20081642 is an even 8-digits composite number following 20081641
and preceding 20081643 . In scientific notation, it is written as 2.0081642 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 32 positive divisors.
There are 8339760 positive integers (up to 20081642) that are relatively prime to 20081642.
20081642 has 32 divisors, whose sum is 35512320
The reverse of 20081642 is 24618002
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eighty-one thousand six hundred forty-two
Scientific notation
2.0081642 × 10^7
Engineering notation
2.0081642 × 10^6
Prime Factorization
2 × 7 × 67 × 79 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20081642
Product of the distinct prime numbers
The prime factorization of 20081642 is 2 × 7 × 67 × 79 × 271.
Since it has a total of 5 prime factors.
6 , 1 , 59 , 3 , 489 , 134 , 2520 , 5752 , 1968 , 20145 , 966219 , 954629 , 2967255 , 8835661 , 65256370 , 54884574 , 836476424 , 529321855 , 8524410007 , 6679976768
n×2
40163284
n×3
60244926
n×4
80326568
n×5
100408210
n÷2
10040821
n÷3
6693880.6666667
n÷3
5020410.5
n÷5
4016328.4
n2
403272345416164
n3
8.0983708691477E+21
n4
1.6262858457745E+29
n5
3.2658490144512E+36
2 √n
4481.2545118527
3 √n
271.81061102561
4 √n
66.942172894616
5 √n
28.877516728449
1 , 2 , 7 , 14 , 67 , 79 , 134 , 158 , 271 , 469 , 542 , 553 , 938 , 1106 , 1897 , 3794 , 5293 , 10586 , 18157 , 21409 , 36314 , 37051 , 42818 , 74102 , 127099 , 149863 , 254198 , 299726 , 1434403 , 2868806 , 10040821 , 20081642
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081642 can be divided by 32 positive divisors.
The sum of these divisors (counting 20081642) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100100110101111101010
3
Ternary
1101210020211112
4
Quaternary
1030212233222
5
Quinary
20120103032
6
Senary
1554230322
8
Octal
114465752
10
Decimal
20081642
12
Duodecimal
68853a2
16
Hexadecimal
1326bea
20
Vigesimal
65a422
36
Base36
byf3e
md5
d1ef17be6c76c39f3f92c8abec2fae7b
sha1
a721d874c7f6da981d6e4f62f8d39aca9011c29d
sha256
60f86e31a5e66bd679445c8943f7f4cb88072214d4fbdf1a0c7ba785e465cd0f
sha512
f4b389703467500c448c8b37fd803327d96efca240dfec6bdac8dc10ebf71e749d397bd1d83d1d0ba1a3f1363d9b6b365dcf978b76fa06d42d9b8636ae950586
ripemd-160
9cd04348e3e088cfb50dde7f8a5d642fba661cfc
Diameter
40163284
Circumference
126176677.95844
Area
1.2669174377553E+15
Volume
3.3922376571414E+22
Surface area
5.0676697510214E+15
Circumference
126176677.95844
Perimeter
80326568
Area
403272345416164
Diagonal
28399730.471121
Surface area
2419634072496984
Volume
8.0983708691477E+21
Space diagonal
34782424.243409
Perimeter
60244926
Area
1.7462204788707E+14
Altitude
17391212.121705
Surface area
1.7462204788707E+14
Volume
9.5440215968966E+20
Height
9466576.8237071