20402387 is an odd 8-digits prime number following 20402386
and preceding 20402388 . In scientific notation, it is written as 2.0402387 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 20402386 positive integers (up to 20402387) that are relatively prime to 20402387.
20402387 has 2 divisors, whose sum is 20402388
The reverse of 20402387 is 78320402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred two thousand three hundred eighty-seven
Scientific notation
2.0402387 × 10^7
Engineering notation
2.0402387 × 10^6
Prime Factorization
20402387
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20402387
Product of the distinct prime numbers
The prime factorization of 20402387 is 20402387.
Since it has a total of 1 prime factors.
1 , 1 , 33 , 100 , 195 , 956 , 2 , 9566 , 61274 , 77358 , 791636 , 275990 , 434815 , 2154810 , 57577079 , 79312822 , 205311464 , 463745867 , 1339919023 , 6702724230
n×2
40804774
n×3
61207161
n×4
81609548
n×5
102011935
n÷2
10201193.5
n÷3
6800795.6666667
n÷3
5100596.75
n÷5
4080477.4
n2
416257395297769
n3
8.4926444704771E+21
n4
1.7327021914008E+29
n5
3.5351260664708E+36
2 √n
4516.9001538666
3 √n
273.25009842497
4 √n
67.207887586701
5 √n
28.969179597828
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20402388
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10201194
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.900264562
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019723
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402387 can be divided by 2 positive divisors.
The sum of these divisors (counting 20402387) is 20402388, the average is 10201194.
Base
System
Value
2
Binary
1001101110101000011010011
3
Ternary
1102101112210222
4
Quaternary
1031311003103
5
Quinary
20210334022
6
Senary
2005143255
8
Octal
115650323
10
Decimal
20402387
12
Duodecimal
69bab2b
16
Hexadecimal
13750d3
20
Vigesimal
67a5j7
36
Base36
c5akz
md5
9edcdfe713cec4f65556cce7a50f4b0a
sha1
a1a3516e8e5b7c4416b8e07f18e460f0aeb4344a
sha256
225c54ad05ef124689e6d4c63a155a732fec82bc190ed562e3eeb3e289797631
sha512
65daed8a6e52e6086cf59984245566b80b306c19685e07231e36ebe9a04804e6cf563a9b16b4eef382521b41a7d1b701ae0e34bd1ad037c47ffbb755dc12ee72
ripemd-160
5246a1dca5ef30eba5113e4164239037f0468993
Diameter
40804774
Circumference
128191978.22979
Area
1.3077111750699E+15
Volume
3.5573905970668E+22
Surface area
5.2308447002796E+15
Circumference
128191978.22979
Perimeter
81609548
Area
416257395297769
Diagonal
28853332.400185
Surface area
2497544371786614
Volume
8.4926444704771E+21
Space diagonal
35337970.879683
Perimeter
61207161
Area
1.802447394205E+14
Altitude
17668985.439841
Surface area
1.802447394205E+14
Volume
1.0008677492135E+21
Height
9617777.4667282