20121418 is an even 8-digits composite number following 20121417
and preceding 20121419 . In scientific notation, it is written as 2.0121418 × 10^7.
The sum of its digits is 19. It has a total of 6 prime factors and 36 positive divisors.
There are 8905680 positive integers (up to 20121418) that are relatively prime to 20121418.
20121418 has 36 divisors, whose sum is 34049970
The reverse of 20121418 is 81412102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-one thousand four hundred eighteen
Scientific notation
2.0121418 × 10^7
Engineering notation
2.0121418 × 10^6
Prime Factorization
2 × 19 × 19 × 29 × 31 × 31
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
34162
Product of the distinct prime numbers
The prime factorization of 20121418 is 2 × 19 × 19 × 29 × 31 × 31.
Since it has a total of 6 prime factors.
6 , 4 , 56 , 35 , 608 , 359 , 1379 , 2997 , 12677 , 86740 , 153968 , 411472 , 39013 , 6102231 , 87207630 , 56507931 , 668893971 , 679370572 , 206630791 , 138048490
n×2
40242836
n×3
60364254
n×4
80485672
n×5
100607090
n÷2
10060709
n÷3
6707139.3333333
n÷3
5030354.5
n÷5
4024283.6
n2
404871462330724
n3
8.1465879298278E+21
n4
1.6392090100982E+29
n5
3.2983209681552E+36
2 √n
4485.6903593538
3 √n
271.98995241143
4 √n
66.975296635057
5 √n
28.888947299121
1 , 2 , 19 , 29 , 31 , 38 , 58 , 62 , 361 , 551 , 589 , 722 , 899 , 961 , 1102 , 1178 , 1798 , 1922 , 10469 , 11191 , 17081 , 18259 , 20938 , 22382 , 27869 , 34162 , 36518 , 55738 , 324539 , 346921 , 529511 , 649078 , 693842 , 1059022 , 10060709 , 20121418
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121418 can be divided by 36 positive divisors.
The sum of these divisors (counting 20121418) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100110000011101001010
3
Ternary
1101212021101201
4
Quaternary
1030300131022
5
Quinary
20122341133
6
Senary
1555134414
8
Octal
114603512
10
Decimal
20121418
12
Duodecimal
68a440a
16
Hexadecimal
133074a
20
Vigesimal
65f3ai
36
Base36
bz9sa
md5
2fb00f6be580a9c999ba06a5f6bb5cd8
sha1
7f7f4fcf1756372b65cbca9ef9060eacdf5297a5
sha256
05242748cb656a728174280c643515701932544d3646aa9029411f8ec6391adb
sha512
cc464505a8bd4ae4a0ee07eda9e97e67c273a2b05f3a4aab514bfc08900aa3e23de37f2765ab35854ad24457e9c2c8771d376541a83ded2fca46316251a71108
ripemd-160
41d045e86af1663059c621ddba5369f9f396f0d5
Diameter
40242836
Circumference
126426597.93722
Area
1.2719412117064E+15
Volume
3.4124347722894E+22
Surface area
5.0877648468254E+15
Circumference
126426597.93722
Perimeter
80485672
Area
404871462330724
Diagonal
28455982.229778
Surface area
2429228773984344
Volume
8.1465879298278E+21
Space diagonal
34851318.296331
Perimeter
60364254
Area
1.7531448582288E+14
Altitude
17425659.148165
Surface area
1.7531448582288E+14
Volume
9.6008459478561E+20
Height
9485327.409926