20785020 is an even 8-digits composite number following 20785019
and preceding 20785021 . In scientific notation, it is written as 2.0785020 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 5542656 positive integers (up to 20785020) that are relatively prime to 20785020.
20785020 has 12 divisors, whose sum is 38798816
The reverse of 20785020 is 02058702
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million seven hundred eighty-five thousand twenty
Scientific notation
2.0785020 × 10^7
Engineering notation
2.0785020 × 10^6
Prime Factorization
2 × 2 × 15 × 346417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10392510
Product of the distinct prime numbers
The prime factorization of 20785020 is 2 × 2 × 15 × 346417.
Since it has a total of 4 prime factors.
1 , 7 , 31 , 29 , 290 , 113 , 3545 , 5003 , 32165 , 93562 , 481799 , 552898 , 1389013 , 9485548 , 57260316 , 39163254 , 575723854 , 14438867 , 5062464132 , 8835788371
n×2
41570040
n×3
62355060
n×4
83140080
n×5
103925100
n÷2
10392510
n÷3
6928340
n÷3
5196255
n÷5
4157004
n2
432017056400400
n3
8.9794831576234E+21
n4
1.8663873702087E+29
n5
3.8792898817534E+36
2 √n
4559.0591134575
3 √n
274.94773662452
4 √n
67.520805041539
5 √n
29.077033000174
1 , 2 , 4 , 15 , 30 , 60 , 346417 , 692834 , 1385668 , 5196255 , 10392510 , 20785020
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20785019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20785020 can be divided by 12 positive divisors.
The sum of these divisors (counting 20785020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010010011101111100
3
Ternary
1110002222200120
4
Quaternary
1033102131330
5
Quinary
20310110040
6
Senary
2021254540
8
Octal
117223574
10
Decimal
20785020
12
Duodecimal
6b64450
16
Hexadecimal
13d277c
20
Vigesimal
69i2b0
36
Base36
cdhto
md5
69138096588b30e1ac9ee56460725cb8
sha1
a6d7c13da8f01301031988f09c65d750156ae841
sha256
c6fce0f23f28250f9b4e2f743863a2413c2338215a3c4bc23286db77d5927d25
sha512
c007b16ab1e22300baec4999e4d9cc02e7cb66ff40296bcd5261e923286c4c8f0adf807077ff21e72def245904aa05a6d9c5aeb076e4da9ac6db81d270bc62f9
ripemd-160
97ceffbd3adb4f00d66d8361eaff8d1362c04858
Diameter
41570040
Circumference
130596132.27343
Area
1.357221610613E+15
Volume
3.7613171094697E+22
Surface area
5.4288864424519E+15
Circumference
130596132.27343
Perimeter
83140080
Area
432017056400400
Diagonal
29394457.178196
Surface area
2592102338402400
Volume
8.9794831576234E+21
Space diagonal
36000710.676335
Perimeter
62355060
Area
1.8706887285546E+14
Altitude
18000355.338168
Surface area
1.8706887285546E+14
Volume
1.0582422387177E+21
Height
9798152.392732