20187887 is an odd 8-digits prime number following 20187886
and preceding 20187888 . In scientific notation, it is written as 2.0187887 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 20187886 positive integers (up to 20187887) that are relatively prime to 20187887.
20187887 has 2 divisors, whose sum is 20187888
The reverse of 20187887 is 78878102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred eighty-seven thousand eight hundred eighty-seven
Scientific notation
2.0187887 × 10^7
Engineering notation
2.0187887 × 10^6
Prime Factorization
20187887
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20187887
Product of the distinct prime numbers
The prime factorization of 20187887 is 20187887.
Since it has a total of 1 prime factors.
4 , 3 , 53 , 90 , 354 , 65 , 7106 , 3748 , 82222 , 74592 , 547667 , 773392 , 4927390 , 8638469 , 52680044 , 71971486 , 713618510 , 592280386 , 1220988520 , 1196571003
n×2
40375774
n×3
60563661
n×4
80751548
n×5
100939435
n÷2
10093943.5
n÷3
6729295.6666667
n÷3
5046971.75
n÷5
4037577.4
n2
407550781524769
n3
8.2275891241837E+21
n4
1.6609763952145E+29
n5
3.3531603776258E+36
2 √n
4493.0932552085
3 √n
272.28912001729
4 √n
67.030539720403
5 √n
28.908008452344
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20187888
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10093944
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.0933664904
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009307
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187887 can be divided by 2 positive divisors.
The sum of these divisors (counting 20187887) is 20187888, the average is 10093944.
Base
System
Value
2
Binary
1001101000000101011101111
3
Ternary
1101222122120112
4
Quaternary
1031000223233
5
Quinary
20132003022
6
Senary
2000410235
8
Octal
115005357
10
Decimal
20187887
12
Duodecimal
691697b
16
Hexadecimal
1340aef
20
Vigesimal
6639e7
36
Base36
c0p2n
md5
73e0106d2058319fd02243e991f3fb22
sha1
dd37f83e872b0a65b9de6cf027229ca546053b4e
sha256
d99cc72c45443ec2dfa44e507ec19221c3deb9794a0e33a3a29609feef71e1a0
sha512
44ec7c91abbcb6318d21313db6da5d61c038073484d5a2c1d8ad51fde8cb42494eafd94b7bf4ca4745e31807e594af156cfefc8b37aa14c891ca1a389a7d924f
ripemd-160
8a69cb5fa2d9ca22ce1b96e8beb1d8b85defae68
Diameter
40375774
Circumference
126844234.9814
Area
1.280358541203E+15
Volume
3.4463644732388E+22
Surface area
5.121434164812E+15
Circumference
126844234.9814
Perimeter
80751548
Area
407550781524769
Diagonal
28549983.591055
Surface area
2445304689148614
Volume
8.2275891241837E+21
Space diagonal
34966445.981459
Perimeter
60563661
Area
1.7647466506633E+14
Altitude
17483222.99073
Surface area
1.7647466506633E+14
Volume
9.6963067708783E+20
Height
9516661.1970185