121445842 is an even 9-digits composite number following 121445841
and preceding 121445843 . In scientific notation, it is written as 1.21445842 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 49403904 positive integers (up to 121445842) that are relatively prime to 121445842.
121445842 has 32 divisors, whose sum is 218909952
The reverse of 121445842 is 248544121
Previous prime number is 23
Is Prime? no Number parity even Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred twenty-one million four hundred forty-five thousand eight hundred forty-two
Scientific notation
1.21445842 × 10^8
Engineering notation
1.21445842 × 10^6
Prime Factorization
2 × 7 × 137 × 23 × 2753
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
121445842 Product of the distinct prime numbers
The prime factorization of 121445842 is 2 × 7 × 137 × 23 × 2753.
Since it has a total of 5 prime factors.
8 , 7 , 22 , 77 , 470 , 45 , 4680 , 6521 , 56726 , 59099 , 137902 , 766758 , 9991614 , 5336281 , 50788090 , 21789394 , 476413098 , 423931876 , 2884369382 , 5211690656
n×2
242891684
n×3
364337526
n×4
485783368
n×5
607229210
n÷2
60722921
n÷3
40481947.333333
n÷3
30361460.5
n÷5
24289168.4
n2
14749092539088964
n3
1.7912159621456E+24
n4
2.1753573072661E+32
n5
2.6418809983178E+40
2 √n11020.246911934
3 √n495.21548554294
4 √n104.97736380732
5 √n41.388199141338
1 , 2 , 7 , 14 , 23 , 46 , 137 , 161 , 274 , 322 , 959 , 1918 , 2753 , 3151 , 5506 , 6302 , 19271 , 22057 , 38542 , 44114 , 63319 , 126638 , 377161 , 443233 , 754322 , 886466 , 2640127 , 5280254 , 8674703 , 17349406 , 60722921 , 121445842
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-121445841 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121445842 can be divided by 32 positive divisors.
The sum of these divisors (counting 121445842) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111001111010001110111010010
3
Ternary
22110112002101011
4
Quaternary
13033101313102
5
Quinary
222042231332
6
Senary
20015001134
8
Octal
717216722
10
Decimal
121445842
12
Duodecimal
348091aa
16
Hexadecimal
73d1dd2
20
Vigesimal
1hj0ec2
36
Base36
20b07m
md5
618a9d4ebb3fe948f8589e85b8ac5a4f
sha1
0bb0af2cf400a10182041316e588485fabde8c63
sha256
de8639839654961a4b5b6d50064e336139c49f45818994ef1aa1296b799781ec
sha512
84906427f6192c23bfa1643a26d53d0f610be04df1582cdd19474c18008fa2f57988a21e22b76e171ac706e188b34f5df97102c1938016274e02872747df6fc3
ripemd-160
052b2cdbba7c8e00bc63607c1fc09a5df8dc51e7
Diameter
242891684
Circumference
763066730.07245
Area
4.6335640767918E+16
Volume
7.5030278768924E+24
Surface area
1.8534256307167E+17
Circumference
763066730.07245
Perimeter
485783368
Area
14749092539088964
Diagonal
171750356.85022
Surface area
88494555234533784
Volume
1.7912159621456E+24
Space diagonal
210350368.71198
Perimeter
364337526
Area
6.3865444108093E+15
Altitude
105175184.35599
Surface area
6.3865444108093E+15
Volume
2.1109682556712E+23
Height
57250118.950073