20387816 is an even 8-digits composite number following 20387815
and preceding 20387817 . In scientific notation, it is written as 2.0387816 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors.
There are 10193904 positive integers (up to 20387816) that are relatively prime to 20387816.
20387816 has 8 divisors, whose sum is 38227170
The reverse of 20387816 is 61878302
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million three hundred eighty-seven thousand eight hundred sixteen
Scientific notation
2.0387816 × 10^7
Engineering notation
2.0387816 × 10^6
Prime Factorization
2 × 2 × 2 × 2548477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5096954
Product of the distinct prime numbers
The prime factorization of 20387816 is 2 × 2 × 2 × 2548477.
Since it has a total of 4 prime factors.
5 , 5 , 56 , 26 , 687 , 599 , 9928 , 4607 , 47687 , 12408 , 59827 , 462267 , 4776137 , 1507032 , 35745437 , 32453242 , 330868681 , 686010504 , 5320994069 , 1349451000
n×2
40775632
n×3
61163448
n×4
81551264
n×5
101939080
n÷2
10193908
n÷3
6795938.6666667
n÷3
5096954
n÷5
4077563.2
n2
415663041249856
n3
8.4744616030025E+21
n4
1.7277576386108E+29
n5
3.5225204828591E+36
2 √n
4515.2869233306
3 √n
273.18503291075
4 √n
67.195884720201
5 √n
28.965040566912
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20387815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20387816 can be divided by 8 positive divisors.
The sum of these divisors (counting 20387816) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001011111101000
3
Ternary
1102100210211022
4
Quaternary
1031301133220
5
Quinary
20204402231
6
Senary
2004552012
8
Octal
115613750
10
Decimal
20387816
12
Duodecimal
69b2608
16
Hexadecimal
13717e8
20
Vigesimal
6789ag
36
Base36
c4zc8
md5
13bee8652200711f48b4cdbe6b404469
sha1
b015204380309fd5c8d411b994ea1805a03eea86
sha256
5bbf17a7596f3677cfcab0dc5fa6b6bffdfbca77f7aade2ab06b09849e4a241b
sha512
d133a3bc66bde30d3fb17acec9471c03dd331bab04960e7a3e0d9de416f1032967a1bdd09577790c74300e37a97c24e3ff4ac574332d8e82589c149dc9e26c94
ripemd-160
d465e1da43b5b241abb5150d111b1a0f9ece4a57
Diameter
40775632
Circumference
128100425.93668
Area
1.3058439567593E+15
Volume
3.5497741753495E+22
Surface area
5.2233758270374E+15
Circumference
128100425.93668
Perimeter
81551264
Area
415663041249856
Diagonal
28832725.894367
Surface area
2493978247499136
Volume
8.4744616030025E+21
Space diagonal
35312733.167366
Perimeter
61163448
Area
1.7998737656834E+14
Altitude
17656366.583683
Surface area
1.7998737656834E+14
Volume
9.9872487773134E+20
Height
9610908.6314557