20121648 is an even 8-digits composite number following 20121647
and preceding 20121649 . In scientific notation, it is written as 2.0121648 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 6707200 positive integers (up to 20121648) that are relatively prime to 20121648.
20121648 has 20 divisors, whose sum is 51981048
The reverse of 20121648 is 84612102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-one thousand six hundred forty-eight
Scientific notation
2.0121648 × 10^7
Engineering notation
2.0121648 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 419201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2515206
Product of the distinct prime numbers
The prime factorization of 20121648 is 2 × 2 × 2 × 2 × 3 × 419201.
Since it has a total of 6 prime factors.
5 , 4 , 52 , 21 , 2 , 885 , 6546 , 2644 , 40012 , 42526 , 257515 , 775823 , 7532972 , 4425514 , 51585161 , 53481547 , 320361306 , 507394536 , 6264352476 , 6074091953
n×2
40243296
n×3
60364944
n×4
80486592
n×5
100608240
n÷2
10060824
n÷3
6707216
n÷3
5030412
n÷5
4024329.6
n2
404880718235904
n3
8.14686729433E+21
n4
1.6392839599922E+29
n5
3.2985094815009E+36
2 √n
4485.71599636
3 √n
271.99098874414
4 √n
66.975488026292
5 √n
28.889013342454
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 419201 , 838402 , 1257603 , 1676804 , 2515206 , 3353608 , 5030412 , 6707216 , 10060824 , 20121648
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121647
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121648 can be divided by 20 positive divisors.
The sum of these divisors (counting 20121648) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110000100000110000
3
Ternary
1101212021201020
4
Quaternary
1030300200300
5
Quinary
20122343043
6
Senary
1555135440
8
Octal
114604060
10
Decimal
20121648
12
Duodecimal
68a4580
16
Hexadecimal
1330830
20
Vigesimal
65f428
36
Base36
bz9yo
md5
c97e3131b72ee724595eabf4f0dc69d3
sha1
937c353ea6bf8eee171aba9ec45b34f1d2b666c2
sha256
b6297886d1647d21ac1767f4bdc8538f30132a99cc6c4c34137971485310d0e6
sha512
1299ab39b452c14eeff119bb8f4181eacc8d10d28290b2f616546a246241bdeb67e7c70fc26160da4d49eca448f475d04b09330a1deb8ffc951f1dd4f850eccf
ripemd-160
a395cceda8782c06884182ed58a891bacc7ae968
Diameter
40243296
Circumference
126428043.06984
Area
1.2719702899901E+15
Volume
3.4125517922184E+22
Surface area
5.0878811599603E+15
Circumference
126428043.06984
Perimeter
80486592
Area
404880718235904
Diagonal
28456307.498897
Surface area
2429284309415424
Volume
8.14686729433E+21
Space diagonal
34851716.668017
Perimeter
60364944
Area
1.7531849374739E+14
Altitude
17425858.334008
Surface area
1.7531849374739E+14
Volume
9.6011751820795E+20
Height
9485435.8329658