20587440 is an even 8-digits composite number following 20587439
and preceding 20587441 . In scientific notation, it is written as 2.0587440 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 5489920 positive integers (up to 20587440) that are relatively prime to 20587440.
20587440 has 20 divisors, whose sum is 42547872
The reverse of 20587440 is 04478502
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred eighty-seven thousand four hundred forty
Scientific notation
2.0587440 × 10^7
Engineering notation
2.0587440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 85781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2573430
Product of the distinct prime numbers
The prime factorization of 20587440 is 2 × 2 × 2 × 2 × 15 × 85781.
Since it has a total of 6 prime factors.
4 , 2 , 24 , 50 , 961 , 155 , 5675 , 8600 , 23092 , 39507 , 192467 , 424433 , 2370855 , 1847429 , 75584796 , 4931973 , 828438907 , 604996666 , 2085325394 , 8921783875
n×2
41174880
n×3
61762320
n×4
82349760
n×5
102937200
n÷2
10293720
n÷3
6862480
n÷3
5146860
n÷5
4117488
n2
423842685753600
n3
8.7258358623911E+21
n4
1.7964262226682E+29
n5
3.6983817073609E+36
2 √n
4537.3384268754
3 √n
274.07375427643
4 √n
67.359768607644
5 √n
29.021541013325
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 85781 , 171562 , 343124 , 686248 , 1286715 , 1372496 , 2573430 , 5146860 , 10293720 , 20587440
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20587439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20587440 can be divided by 20 positive divisors.
The sum of these divisors (counting 20587440) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110100010001110110000
3
Ternary
1102201221122210
4
Quaternary
1032202032300
5
Quinary
20232244230
6
Senary
2013132120
8
Octal
116421660
10
Decimal
20587440
12
Duodecimal
6a8a040
16
Hexadecimal
13a23b0
20
Vigesimal
68d8c0
36
Base36
c99dc
md5
d2fefdaf14f250a6881d2a0ac9617a0d
sha1
e987a4ea23020db70c7a22926c9a6a6ea8a38a9d
sha256
be2207185c4c0ad7dbfcdaba8638ee45e5ce0f824ef86540ebb92a5487658c04
sha512
8c01220ae0049dfd669d9fa1c4858cf9825298f0cd4fcc5121b2328caaa47ac821b01edbc59d90c3ae4c251317adfcb749c1267a3b7806ce6024d6044a21a02d
ripemd-160
be90142bcecf95d6819384d5c657dc0aa4821e94
Diameter
41174880
Circumference
129354700.52044
Area
1.3315410678413E+15
Volume
3.6550695788958E+22
Surface area
5.3261642713651E+15
Circumference
129354700.52044
Perimeter
82349760
Area
423842685753600
Diagonal
29115036.862542
Surface area
2543056114521600
Volume
8.7258358623911E+21
Space diagonal
35658492.077776
Perimeter
61762320
Area
1.8352926653542E+14
Altitude
17829246.038888
Surface area
1.8352926653542E+14
Volume
1.0283496183029E+21
Height
9705012.2875141