20121444 is an even 8-digits composite number following 20121443
and preceding 20121445 . In scientific notation, it is written as 2.0121444 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5748912 positive integers (up to 20121444) that are relatively prime to 20121444.
20121444 has 24 divisors, whose sum is 44714880
The reverse of 20121444 is 44412102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-one thousand four hundred forty-four
Scientific notation
2.0121444 × 10^7
Engineering notation
2.0121444 × 10^6
Prime Factorization
2 × 2 × 9 × 7 × 79847
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10060722
Product of the distinct prime numbers
The prime factorization of 20121444 is 2 × 2 × 9 × 7 × 79847.
Since it has a total of 5 prime factors.
7 , 3 , 87 , 26 , 313 , 233 , 9069 , 803 , 80403 , 39021 , 492764 , 678159 , 6818872 , 4879870 , 60580803 , 14107503 , 365682928 , 112123601 , 6922984108 , 5051083337
n×2
40242888
n×3
60364332
n×4
80485776
n×5
100607220
n÷2
10060722
n÷3
6707148
n÷3
5030361
n÷5
4024288.8
n2
404872508645136
n3
8.1466195098426E+21
n4
1.6392174825661E+29
n5
3.2983422779274E+36
2 √n
4485.6932574575
3 √n
271.99006956248
4 √n
66.97531827067
5 √n
28.888954764919
1 , 2 , 4 , 7 , 9 , 14 , 18 , 28 , 36 , 63 , 126 , 252 , 79847 , 159694 , 319388 , 558929 , 718623 , 1117858 , 1437246 , 2235716 , 2874492 , 5030361 , 10060722 , 20121444
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121443
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121444 can be divided by 24 positive divisors.
The sum of these divisors (counting 20121444) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110000011101100100
3
Ternary
1101212021102200
4
Quaternary
1030300131210
5
Quinary
20122341234
6
Senary
1555134500
8
Octal
114603544
10
Decimal
20121444
12
Duodecimal
68a4430
16
Hexadecimal
1330764
20
Vigesimal
65f3c4
36
Base36
bz9t0
md5
791c83a42a5605b98007c362e1cf54a2
sha1
84ef14a80d01bca1399a27db1bdbdeebba0dcc46
sha256
3ef7935164984b03a1d17c46df7bdb99abc4899585f292100a4dd9cc35e289b1
sha512
08acbf5fb03faa652fe6d1e82bff3e1353d139f116f927d0f44bdfcfe872e627e64e2629f952e6fd980432543b7801b4fc331dcf666451cbff4d935ca2f42801
ripemd-160
d766aedf9b1295d9e7911d445ddcaf6db734bfcb
Diameter
40242888
Circumference
126426761.30004
Area
1.2719444988E+15
Volume
3.412448000495E+22
Surface area
5.0877779952001E+15
Circumference
126426761.30004
Perimeter
80485776
Area
404872508645136
Diagonal
28456018.999331
Surface area
2429235051870816
Volume
8.1466195098426E+21
Space diagonal
34851363.329652
Perimeter
60364332
Area
1.7531493889031E+14
Altitude
17425681.664826
Surface area
1.7531493889031E+14
Volume
9.6008831652606E+20
Height
9485339.6664436