121761808 is an even 9-digits composite number following 121761807
and preceding 121761809 . In scientific notation, it is written as 1.21761808 × 10^8.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 52183584 positive integers (up to 121761808) that are relatively prime to 121761808.
121761808 has 20 divisors, whose sum is 269615680
The reverse of 121761808 is 808167121
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-one million seven hundred sixty-one thousand eight hundred eight
Scientific notation
1.21761808 × 10^8
Engineering notation
1.21761808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 1087159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
15220226
Product of the distinct prime numbers
The prime factorization of 121761808 is 2 × 2 × 2 × 2 × 7 × 1087159.
Since it has a total of 6 prime factors.
2 , 6 , 5 , 100 , 516 , 875 , 5785 , 5229 , 19902 , 23415 , 43283 , 435561 , 4370528 , 7811196 , 13546415 , 15936114 , 939507085 , 529975618 , 5879174775 , 4552933566
n×2
243523616
n×3
365285424
n×4
487047232
n×5
608809040
n÷2
60880904
n÷3
40587269.333333
n÷3
30440452
n÷5
24352361.6
n2
14825937887428864
n3
1.805233002469E+24
n4
2.198084342419E+32
n5
2.6764272366943E+40
2 √n
11034.573303939
3 √n
495.64458148696
4 √n
105.04557726977
5 √n
41.409712723785
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 1087159 , 2174318 , 4348636 , 7610113 , 8697272 , 15220226 , 17394544 , 30440452 , 60880904 , 121761808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121761807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121761808 can be divided by 20 positive divisors.
The sum of these divisors (counting 121761808) is 1, the average is 0.05.
Base
System
Value
2
Binary
111010000011111000000010000
3
Ternary
22111010010210121
4
Quaternary
13100133000100
5
Quinary
222132334213
6
Senary
20025440024
8
Octal
720370020
10
Decimal
121761808
12
Duodecimal
34940014
16
Hexadecimal
741f010
20
Vigesimal
1i104a8
36
Base36
20hs0g
md5
5d957695e22ed6cb4cabc2572ab8e633
sha1
a03b067fe800518e695747ee274d9d63cad00018
sha256
a4bf14b8cb4a0937afc83b306735126e1c2e25c300e33273192470775ea6dc3b
sha512
dbb82047e10b6917196ff1b05bd5cdd9578ee3fb064fcfc6bfeaa38de295722ad5a8db3139cbe4afa1ca5efb1a59b57d4a0c588d94ffdeea47489fcf820222cb
ripemd-160
96b8205f5fb0f88710d6e7c4ca313abf8eaa22b9
Diameter
243523616
Circumference
765052003.00122
Area
4.6577057549725E+16
Volume
7.5617423180994E+24
Surface area
1.863082301989E+17
Circumference
765052003.00122
Perimeter
487047232
Area
14825937887428864
Diagonal
172197200.25267
Surface area
88955627324573184
Volume
1.805233002469E+24
Space diagonal
210897637.87745
Perimeter
365285424
Area
6.4198194227218E+15
Altitude
105448818.93872
Surface area
6.4198194227218E+15
Volume
2.1274874961127E+23
Height
57399066.75089