20081369 is an odd 8-digits composite number following 20081368
and preceding 20081370 . In scientific notation, it is written as 2.0081369 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 13601280 positive integers (up to 20081369) that are relatively prime to 20081369.
20081369 has 16 divisors, whose sum is 22014720
The reverse of 20081369 is 96318002
Previous prime number is 391
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eighty-one thousand three hundred sixty-nine
Scientific notation
2.0081369 × 10^7
Engineering notation
2.0081369 × 10^6
Prime Factorization
29 × 77 × 391 × 23
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081369
Product of the distinct prime numbers
The prime factorization of 20081369 is 29 × 77 × 391 × 23.
Since it has a total of 4 prime factors.
1 , 3 , 86 , 78 , 692 , 411 , 6342 , 1859 , 99639 , 38524 , 15708 , 378918 , 2191692 , 9838216 , 84505312 , 68420683 , 158480369 , 921068300 , 2202916235 , 612912407
n×2
40162738
n×3
60244107
n×4
80325476
n×5
100406845
n÷2
10040684.5
n÷3
6693789.6666667
n÷3
5020342.25
n÷5
4016273.8
n2
403261380914161
n3
8.0980405935868E+21
n4
1.626197413368E+29
n5
3.2656270324688E+36
2 √n
4481.2240515288
3 √n
271.80937930971
4 √n
66.941945382016
5 √n
28.877438212908
1 , 23 , 29 , 77 , 391 , 667 , 1771 , 2233 , 8993 , 11339 , 30107 , 51359 , 260797 , 692461 , 873103 , 20081369
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081368
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081369 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081369) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110101011011001
3
Ternary
1101210020110102
4
Quaternary
1030212223121
5
Quinary
20120100434
6
Senary
1554225145
8
Octal
114465331
10
Decimal
20081369
12
Duodecimal
68851b5
16
Hexadecimal
1326ad9
20
Vigesimal
65a389
36
Base36
byevt
md5
28fd98b578086083ad100928bcb265e1
sha1
495d35d4bbb718572e2f3547bcad06aefe90bbf0
sha256
2bffabcdee4f8423f900d330d0036b4e6a320f08d1b4fce92f12a028dbe217e3
sha512
58c27e886af39193447035fdd208e9654e41ed51b52385e9f446ef05dd58098098324cdc9b323cda971636d271e2f2593d3a2c7b28672d9aec3f6e3a327d8d81
ripemd-160
b8937f418240a6ece67e2144466c489c0fe611b2
Diameter
40162738
Circumference
126174962.64885
Area
1.2668829917564E+15
Volume
3.3920993116379E+22
Surface area
5.0675319670256E+15
Circumference
126174962.64885
Perimeter
80325476
Area
403261380914161
Diagonal
28399344.390819
Surface area
2419568285484966
Volume
8.0980405935868E+21
Space diagonal
34781951.393539
Perimeter
60244107
Area
1.7461730011843E+14
Altitude
17390975.696769
Surface area
1.7461730011843E+14
Volume
9.5436323634153E+20
Height
9466448.1302729