121539251 is an odd 9-digits composite number following 121539250
and preceding 121539252 . In scientific notation, it is written as 1.21539251 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 116536320 positive integers (up to 121539251) that are relatively prime to 121539251.
121539251 has 8 divisors, whose sum is 126614400
The reverse of 121539251 is 152935121
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million five hundred thirty-nine thousand two hundred fifty-one
Scientific notation
1.21539251 × 10^8
Engineering notation
1.21539251 × 10^6
Prime Factorization
31 × 109 × 35969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121539251
Product of the distinct prime numbers
The prime factorization of 121539251 is 31 × 109 × 35969.
Since it has a total of 3 prime factors.
10 , 3 , 30 , 78 , 969 , 721 , 3967 , 8809 , 37399 , 13987 , 468797 , 807787 , 5181761 , 6760339 , 61838342 , 72411781 , 303077214 , 831852132 , 3879420773 , 7830780812
n×2
243078502
n×3
364617753
n×4
486157004
n×5
607696255
n÷2
60769625.5
n÷3
40513083.666667
n÷3
30384812.75
n÷5
24307850.2
n2
14771789533641001
n3
1.7953522358484E+24
n4
2.1820576602619E+32
n5
2.6520565366704E+40
2 √n
11024.484160268
3 √n
495.34241654926
4 √n
104.99754359159
5 √n
41.394563857279
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121539250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121539251 can be divided by 8 positive divisors.
The sum of these divisors (counting 121539251) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111101000101010110011
3
Ternary
22110200211111202
4
Quaternary
13033220222303
5
Quinary
222103224001
6
Senary
20021001415
8
Octal
717505263
10
Decimal
121539251
12
Duodecimal
3485326b
16
Hexadecimal
73e8ab3
20
Vigesimal
1hjc82b
36
Base36
20d0ab
md5
945abbf2c999e1d8d466e2a7fa7ad649
sha1
5013d0f69ec0497b45ca796b28319800d119c111
sha256
b4115badcfa2c8d92fffc57fc8ac8112232639f98396a4a12cafab39145f32a7
sha512
800d592185479417c51f9b6d62354b77a24acc3a21785770d6cca22f03e9241f58517d994b26274fa3b04a665c374052e88306ac3bbbf1d4a14c0f24beae7faa
ripemd-160
e266afa5916d529a2f914f52adecc7276a8617f9
Diameter
243078502
Circumference
763653636.12881
Area
4.6406945479261E+16
Volume
7.520353859663E+24
Surface area
1.8562778191704E+17
Circumference
763653636.12881
Perimeter
486157004
Area
14771789533641001
Diagonal
171882457.12487
Surface area
88630737201846006
Volume
1.7953522358484E+24
Space diagonal
210512157.84587
Perimeter
364617753
Area
6.3963724977451E+15
Altitude
105256078.92293
Surface area
6.3963724977451E+15
Volume
2.115842900978E+23
Height
57294152.374956