20081971 is an odd 8-digits composite number following 20081970
and preceding 20081972 . In scientific notation, it is written as 2.0081971 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 15888960 positive integers (up to 20081971) that are relatively prime to 20081971.
20081971 has 8 divisors, whose sum is 24716384
The reverse of 20081971 is 17918002
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eighty-one thousand nine hundred seventy-one
Scientific notation
2.0081971 × 10^7
Engineering notation
2.0081971 × 10^6
Prime Factorization
7 × 13 × 220681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081971
Product of the distinct prime numbers
The prime factorization of 20081971 is 7 × 13 × 220681.
Since it has a total of 3 prime factors.
10 , 5 , 38 , 79 , 639 , 131 , 8302 , 9736 , 84671 , 35462 , 936359 , 923410 , 7216985 , 5395884 , 64315593 , 15806617 , 4555623 , 89135468 , 9204942946 , 2064332922
n×2
40163942
n×3
60245913
n×4
80327884
n×5
100409855
n÷2
10040985.5
n÷3
6693990.3333333
n÷3
5020492.75
n÷5
4016394.2
n2
403285559244841
n3
8.0987689054737E+21
n4
1.6263924229542E+29
n5
3.2661165472387E+36
2 √n
4481.291220173
3 √n
271.81209538634
4 √n
66.942447073386
5 √n
28.877611348607
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
-20081970
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 20081971 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110110100110011
3
Ternary
1101210021021201
4
Quaternary
1030212310303
5
Quinary
20120110341
6
Senary
1554232031
8
Octal
114466463
10
Decimal
20081971
12
Duodecimal
6885617
16
Hexadecimal
1326d33
20
Vigesimal
65a4ib
36
Base36
byfcj
md5
dda855f53123a5f6fc709f22ef226702
sha1
96b4f458919e49bb205dbdcfdc37c6b89f2c8329
sha256
f413088853a1ed6659d73cc7e9f0108623999bb9310f127fd2f5cdf8c95aae5c
sha512
2ccf71d522f98b0f75b2f4d703fada82d88be90850b8a8abfcd5b11533902c152aefecf636b2cf7ccd19a95562d6ddb2ca598b288ced2ba101c2b7a0535d1a64
ripemd-160
6703c9f55580dfe29584084ecfd256011e71dde1
Diameter
40163942
Circumference
126178745.12641
Area
1.2669589502224E+15
Volume
3.3924043862077E+22
Surface area
5.0678358008898E+15
Circumference
126178745.12641
Perimeter
80327884
Area
403285559244841
Diagonal
28400195.747383
Surface area
2419713355469046
Volume
8.0987689054737E+21
Space diagonal
34782994.088125
Perimeter
60245913
Area
1.7462776964272E+14
Altitude
17391497.044062
Surface area
1.7462776964272E+14
Volume
9.5444906872053E+20
Height
9466731.9157944