830.05158
Surface area
89301697142845974
Volume
1.8157777633096E+24
Space diagonal
211307474.00748
Perimeter
365995281
Area
6.4447948605641E+15
Altitude
105653737.00374
Surface area
6.4447948605641E+15
Volume
2.1399146159399E+23
Height
57510610.017195