20210505 is an odd 8-digits composite number following 20210504
and preceding 20210506 . In scientific notation, it is written as 2.0210505 × 10^7.
The sum of its digits is 15. It has a total of 5 prime factors and 32 positive divisors.
There are 9105600 positive integers (up to 20210505) that are relatively prime to 20210505.
20210505 has 32 divisors, whose sum is 37490688
The reverse of 20210505 is 50501202
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million two hundred ten thousand five hundred five
Scientific notation
2.0210505 × 10^7
Engineering notation
2.0210505 × 10^6
Prime Factorization
3 × 5 × 7 × 71 × 2711
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20210505
Product of the distinct prime numbers
The prime factorization of 20210505 is 3 × 5 × 7 × 71 × 2711.
Since it has a total of 5 prime factors.
5 , 7 , 89 , 40 , 243 , 308 , 2570 , 8396 , 18280 , 82202 , 14013 , 146270 , 8109515 , 6175068 , 82636627 , 38408021 , 657168744 , 414403438 , 5395473349 , 4180838510
n×2
40421010
n×3
60631515
n×4
80842020
n×5
101052525
n÷2
10105252.5
n÷3
6736835
n÷3
5052626.25
n÷5
4042101
n2
408464512355025
n3
8.2552740692738E+21
n4
1.6684325785343E+29
n5
3.371986497063E+36
2 √n
4495.6095248587
3 √n
272.39077068788
4 √n
67.049306669485
5 √n
28.914483112253
1 , 3 , 5 , 7 , 15 , 21 , 35 , 71 , 105 , 213 , 355 , 497 , 1065 , 1491 , 2485 , 2711 , 7455 , 8133 , 13555 , 18977 , 40665 , 56931 , 94885 , 192481 , 284655 , 577443 , 962405 , 1347367 , 2887215 , 4042101 , 6736835 , 20210505
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210504
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210505 can be divided by 32 positive divisors.
The sum of these divisors (counting 20210505) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000110001101001001
3
Ternary
1102000210121020
4
Quaternary
1031012031021
5
Quinary
20133214010
6
Senary
2001103053
8
Octal
115061511
10
Decimal
20210505
12
Duodecimal
6927a89
16
Hexadecimal
1346349
20
Vigesimal
666655
36
Base36
c16ix
md5
ecab17c978cde0ea227849bea72bfaeb
sha1
e7480fca54e68813bf975325cbeec69c926e6995
sha256
7a2264cc61167bbe58349786f6af1392f21e3f1b2b35430fe61f92563f990049
sha512
8a84d745aa029b26b9c21106ad4033a90a6aead236341f78221bee3a64c6d0694f90b66c1d336f16a11bc7db91104d763d0a8a95feca0d8fd83931787fc0daae
ripemd-160
6974718c74fe3a4c4f8adfaaa0673b7a80599019
Diameter
40421010
Circumference
126986348.06668
Area
1.2832291112667E+15
Volume
3.4579611159201E+22
Surface area
5.1329164450667E+15
Circumference
126986348.06668
Perimeter
80842020
Area
408464512355025
Diagonal
28581970.273409
Surface area
2450787074130150
Volume
8.2552740692738E+21
Space diagonal
35005621.506625
Perimeter
60631515
Area
1.7687032212194E+14
Altitude
17502810.753312
Surface area
1.7687032212194E+14
Volume
9.7289337915616E+20
Height
9527323.4244698