121551805 is an odd 9-digits composite number following 121551804
and preceding 121551806 . In scientific notation, it is written as 1.21551805 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 97241440 positive integers (up to 121551805) that are relatively prime to 121551805.
121551805 has 4 divisors, whose sum is 145862172
The reverse of 121551805 is 508155121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-one million five hundred fifty-one thousand eight hundred five
Scientific notation
1.21551805 × 10^8
Engineering notation
1.21551805 × 10^6
Prime Factorization
5 × 24310361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121551805
Product of the distinct prime numbers
The prime factorization of 121551805 is 5 × 24310361.
Since it has a total of 2 prime factors.
2 , 2 , 40 , 85 , 490 , 313 , 4302 , 1130 , 42843 , 7690 , 721750 , 441674 , 1306058 , 1048067 , 44579159 , 45156396 , 101582558 , 932093691 , 5677092869 , 745214612
n×2
243103610
n×3
364655415
n×4
486207220
n×5
607759025
n÷2
60775902.5
n÷3
40517268.333333
n÷3
30387951.25
n÷5
24310361
n2
14774841298758025
n3
1.7959086284526E+24
n4
2.1829593540349E+32
n5
2.6534264972457E+40
2 √n
11025.053514609
3 √n
495.35947088781
4 √n
105.00025483116
5 √n
41.395418965206
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
-121551804
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 121551805 can be divided by 4 positive divisors.
The sum of these divisors (counting 121551805) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111101011101110111101
3
Ternary
22110201110201201
4
Quaternary
13033223232331
5
Quinary
222104124210
6
Senary
20021135501
8
Octal
717535675
10
Decimal
121551805
12
Duodecimal
3485a591
16
Hexadecimal
73ebbbd
20
Vigesimal
1hjdja5
36
Base36
20d9z1
md5
bc33e88506bc966a7571a6ffe63040b6
sha1
ce0af89ef9980bd25cf9932120f8efe708c24296
sha256
c766d2fd9ae2ae0d761b0f65aa7b5f62ddb8d49458ff768e68884f0b00b06162
sha512
7cec2baef8d2d0fabceb6f1c3facb0a112f7636609213871ffabbc1f27de87b502cbb32c9162da112d57340e25526736f271420f5c0d3fc5b1ebd2b629c8efab
ripemd-160
b871a072d2700672832396ff7a8e6fb9e48c745a
Diameter
243103610
Circumference
763732515.23716
Area
4.6416532882133E+16
Volume
7.5226844715535E+24
Surface area
1.8566613152853E+17
Circumference
763732515.23716
Perimeter
486207220
Area
14774841298758025
Diagonal
171900211.16193
Surface area
88649047792548150
Volume
1.7959086284526E+24
Space diagonal
210533902.0117
Perimeter
364655415
Area
6.397693950804E+15
Altitude
105266951.00585
Surface area
6.397693950804E+15
Volume
2.1164986159504E+23
Height
57300070.38731