121491172 is an even 9-digits composite number following 121491171
and preceding 121491173 . In scientific notation, it is written as 1.21491172 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 55223240 positive integers (up to 121491172) that are relatively prime to 121491172.
121491172 has 12 divisors, whose sum is 231937776
The reverse of 121491172 is 271194121
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-one million four hundred ninety-one thousand one hundred seventy-two
Scientific notation
1.21491172 × 10^8
Engineering notation
1.21491172 × 10^6
Prime Factorization
2 × 2 × 11 × 2761163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
60745586
Product of the distinct prime numbers
The prime factorization of 121491172 is 2 × 2 × 11 × 2761163.
Since it has a total of 4 prime factors.
8 , 4 , 31 , 90 , 529 , 655 , 6416 , 8921 , 66787 , 71638 , 958616 , 150327 , 2709012 , 825165 , 15954457 , 17787876 , 264849677 , 565852226 , 3880866866 , 3352414698
n×2
242982344
n×3
364473516
n×4
485964688
n×5
607455860
n÷2
60745586
n÷3
40497057.333333
n÷3
30372793
n÷5
24298234.4
n2
14760104873933584
n3
1.7932224399771E+24
n4
2.1786069588952E+32
n5
2.6468151276353E+40
2 √n
11022.303389038
3 √n
495.27709140013
4 √n
104.98715821013
5 √n
41.391288332357
1 , 2 , 4 , 11 , 22 , 44 , 2761163 , 5522326 , 11044652 , 30372793 , 60745586 , 121491172
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121491171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121491172 can be divided by 12 positive divisors.
The sum of these divisors (counting 121491172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111001111011100111011100100
3
Ternary
22110121101120001
4
Quaternary
13033130323210
5
Quinary
222100204142
6
Senary
20015551044
8
Octal
717347344
10
Decimal
121491172
12
Duodecimal
3482b484
16
Hexadecimal
73dcee4
20
Vigesimal
1hj67ic
36
Base36
20bz6s
md5
d47e6ef8fee6c6a0bc9ee7ff23491c73
sha1
8981d50b6d2517c87e6efdb34adbdbb7e6e02480
sha256
36812423d9c5d38b6ff0ea618148a5e2d995edb5620876344cd5e65cc061b63f
sha512
c2d12c2c7f9071c03e003fae158123c3f0c70aa95191ff0b957000aa149f04af33aaa09fc7c2cd449fa7f3375513f87714fbdeaeed481158cc5c6ed74909c7da
ripemd-160
db6bc8352314164d7a37eee37bfb2ccaeb38b3b4
Diameter
242982344
Circumference
763351546.86243
Area
4.6370237038165E+16
Volume
7.5114325915792E+24
Surface area
1.8548094815266E+17
Circumference
763351546.86243
Perimeter
485964688
Area
14760104873933584
Diagonal
171814463.151
Surface area
88560629243601504
Volume
1.7932224399771E+24
Space diagonal
210428882.57509
Perimeter
364473516
Area
6.3913128916745E+15
Altitude
105214441.28754
Surface area
6.3913128916745E+15
Volume
2.1133329124728E+23
Height
57271487.717001