121015891 is an odd 9-digits prime number following 121015890
and preceding 121015892 . In scientific notation, it is written as 1.21015891 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 121015890 positive integers (up to 121015891) that are relatively prime to 121015891.
121015891 has 2 divisors, whose sum is 121015892
The reverse of 121015891 is 198510121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-one million fifteen thousand eight hundred ninety-one
Scientific notation
1.21015891 × 10^8
Engineering notation
1.21015891 × 10^6
Prime Factorization
121015891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121015891
Product of the distinct prime numbers
The prime factorization of 121015891 is 121015891.
Since it has a total of 1 prime factors.
4 , 1 , 53 , 74 , 509 , 374 , 2093 , 9460 , 42950 , 24922 , 657372 , 416586 , 4726912 , 9202092 , 68179878 , 69021862 , 297609235 , 249924870 , 7377089734 , 5310797642
n×2
242031782
n×3
363047673
n×4
484063564
n×5
605079455
n÷2
60507945.5
n÷3
40338630.333333
n÷3
30253972.75
n÷5
24203178.2
n2
14644845874523881
n3
1.7722590720632E+24
n4
2.1447151068856E+32
n5
2.5954460960092E+40
2 √n
11000.722294468
3 √n
494.63039579457
4 √n
104.88432816426
5 √n
41.358852478712
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121015892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60507946
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11000.722339919
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999834732
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121015891 can be divided by 2 positive divisors.
The sum of these divisors (counting 121015891) is 121015892, the average is 60507946.
Base
System
Value
2
Binary
111001101101000111001010011
3
Ternary
22102201020121001
4
Quaternary
13031220321103
5
Quinary
221440002031
6
Senary
20001442431
8
Octal
715507123
10
Decimal
121015891
12
Duodecimal
34640417
16
Hexadecimal
7368e53
20
Vigesimal
1hg6jeb
36
Base36
201sgj
md5
429e4e5a353f951a15048c16c83c8e36
sha1
b9bcdcdc99ff234a7126e1d40cb22597a10ec0db
sha256
8d3097f08c0da484ecfe4cd77eb2b5176c96cbae37b11653c09121f182b7f6f1
sha512
c7dc8c879d509c72550fb364822c5edb49e240097bd26a9e680b162bb73ed9fdb3580a0c71ae1ffd75a77b351d23928b58793009c7e9ac1928d63f65b3a2f3cb
ripemd-160
653b458f4088c5b04cb26fad4741f951efb2eca8
Diameter
242031782
Circumference
760365268.26645
Area
4.6008140212359E+16
Volume
7.4236214414021E+24
Surface area
1.8403256084944E+17
Circumference
760365268.26645
Perimeter
484063564
Area
14644845874523881
Diagonal
171142314.31486
Surface area
87869075247143286
Volume
1.7722590720632E+24
Space diagonal
209605671.73522
Perimeter
363047673
Area
6.3414042809227E+15
Altitude
104802835.86761
Surface area
6.3414042809227E+15
Volume
2.0886273464588E+23
Height
57047438.104955