121565491 is an odd 9-digits prime number following 121565490
and preceding 121565492 . In scientific notation, it is written as 1.21565491 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 121565490 positive integers (up to 121565491) that are relatively prime to 121565491.
121565491 has 2 divisors, whose sum is 121565492
The reverse of 121565491 is 194565121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-one million five hundred sixty-five thousand four hundred ninety-one
Scientific notation
1.21565491 × 10^8
Engineering notation
1.21565491 × 10^6
Prime Factorization
121565491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121565491
Product of the distinct prime numbers
The prime factorization of 121565491 is 121565491.
Since it has a total of 1 prime factors.
8 , 8 , 24 , 65 , 176 , 951 , 5562 , 6924 , 61798 , 57596 , 572707 , 762060 , 5532789 , 6856776 , 67487397 , 54229081 , 119330926 , 681527283 , 6624076843 , 7322871196
n×2
243130982
n×3
364696473
n×4
486261964
n×5
607827455
n÷2
60782745.5
n÷3
40521830.333333
n÷3
30391372.75
n÷5
24313098.2
n2
14778168602071081
n3
1.7965153221916E+24
n4
2.1839426723124E+32
n5
2.6549206327551E+40
2 √n
11025.674174399
3 √n
495.37806168617
4 √n
105.0032103052
5 √n
41.396351098119
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121565492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60782746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11025.674219747
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999983548
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121565491 can be divided by 2 positive divisors.
The sum of these divisors (counting 121565491) is 121565492, the average is 60782746.
Base
System
Value
2
Binary
111001111101111000100110011
3
Ternary
22110202011111121
4
Quaternary
13033233010303
5
Quinary
222110043431
6
Senary
20021323111
8
Octal
717570463
10
Decimal
121565491
12
Duodecimal
34866497
16
Hexadecimal
73ef133
20
Vigesimal
1hjfdeb
36
Base36
20dkj7
md5
de3e761ab8b5a7825fa58e467ee52524
sha1
de65ee5713e31a7508bd8cf2dd1d3effb99e74bb
sha256
5f7955157328b565efe9b26c06ebf5481cf77aa7c2198a4aefcf9a2d019de9f6
sha512
faaf68c7f5d8cbd9d9e8322e24674c533b619331e547832a2f45299da0096b00a09656ec43515ee93a780ecf822d98eb52ee4b8206347f075accc1d93bdc84d5
ripemd-160
6ee23e0acd3388919afbebbb39d65391407252f3
Diameter
243130982
Circumference
763818506.91127
Area
4.6426985913778E+16
Volume
7.5252257843446E+24
Surface area
1.8570794365511E+17
Circumference
763818506.91127
Perimeter
486261964
Area
14778168602071081
Diagonal
171919566.08874
Surface area
88669011612426486
Volume
1.7965153221916E+24
Space diagonal
210557606.85906
Perimeter
364696473
Area
6.3991347154016E+15
Altitude
105278803.42953
Surface area
6.3991347154016E+15
Volume
2.1172136113786E+23
Height
57306522.029581