20121663 is an odd 8-digits composite number following 20121662
and preceding 20121664 . In scientific notation, it is written as 2.0121663 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13333784 positive integers (up to 20121663) that are relatively prime to 20121663.
20121663 has 8 divisors, whose sum is 26990208
The reverse of 20121663 is 36612102
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-one thousand six hundred sixty-three
Scientific notation
2.0121663 × 10^7
Engineering notation
2.0121663 × 10^6
Prime Factorization
3 × 167 × 40163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121663
Product of the distinct prime numbers
The prime factorization of 20121663 is 3 × 167 × 40163.
Since it has a total of 3 prime factors.
3 , 6 , 64 , 50 , 92 , 847 , 7666 , 2140 , 5623 , 55343 , 778534 , 891009 , 4086242 , 3374520 , 81869264 , 20159562 , 598199846 , 651334377 , 22764836 , 6010544676
n×2
40243326
n×3
60364989
n×4
80486652
n×5
100608315
n÷2
10060831.5
n÷3
6707221
n÷3
5030415.75
n÷5
4024332.6
n2
404881321885569
n3
8.1468855139759E+21
n4
1.6392888481181E+29
n5
3.298521776149E+36
2 √n
4485.7176683336
3 √n
271.99105633078
4 √n
66.975500508272
5 √n
28.889017649607
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121662
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121663 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121663) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000100000111111
3
Ternary
1101212021201210
4
Quaternary
1030300200333
5
Quinary
20122343123
6
Senary
1555135503
8
Octal
114604077
10
Decimal
20121663
12
Duodecimal
68a4593
16
Hexadecimal
133083f
20
Vigesimal
65f433
36
Base36
bz9z3
md5
9c12200ecd90c734c4eecb74f3d33ca7
sha1
0a9e637347e0bc06d7bcac5eedd7f995a793f7a7
sha256
a52220587845b2b6ca27edda95edaeef952035ea9a649d8d7adc6b1d67a846d4
sha512
5e66b40fcb42a7f1d00733be0df3f1620b87ac64a1cf1a19fbf70d654e738457638569f43584a0c8d7d6d43ab3c90818d5d8108adf947937a127ea4ff8e532b6
ripemd-160
6ad09e3053cae477a34311e685cad2f80909993f
Diameter
40243326
Circumference
126428137.31762
Area
1.2719721864114E+15
Volume
3.4125594240459E+22
Surface area
5.0878887456457E+15
Circumference
126428137.31762
Perimeter
80486652
Area
404881321885569
Diagonal
28456328.712101
Surface area
2429287931313414
Volume
8.1468855139759E+21
Space diagonal
34851742.648779
Perimeter
60364989
Area
1.7531875513536E+14
Altitude
17425871.324389
Surface area
1.7531875513536E+14
Volume
9.6011966541381E+20
Height
9485442.9040336