121012191 is an odd 9-digits composite number following 121012190
and preceding 121012192 . In scientific notation, it is written as 1.21012191 × 10^8.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 78797880 positive integers (up to 121012191) that are relatively prime to 121012191.
121012191 has 16 divisors, whose sum is 183448320
The reverse of 121012191 is 191210121
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
one hundred twenty-one million twelve thousand one hundred ninety-one
Scientific notation
1.21012191 × 10^8
Engineering notation
1.21012191 × 10^6
Prime Factorization
9 × 3 × 43 × 104231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121012191
Product of the distinct prime numbers
The prime factorization of 121012191 is 9 × 3 × 43 × 104231.
Since it has a total of 4 prime factors.
2 , 4 , 13 , 75 , 492 , 500 , 6057 , 8782 , 29753 , 23684 , 317986 , 989023 , 1281973 , 1054070 , 88957838 , 52591236 , 241412550 , 22899474 , 7946538943 , 158323039
n×2
242024382
n×3
363036573
n×4
484048764
n×5
605060955
n÷2
60506095.5
n÷3
40337397
n÷3
30253047.75
n÷5
24202438.2
n2
14643950370620481
n3
1.772096519244E+24
n4
2.144452824572E+32
n5
2.5950493479759E+40
2 √n
11000.554122407
3 √n
494.62535471801
4 √n
104.88352645867
5 √n
41.358599570396
1 , 3 , 9 , 27 , 43 , 129 , 387 , 1161 , 104231 , 312693 , 938079 , 2814237 , 4481933 , 13445799 , 40337397 , 121012191
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121012190
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121012191 can be divided by 16 positive divisors.
The sum of these divisors (counting 121012191) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001101100111111111011111
3
Ternary
22102201001112000
4
Quaternary
13031213333133
5
Quinary
221434342231
6
Senary
20001413343
8
Octal
715477737
10
Decimal
121012191
12
Duodecimal
3463a253
16
Hexadecimal
7367fdf
20
Vigesimal
1hg6a9b
36
Base36
201plr
md5
190bc71e622afc4820eb5ba26c99e51f
sha1
6b9906930f7832677cc4d762326ad376e165298b
sha256
17e7f65b1527ada99f43d176b94a5f3196762899a0327d519f19426513d2d3f7
sha512
87920c773d4ef8bd88ea8ffbb67952a3cf7796c3ee1a67dbfff5dd2dec7031a2de07a5afaabff0e7c911e3ca806576ed9a82d520bf54cf78cea84630ae02537b
ripemd-160
d69948defbf4f232b83956d9836d066ef30caf19
Diameter
242024382
Circumference
760342020.48081
Area
4.6005326903875E+16
Volume
7.4229405417455E+24
Surface area
1.840213076155E+17
Circumference
760342020.48081
Perimeter
484048764
Area
14643950370620481
Diagonal
171137081.72468
Surface area
87863702223722886
Volume
1.772096519244E+24
Space diagonal
209599263.14723
Perimeter
363036573
Area
6.3410165163579E+15
Altitude
104799631.57361
Surface area
6.3410165163579E+15
Volume
2.0884357761242E+23
Height
57045693.908228