20187287 is an odd 8-digits prime number following 20187286
and preceding 20187288 . In scientific notation, it is written as 2.0187287 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 20187286 positive integers (up to 20187287) that are relatively prime to 20187287.
20187287 has 2 divisors, whose sum is 20187288
The reverse of 20187287 is 78278102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-seven thousand two hundred eighty-seven
Scientific notation
2.0187287 × 10^7
Engineering notation
2.0187287 × 10^6
Prime Factorization
20187287
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20187287
Product of the distinct prime numbers
The prime factorization of 20187287 is 20187287.
Since it has a total of 1 prime factors.
2 , 7 , 66 , 89 , 861 , 325 , 5881 , 4606 , 62648 , 60950 , 711019 , 934105 , 6243887 , 8507130 , 87880154 , 44364931 , 102638326 , 107216853 , 142268880 , 1546110683
n×2
40374574
n×3
60561861
n×4
80749148
n×5
100936435
n÷2
10093643.5
n÷3
6729095.6666667
n÷3
5046821.75
n÷5
4037457.4
n2
407526556420369
n3
8.2268555545797E+21
n4
1.6607789418784E+29
n5
3.3526621143256E+36
2 √n
4493.0264855663
3 √n
272.28642244109
4 √n
67.030041664662
5 √n
28.907836616517
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20187288
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10093644
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.0265968498
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009278
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187287 can be divided by 2 positive divisors.
The sum of these divisors (counting 20187287) is 20187288, the average is 10093644.
Base
System
Value
2
Binary
1001101000000100010010111
3
Ternary
1101222121202022
4
Quaternary
1031000202113
5
Quinary
20131443122
6
Senary
2000403355
8
Octal
115004227
10
Decimal
20187287
12
Duodecimal
691655b
16
Hexadecimal
1340897
20
Vigesimal
663847
36
Base36
c0olz
md5
8e3ad7043c5edcefa515b6b89723a99f
sha1
91e5a05a26b40427804214781c24bcba8a40a2f2
sha256
c9b073adae912da75afd889ae32eca82d7e7445e6be77327ad330b4df869bf33
sha512
f2ca78487232e68a2a8f96e7e101a062acf75d3b78854b4e2a3f389c377faa824e472aa10923e6350dc9a33cfd44afd2f261b8b1fa4c2225772b0d01f6c9c5f6
ripemd-160
21b744d02fe70e361deae5225f2425587b03d23a
Diameter
40374574
Circumference
126840465.07022
Area
1.280282435793E+15
Volume
3.4460571963216E+22
Surface area
5.1211297431719E+15
Circumference
126840465.07022
Perimeter
80749148
Area
407526556420369
Diagonal
28549135.062918
Surface area
2445159338522214
Volume
8.2268555545797E+21
Space diagonal
34965406.750975
Perimeter
60561861
Area
1.7646417528842E+14
Altitude
17482703.375487
Surface area
1.7646417528842E+14
Volume
9.6954422508092E+20
Height
9516378.354306