20402887 is an odd 8-digits prime number following 20402886
and preceding 20402888 . In scientific notation, it is written as 2.0402887 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20402886 positive integers (up to 20402887) that are relatively prime to 20402887.
20402887 has 2 divisors, whose sum is 20402888
The reverse of 20402887 is 78820402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred two thousand eight hundred eighty-seven
Scientific notation
2.0402887 × 10^7
Engineering notation
2.0402887 × 10^6
Prime Factorization
20402887
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20402887
Product of the distinct prime numbers
The prime factorization of 20402887 is 20402887.
Since it has a total of 1 prime factors.
8 , 7 , 19 , 27 , 290 , 92 , 1929 , 9074 , 43308 , 60807 , 183414 , 687644 , 926877 , 4508241 , 17837276 , 3595017 , 681412138 , 812135933 , 8950981849 , 3733479680
n×2
40805774
n×3
61208661
n×4
81611548
n×5
102014435
n÷2
10201443.5
n÷3
6800962.3333333
n÷3
5100721.75
n÷5
4080577.4
n2
416277797934769
n3
8.4932688718719E+21
n4
1.7328720505342E+29
n5
3.5355592632508E+36
2 √n
4516.9555012198
3 √n
273.25233058099
4 √n
67.208299347773
5 √n
28.969321585604
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20402888
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10201444
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.9556119138
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019747
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402887 can be divided by 2 positive divisors.
The sum of these divisors (counting 20402887) is 20402888, the average is 10201444.
Base
System
Value
2
Binary
1001101110101001011000111
3
Ternary
1102101120111111
4
Quaternary
1031311023013
5
Quinary
20210343022
6
Senary
2005145451
8
Octal
115651307
10
Decimal
20402887
12
Duodecimal
69bb287
16
Hexadecimal
13752c7
20
Vigesimal
67a747
36
Base36
c5ayv
md5
33785ea5585bfbcf178971fc251c6000
sha1
feb449ee9793b16e778c0cf9204f5952aedca097
sha256
99e7bc4f1f5e89b63341575b14fbef1a3a963a7354be266d60fb6719e5234a9a
sha512
3942c262e5ba7ec245376511c55f02b41fea5b12b6e791102a9a63d847b373b223bc5a932c80da5968033404e25dd38fc6e2673624e89047b34b2255910a9d18
ripemd-160
7883b82267a6e791d4fc62ef56de422cf717ab79
Diameter
40805774
Circumference
128195119.82245
Area
1.3077752718444E+15
Volume
3.5576521457114E+22
Surface area
5.2311010873776E+15
Circumference
128195119.82245
Perimeter
81611548
Area
416277797934769
Diagonal
28854039.506966
Surface area
2497666787608614
Volume
8.4932688718719E+21
Space diagonal
35338836.905087
Perimeter
61208661
Area
1.8025357402148E+14
Altitude
17669418.452543
Surface area
1.8025357402148E+14
Volume
1.0009413356235E+21
Height
9618013.1689886