121989849 is an odd 9-digits composite number following 121989848
and preceding 121989850 . In scientific notation, it is written as 1.21989849 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 81326564 positive integers (up to 121989849) that are relatively prime to 121989849.
121989849 has 4 divisors, whose sum is 162653136
The reverse of 121989849 is 948989121
Previous prime number is 3
Is Prime? no Number parity odd Number length 9 Sum of Digits 51 Digital Root 6
Name
one hundred twenty-one million nine hundred eighty-nine thousand eight hundred forty-nine
Scientific notation
1.21989849 × 10^8
Engineering notation
1.21989849 × 10^6
Prime Factorization
3 × 40663283
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
121989849 Product of the distinct prime numbers
The prime factorization of 121989849 is 3 × 40663283.
Since it has a total of 2 prime factors.
2 , 6 , 21 , 34 , 481 , 669 , 6949 , 1700 , 27965 , 47827 , 741932 , 345881 , 1545099 , 2102734 , 46252095 , 29601895 , 627887209 , 735879153 , 1812498251 , 886208329
n×2
243979698
n×3
365969547
n×4
487959396
n×5
609949245
n÷2
60994924.5
n÷3
40663283
n÷3
30497462.25
n÷5
24397969.8
n2
14881523259042801
n3
1.8153947752606E+24
n4
2.2145973450943E+32
n5
2.7015839572386E+40
2 √n11044.901493449
3 √n495.9538103558
4 √n105.09472628752
5 √n41.425211912239
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
-121989848 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 121989849 can be divided by 4 positive divisors.
The sum of these divisors (counting 121989849) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001010110101011011001
3
Ternary
22111112201121120
4
Quaternary
13101112223121
5
Quinary
222212133344
6
Senary
20034355453
8
Octal
721265331
10
Decimal
121989849
12
Duodecimal
34a2bb89
16
Hexadecimal
7456ad9
20
Vigesimal
1i28ec9
36
Base36
20mnyx
md5
d602196d7b9ad6b0c615f582da765852
sha1
953820eabe0e3321fa1293f6089a636fa5911031
sha256
b6c2eeeb72b95fcc1116dd61b7ed19eb11650ee1f3ac0f6d6ec68de17d1eb748
sha512
b7d5455fe99307885200a3cfe70ca4ca29cb0f3803f37965ab31ec8df4eaeb2b8cd80784cb217dc6499c5d2dc62adae88a82c778c7f323a1a78f9c1cce12a0b1
ripemd-160
0ff1dd4ad5e6dbc7255a18751689477c1b4857e8
Diameter
243979698
Circumference
766484826.86186
Area
4.6751684144834E+16
Volume
7.6043078524321E+24
Surface area
1.8700673657934E+17
Circumference
766484826.86186
Perimeter
487959396
Area
14881523259042801
Diagonal
172519698.92765
Surface area
89289139554256806
Volume
1.8153947752606E+24
Space diagonal
211292616.47566
Perimeter
365969547
Area
6.44388859467E+15
Altitude
105646308.23783
Surface area
6.44388859467E+15
Volume
2.1394632601957E+23
Height
57506566.309215