121122721 is an odd 9-digits composite number following 121122720
and preceding 121122722 . In scientific notation, it is written as 1.21122721 × 10^8.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 119589444 positive integers (up to 121122721) that are relatively prime to 121122721.
121122721 has 4 divisors, whose sum is 122656000
The reverse of 121122721 is 127221121
Previous prime number is 79
Is Prime? no Number parity odd Number length 9 Sum of Digits 19 Digital Root 1
Name
one hundred twenty-one million one hundred twenty-two thousand seven hundred twenty-one
Scientific notation
1.21122721 × 10^8
Engineering notation
1.21122721 × 10^6
Prime Factorization
79 × 1533199
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
121122721 Product of the distinct prime numbers
The prime factorization of 121122721 is 79 × 1533199.
Since it has a total of 2 prime factors.
7 , 2 , 68 , 44 , 900 , 159 , 7694 , 4024 , 16807 , 92565 , 388257 , 698198 , 1957786 , 2765132 , 8579955 , 71433600 , 45855351 , 590937593 , 429985964 , 9441984525
n×2
242245442
n×3
363368163
n×4
484490884
n×5
605613605
n÷2
60561360.5
n÷3
40374240.333333
n÷3
30280680.25
n÷5
24224544.2
n2
14670713542443841
n3
1.7769567432723E+24
n4
2.1522983584445E+32
n5
2.6069223357863E+40
2 √n11005.576813598
3 √n494.77590237041
4 √n104.90746786382
5 √n41.366152027271
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-121122720 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121122721 can be divided by 4 positive divisors.
The sum of these divisors (counting 121122721) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001110000010111110100001
3
Ternary
22102220200010201
4
Quaternary
13032002332201
5
Quinary
222001411341
6
Senary
20004025201
8
Octal
716027641
10
Decimal
121122721
12
Duodecimal
34692201
16
Hexadecimal
7382fa1
20
Vigesimal
1hh06g1
36
Base36
2042w1
md5
2d61a2d39f75f44f9e3725ef65585beb
sha1
816b82f90f0a4621680a34f7a673015c271bff8d
sha256
2e1cb51df5aa157ece09492a22cb8fbf1a466360ba6eec61963371ea3ba143bd
sha512
f0ff7e46dbbcedd2a8160adedb2b2466c0c240feca7bacf837d85d4a3ec7f0a3d8a967110fd4769cdd6159359a90c761a03bd33d1575e3e098ac56551edfbb8a
ripemd-160
8ab0c5ec826a6d3a12c2f9fd3074e951d06bd584
Diameter
242245442
Circumference
761036500.95281
Area
4.6089405887862E+16
Volume
7.4432990005483E+24
Surface area
1.8435762355145E+17
Circumference
761036500.95281
Perimeter
484490884
Area
14670713542443841
Diagonal
171293394.74973
Surface area
88024281254663046
Volume
1.7769567432723E+24
Space diagonal
209790706.72299
Perimeter
363368163
Area
6.3526053097004E+15
Altitude
104895353.36149
Surface area
6.3526053097004E+15
Volume
2.0941636050717E+23
Height
57097798.249911