20210925 is an odd 8-digits composite number following 20210924
and preceding 20210926 . In scientific notation, it is written as 2.0210925 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 9139200 positive integers (up to 20210925) that are relatively prime to 20210925.
20210925 has 32 divisors, whose sum is 33623424
The reverse of 20210925 is 52901202
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred ten thousand nine hundred twenty-five
Scientific notation
2.0210925 × 10^7
Engineering notation
2.0210925 × 10^6
Prime Factorization
3 × 35 × 5 × 137 × 281
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20210925
Product of the distinct prime numbers
The prime factorization of 20210925 is 3 × 35 × 5 × 137 × 281.
Since it has a total of 5 prime factors.
4 , 2 , 1 , 49 , 345 , 66 , 9040 , 4735 , 46056 , 18798 , 919924 , 251890 , 8723501 , 5952894 , 2576094 , 35958811 , 300928713 , 842996855 , 6257216060 , 7435785856
n×2
40421850
n×3
60632775
n×4
80843700
n×5
101054625
n÷2
10105462.5
n÷3
6736975
n÷3
5052731.25
n÷5
4042185
n2
408481489355625
n3
8.2557887452548E+21
n4
1.6685712714619E+29
n5
3.3723368824671E+36
2 √n
4495.656236858
3 √n
272.39265755037
4 √n
67.049655009239
5 √n
28.914603287202
1 , 3 , 5 , 15 , 35 , 105 , 137 , 175 , 281 , 411 , 525 , 685 , 843 , 1405 , 2055 , 4215 , 4795 , 9835 , 14385 , 23975 , 29505 , 38497 , 49175 , 71925 , 115491 , 147525 , 192485 , 577455 , 1347395 , 4042185 , 6736975 , 20210925
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
-20210924
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 20210925 can be divided by 32 positive divisors.
The sum of these divisors (counting 20210925) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000110010011101101
3
Ternary
1102000211011210
4
Quaternary
1031012103231
5
Quinary
20133222200
6
Senary
2001105033
8
Octal
115062355
10
Decimal
20210925
12
Duodecimal
6928179
16
Hexadecimal
13464ed
20
Vigesimal
666765
36
Base36
c16ul
md5
21dcad943dec6b802c75bae5819d8c17
sha1
c5cbbe4c59dbd0e0408382db1b99dd7e5b2ab927
sha256
261ecb0b4119cd51afad70fcf0fee5fc389228b85b3dff2954a496716117b8c6
sha512
14dcd65702a484d21a3b062cedbbe5c81b048dae9ea5092f1375540116e97062b81f924e0c61e5b7acc7bfe128f27aeafce6a117307224c7d023296982532c73
ripemd-160
355f5a948d1d4c91ddd83ebeb6803634ab46be68
Diameter
40421850
Circumference
126988987.00451
Area
1.283282446087E+15
Volume
3.4581767028909E+22
Surface area
5.1331297843482E+15
Circumference
126988987.00451
Perimeter
80843700
Area
408481489355625
Diagonal
28582564.243105
Surface area
2450888936133750
Volume
8.2557887452548E+21
Space diagonal
35006348.967964
Perimeter
60632775
Area
1.7687767337884E+14
Altitude
17503174.483982
Surface area
1.7687767337884E+14
Volume
9.7295403430221E+20
Height
9527521.4143685