20787030 is an even 8-digits composite number following 20787029
and preceding 20787031 . In scientific notation, it is written as 2.0787030 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5037120 positive integers (up to 20787030) that are relatively prime to 20787030.
20787030 has 16 divisors, whose sum is 32209200
The reverse of 20787030 is 03078702
Previous prime number is 99
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred eighty-seven thousand thirty
Scientific notation
2.0787030 × 10^7
Engineering notation
2.0787030 × 10^6
Prime Factorization
2 × 45 × 99 × 2333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20787030
Product of the distinct prime numbers
The prime factorization of 20787030 is 2 × 45 × 99 × 2333.
Since it has a total of 4 prime factors.
4 , 6 , 38 , 50 , 454 , 139 , 8097 , 7276 , 7495 , 86781 , 731007 , 409468 , 7258628 , 1302462 , 98599975 , 84803275 , 852657640 , 849001826 , 1284321681 , 9592553314
n×2
41574060
n×3
62361090
n×4
83148120
n×5
103935150
n÷2
10393515
n÷3
6929010
n÷3
5196757.5
n÷5
4157406
n2
432100616220900
n3
8.9820884724023E+21
n4
1.8671094253848E+29
n5
3.8811659638757E+36
2 √n
4559.2795483497
3 √n
274.95659921141
4 √n
67.522437369734
5 √n
29.077595353019
1 , 2 , 45 , 90 , 99 , 198 , 2333 , 4455 , 4666 , 8910 , 104985 , 209970 , 230967 , 461934 , 10393515 , 20787030
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20787029
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20787030 can be divided by 16 positive divisors.
The sum of these divisors (counting 20787030) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010111101010110
3
Ternary
1110010002110000
4
Quaternary
1033102331112
5
Quinary
20310141110
6
Senary
2021312130
8
Octal
117227526
10
Decimal
20787030
12
Duodecimal
6b65646
16
Hexadecimal
13d2f56
20
Vigesimal
69i7ba
36
Base36
cdjdi
md5
ba6be4d7462c5d5b1e2e5c73f862d73d
sha1
5b35574904b50f421cbe9cf99486f95232a134af
sha256
283a1a0ef8b9d70034b1fee5af7318cdf9fc9eb8d09ba7945d5e7b9c0cd95a5f
sha512
43ebcc338a36d2453012ded877680f90a62c208a6978295a46862e9d385ac66605948ebd6d0a30517672b2667eadc33887f0dba86d0047aa8358020d58977af9
ripemd-160
8d9f560116b5220b485a7edc9951cf208b411fec
Diameter
41574060
Circumference
130608761.4759
Area
1.3574841215312E+15
Volume
3.7624084211724E+22
Surface area
5.4299364861248E+15
Circumference
130608761.4759
Perimeter
83148120
Area
432100616220900
Diagonal
29397299.747456
Surface area
2592603697325400
Volume
8.9820884724023E+21
Space diagonal
36004192.098458
Perimeter
62361090
Area
1.871050553191E+14
Altitude
18002096.049229
Surface area
1.871050553191E+14
Volume
1.0585492780089E+21
Height
9799099.9158188