121505491 is an odd 9-digits prime number following 121505490
and preceding 121505492 . In scientific notation, it is written as 1.21505491 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 121505490 positive integers (up to 121505491) that are relatively prime to 121505491.
121505491 has 2 divisors, whose sum is 121505492
The reverse of 121505491 is 194505121
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 five hundred five thousand four hundred ninety-one
Scientific notation
1.21505491 × 10^8
Engineering notation
1.21505491 × 10^6
Prime Factorization
121505491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121505491
Product of the distinct prime numbers
The prime factorization of 121505491 is 121505491.
Since it has a total of 1 prime factors.
5 , 10 , 8 , 16 , 50 , 71 , 4780 , 7566 , 11229 , 59846 , 380403 , 589345 , 5711199 , 3972647 , 85856511 , 27981618 , 361644102 , 230566111 , 8287460903 , 9991857986
n×2
243010982
n×3
364516473
n×4
486021964
n×5
607527455
n÷2
60752745.5
n÷3
40501830.333333
n÷3
30376372.75
n÷5
24301098.2
n2
14763584343151081
n3
1.7938565645345E+24
n4
2.1796342265734E+32
n5
2.648375269002E+40
2 √n
11022.952916528
3 √n
495.29654849032
4 √n
104.99025153093
5 √n
41.39226396525
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121505492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60752746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11022.952961888
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999835398
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121505491 can be divided by 2 positive divisors.
The sum of these divisors (counting 121505491) is 121505492, the average is 60752746.
Base
System
Value
2
Binary
111001111100000011011010011
3
Ternary
22110122010012101
4
Quaternary
13033200123103
5
Quinary
222101133431
6
Senary
20020141231
8
Octal
717403323
10
Decimal
121505491
12
Duodecimal
34837817
16
Hexadecimal
73e06d3
20
Vigesimal
1hj83eb
36
Base36
20ca8j
md5
b97f20e82d6f20a7e488bcaab542a7f4
sha1
44028bda47c0bfe3f35d67c40063cf03b9744ae7
sha256
4998b2156291554382160d10ee8cb41ba8eb7caa6d5406b3692fe578f2f81fba
sha512
b4bbc255e84f4d12b0f08a5278df416986a1c20e81c3679874b04057996b2463a2440fffe0339de7246ec7acff9c7954ba2fd9427e13b1cc021e49e9dbbb392d
ripemd-160
f4187b129ccdda6eb43f3953ef948be529f19abd
Diameter
243010982
Circumference
763441515.79284
Area
4.6381168113097E+16
Volume
7.5140888063138E+24
Surface area
1.8552467245239E+17
Circumference
763441515.79284
Perimeter
486021964
Area
14763584343151081
Diagonal
171834713.275
Surface area
88581506058906486
Volume
1.7938565645345E+24
Space diagonal
210453683.8106
Perimeter
364516473
Area
6.3928195460415E+15
Altitude
105226841.9053
Surface area
6.3928195460415E+15
Volume
2.1140802354306E+23
Height
57278237.758334