121208 is an even 6-digits composite number following 121207
and preceding 121209 . In scientific notation, it is written as 1.21208 × 10^5.
The sum of its digits is 14. It has a total of 5 prime factors and 16 positive divisors.
There are 59616 positive integers (up to 121208) that are relatively prime to 121208.
121208 has 16 divisors, whose sum is 231000
The reverse of 121208 is 802121
Previous prime number is 139
Is Prime? no
Number parity even
Number length 6
Sum of Digits 14
Digital Root 5
Name
one hundred twenty-one thousand two hundred eight
Scientific notation
1.21208 × 10^5
Engineering notation
1.21208 × 10^3
Prime Factorization
2 × 2 × 2 × 139 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30302
Product of the distinct prime numbers
The prime factorization of 121208 is 2 × 2 × 2 × 139 × 109.
Since it has a total of 5 prime factors.
8 , 3 , 88 , 3 , 439 , 269 , 4843 , 2624 , 5271 , 95230 , 656710 , 446103 , 7700093 , 738589 , 31679645 , 42198533 , 654797025 , 813362316 , 9984392929 , 4641577808
n×2
242416
n×3
363624
n×4
484832
n×5
606040
n÷2
60604
n÷3
40402.666666667
n÷3
30302
n÷5
24241.6
n2
14691379264
n3
1780712697830912
n4
2.1583662467869E+20
n5
2.6161125604055E+25
2 √n
348.14939322078
3 √n
49.489199425688
4 √n
18.658761835148
5 √n
10.392170347472
1 , 2 , 4 , 8 , 109 , 139 , 218 , 278 , 436 , 556 , 872 , 1112 , 15151 , 30302 , 60604 , 121208
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121208 can be divided by 16 positive divisors.
The sum of these divisors (counting 121208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101100101111000
3
Ternary
20011021012
4
Quaternary
131211320
5
Quinary
12334313
6
Senary
2333052
8
Octal
354570
10
Decimal
121208
12
Duodecimal
5a188
16
Hexadecimal
1d978
20
Vigesimal
f308
36
Base36
2liw
md5
57670266f5bf7ff7f4c8237c43a19081
sha1
6912757cb1ebca7c4955f69b018236296f7514b3
sha256
426e7b40168da2d94e8fae623a20ff1606e48bc09fc34b47bdce1879249a0f4a
sha512
683db84f08d8d71454861bc1258b27d02527f87678e721886154cae7c75e1ba3e57e724482476e3d8e3ba4f5594fa52c631c11a7db2b641119824f342b84f8f3
ripemd-160
af36e852ae0e43615eaab7a5c96ae716ff39e15c
Diameter
242416
Circumference
761572.32471262
Area
46154329166.884
Volume
7.4590319062129E+15
Surface area
184617316667.54
Circumference
761572.32471262
Perimeter
484832
Area
14691379264
Diagonal
171413.99746812
Surface area
88148275584
Volume
1780712697830912
Space diagonal
209938.41428381
Perimeter
363624
Area
6361553829.628
Altitude
104969.2071419
Surface area
6361553829.628
Volume
2.0985900399687E+14
Height
57137.999156039