20121249 is an odd 8-digits composite number following 20121248
and preceding 20121250 . In scientific notation, it is written as 2.0121249 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13414164 positive integers (up to 20121249) that are relatively prime to 20121249.
20121249 has 4 divisors, whose sum is 26828336
The reverse of 20121249 is 94212102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-one thousand two hundred forty-nine
Scientific notation
2.0121249 × 10^7
Engineering notation
2.0121249 × 10^6
Prime Factorization
3 × 6707083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121249
Product of the distinct prime numbers
The prime factorization of 20121249 is 3 × 6707083.
Since it has a total of 2 prime factors.
6 , 8 , 7 , 15 , 902 , 382 , 6069 , 354 , 78006 , 72520 , 175765 , 656460 , 2616745 , 4227601 , 36817156 , 15823314 , 905201114 , 981957540 , 7004183705 , 6740033281
n×2
40242498
n×3
60363747
n×4
80484996
n×5
100606245
n÷2
10060624.5
n÷3
6707083
n÷3
5030312.25
n÷5
4024249.8
n2
404864661320001
n3
8.1463826617204E+21
n4
1.6391539398576E+29
n5
3.2981824573206E+36
2 √n
4485.6715216342
3 √n
271.98919092715
4 √n
66.97515600306
5 √n
28.888898771244
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
-20121248
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 20121249 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121249) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011010100001
3
Ternary
1101212021011110
4
Quaternary
1030300122201
5
Quinary
20122334444
6
Senary
1555133533
8
Octal
114603241
10
Decimal
20121249
12
Duodecimal
68a42a9
16
Hexadecimal
13306a1
20
Vigesimal
65f329
36
Base36
bz9nl
md5
8f0bf6b1c710ccdc14440f6fa96a5dec
sha1
944d4c39deac04d7e36712668220a5ed9e48edb4
sha256
989eb1909cd5e3d557dc110fa73ecf4bcf48115e2f55f9fd9fea99e042774b2d
sha512
0c7442554b48b5719dc5466a3a48d8e0df3d98e96ae496c456868e3a8d91f034421691122f9991ccb66bb0fb71dd5275e6e347c992a523437369b537f3bde677
ripemd-160
44ef0c0eb2b05a4633a925e974dc948d6558463c
Diameter
40242498
Circumference
126425536.0789
Area
1.271919845701E+15
Volume
3.4123487897856E+22
Surface area
5.0876793828041E+15
Circumference
126425536.0789
Perimeter
80484996
Area
404864661320001
Diagonal
28455743.227686
Surface area
2429187967920006
Volume
8.1463826617204E+21
Space diagonal
34851025.579744
Perimeter
60363747
Area
1.7531154089885E+14
Altitude
17425512.789872
Surface area
1.7531154089885E+14
Volume
9.6006040370717E+20
Height
9485247.742562