121187 is an odd 6-digits composite number following 121186
and preceding 121188 . In scientific notation, it is written as 1.21187 × 10^5.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 105160 positive integers (up to 121187) that are relatively prime to 121187.
121187 has 8 divisors, whose sum is 138240
The reverse of 121187 is 781121
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-one thousand one hundred eighty-seven
Scientific notation
1.21187 × 10^5
Engineering notation
1.21187 × 10^3
Prime Factorization
23 × 11 × 479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121187
Product of the distinct prime numbers
The prime factorization of 121187 is 23 × 11 × 479.
Since it has a total of 3 prime factors.
6 , 8 , 67 , 76 , 353 , 602 , 1586 , 4392 , 26062 , 65156 , 672180 , 606886 , 5178239 , 3011868 , 16705006 , 25066140 , 202562127 , 246656738 , 2772450277 , 291112583
n×2
242374
n×3
363561
n×4
484748
n×5
605935
n÷2
60593.5
n÷3
40395.666666667
n÷3
30296.75
n÷5
24237.4
n2
14686288969
n3
1779787301286203
n4
2.1568708368097E+20
n5
2.6138470610046E+25
2 √n
348.11923244773
3 √n
49.486341162169
4 √n
18.657953597534
5 √n
10.391810221568
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
-121186
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 121187 can be divided by 8 positive divisors.
The sum of these divisors (counting 121187) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101100101100011
3
Ternary
20011020102
4
Quaternary
131211203
5
Quinary
12334222
6
Senary
2333015
8
Octal
354543
10
Decimal
121187
12
Duodecimal
5a16b
16
Hexadecimal
1d963
20
Vigesimal
f2j7
36
Base36
2lib
md5
97b5b026d35dce473dc07015861f4418
sha1
ca95036cbe31be7e919407e01e87743a64b25212
sha256
373958d2d994598a68ed4aab5108ea867797902b7c55c1aa49f33a62db7bb6f4
sha512
52bbbee091c94f02bb495a3e4976976a35497685a6de40d3f31f671db237c19f89abe26f113ac0e1a670dd47437e85fa4f385343b0131f417d94b1c39bd5f571
ripemd-160
de7905c70c42bc9169acd32a31ee87d6a0b35178
Diameter
242374
Circumference
761440.37782117
Area
46138337533.507
Volume
7.4551556142309E+15
Surface area
184553350134.03
Circumference
761440.37782117
Perimeter
484748
Area
14686288969
Diagonal
171384.29898331
Surface area
88117733814
Volume
1779787301286203
Space diagonal
209902.04121685
Perimeter
363561
Area
6359349667.2366
Altitude
104951.02060842
Surface area
6359349667.2366
Volume
2.097499449682E+14
Height
57128.099661103