20787039 is an odd 8-digits composite number following 20787038
and preceding 20787040 . In scientific notation, it is written as 2.0787039 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 10312704 positive integers (up to 20787039) that are relatively prime to 20787039.
20787039 has 16 divisors, whose sum is 24095232
The reverse of 20787039 is 93078702
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred eighty-seven thousand thirty-nine
Scientific notation
2.0787039 × 10^7
Engineering notation
2.0787039 × 10^6
Prime Factorization
63 × 17 × 13 × 1493
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20787039
Product of the distinct prime numbers
The prime factorization of 20787039 is 63 × 17 × 13 × 1493.
Since it has a total of 4 prime factors.
5 , 1 , 71 , 51 , 337 , 202 , 8447 , 7926 , 78745 , 81288 , 521673 , 290453 , 9301262 , 5157073 , 12095328 , 56602026 , 156032951 , 732700559 , 7561739543 , 3626582820
n×2
41574078
n×3
62361117
n×4
83148156
n×5
103935195
n÷2
10393519.5
n÷3
6929013
n÷3
5196759.75
n÷5
4157407.8
n2
432100990387521
n3
8.982100139124E+21
n4
1.8671126589388E+29
n5
3.8811743658754E+36
2 √n
4559.2805353477
3 √n
274.95663889335
4 √n
67.5224446784
5 √n
29.077597870919
1 , 13 , 17 , 63 , 221 , 819 , 1071 , 1493 , 13923 , 19409 , 25381 , 94059 , 329953 , 1222767 , 1599003 , 20787039
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
-20787038
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 20787039 can be divided by 16 positive divisors.
The sum of these divisors (counting 20787039) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010111101011111
3
Ternary
1110010002110100
4
Quaternary
1033102331133
5
Quinary
20310141124
6
Senary
2021312143
8
Octal
117227537
10
Decimal
20787039
12
Duodecimal
6b65653
16
Hexadecimal
13d2f5f
20
Vigesimal
69i7bj
36
Base36
cdjdr
md5
8c78e81f49547959a69868cf3992057f
sha1
3abd16722d1cc88aa29f546ccd8e60849ebc5ffa
sha256
1f5374a79e73778473618b75fbd01263c3654fcc67aa740f56df28e894efae80
sha512
65bde2c3a6cd072b13d7ce4c41f711859c4d9d930b9a79c3d89cd118fee06efba9089576940f34f9a22665daa2ceb5ea1cdd6a0ad3e4b113d313258d343cc908
ripemd-160
71f13711d6581f8445922fbf036d9518cd16a9f1
Diameter
41574078
Circumference
130608818.02457
Area
1.3574852970103E+15
Volume
3.7624133081173E+22
Surface area
5.4299411880412E+15
Circumference
130608818.02457
Perimeter
83148156
Area
432100990387521
Diagonal
29397312.475378
Surface area
2592605942325126
Volume
8.982100139124E+21
Space diagonal
36004207.686916
Perimeter
62361117
Area
1.87105217338E+14
Altitude
18002103.843458
Surface area
1.87105217338E+14
Volume
1.0585506529452E+21
Height
9799104.1584595