121282809 is an odd 9-digits composite number following 121282808
and preceding 121282810 . In scientific notation, it is written as 1.21282809 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 79785216 positive integers (up to 121282809) that are relatively prime to 121282809.
121282809 has 16 divisors, whose sum is 163862400
The reverse of 121282809 is 908282121
Previous prime number is 1009
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-one million two hundred eighty-two thousand eight hundred nine
Scientific notation
1.21282809 × 10^8
Engineering notation
1.21282809 × 10^6
Prime Factorization
3 × 103 × 1009 × 389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121282809
Product of the distinct prime numbers
The prime factorization of 121282809 is 3 × 103 × 1009 × 389.
Since it has a total of 4 prime factors.
6 , 8 , 23 , 33 , 688 , 793 , 2762 , 912 , 58908 , 45754 , 989566 , 71318 , 4910843 , 6605143 , 26220178 , 88559543 , 306647164 , 524060937 , 2245974849 , 871457529
n×2
242565618
n×3
363848427
n×4
485131236
n×5
606414045
n÷2
60641404.5
n÷3
40427603
n÷3
30320702.25
n÷5
24256561.8
n2
14709519758930481
n3
1.7840118754041E+24
n4
2.1636997153837E+32
n5
2.6241957931423E+40
2 √n
11012.847451954
3 √n
494.99378831099
4 √n
104.94211476787
5 √n
41.377080986305
1 , 3 , 103 , 309 , 389 , 1009 , 1167 , 3027 , 40067 , 103927 , 120201 , 311781 , 392501 , 1177503 , 40427603 , 121282809
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
-121282808
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 121282809 can be divided by 16 positive divisors.
The sum of these divisors (counting 121282809) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001110101010000011111001
3
Ternary
22110012210201220
4
Quaternary
13032222003321
5
Quinary
222022022214
6
Senary
20011302253
8
Octal
716520371
10
Decimal
121282809
12
Duodecimal
3474a989
16
Hexadecimal
73aa0f9
20
Vigesimal
1hi0709
36
Base36
207iex
md5
51f74d37eb77abec54fc3f45c0953957
sha1
b11148f36c56a3c1597502dfeecd2c84a8a2b073
sha256
f100648fe61c59759c774964ee29ea968990043d97f99398f69d6563c8f7fb66
sha512
2efd7322040a65c79a41725d4e9c37fdb436130c902d3bceda0dc646543c1659bc4c316f892357f5fd8dee71f69e87d0f06cc2a83c3bab7672290dd46b281bb8
ripemd-160
86ab454b3f15a8d981920993aa8023507eae4683
Diameter
242565618
Circumference
762042363.52227
Area
4.621131921249E+16
Volume
7.4728514689153E+24
Surface area
1.8484527684996E+17
Circumference
762042363.52227
Perimeter
485131236
Area
14709519758930481
Diagonal
171519793.37051
Surface area
88257118553582886
Volume
1.7840118754041E+24
Space diagonal
210067987.27267
Perimeter
363848427
Area
6.3694088943515E+15
Altitude
105033993.63634
Surface area
6.3694088943515E+15
Volume
2.1024781580259E+23
Height
57173264.456835