20210928 is an even 8-digits composite number following 20210927
and preceding 20210929 . In scientific notation, it is written as 2.0210928 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 6443712 positive integers (up to 20210928) that are relatively prime to 20210928.
20210928 has 20 divisors, whose sum is 39728360
The reverse of 20210928 is 82901202
Previous prime number is 69
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred ten thousand nine hundred twenty-eight
Scientific notation
2.0210928 × 10^7
Engineering notation
2.0210928 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 69 × 18307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2526366
Product of the distinct prime numbers
The prime factorization of 20210928 is 2 × 2 × 2 × 2 × 69 × 18307.
Since it has a total of 6 prime factors.
9 , 4 , 41 , 77 , 516 , 769 , 6452 , 1288 , 22908 , 89090 , 588868 , 555068 , 1283282 , 137881 , 9240900 , 20952216 , 999231242 , 903869169 , 9451696807 , 3937436446
n×2
40421856
n×3
60632784
n×4
80843712
n×5
101054640
n÷2
10105464
n÷3
6736976
n÷3
5052732
n÷5
4042185.6
n2
408481610621184
n3
8.2557924215888E+21
n4
1.6685722621568E+29
n5
3.3723393853248E+36
2 √n
4495.6565705134
3 √n
272.39267102786
4 √n
67.049657497361
5 √n
28.914604145587
1 , 2 , 4 , 8 , 16 , 69 , 138 , 276 , 552 , 1104 , 18307 , 36614 , 73228 , 146456 , 292912 , 1263183 , 2526366 , 5052732 , 10105464 , 20210928
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210927
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210928 can be divided by 20 positive divisors.
The sum of these divisors (counting 20210928) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000110010011110000
3
Ternary
1102000211011220
4
Quaternary
1031012103300
5
Quinary
20133222203
6
Senary
2001105040
8
Octal
115062360
10
Decimal
20210928
12
Duodecimal
6928180
16
Hexadecimal
13464f0
20
Vigesimal
666768
36
Base36
c16uo
md5
f3ae480946c90339d6179b6229b27308
sha1
9c263841454a1d66f3892d8286071ea6df216d01
sha256
2130b93d8796172c1b0d5d2fe5756276522d6920042607effded1dea80dd5356
sha512
2d5e562fca67753211f07ed969fbe956125656f08eccf70ca76458844b5f8f6f3ea7d80e4d9553b02320c739dad87311ff9dc67eea308bb2f5056784d35a4f49
ripemd-160
f2d6d98219710282bfc89bd515d9ac3e667c05c4
Diameter
40421856
Circumference
126989005.85406
Area
1.283282827054E+15
Volume
3.4581782428301E+22
Surface area
5.1331313082162E+15
Circumference
126989005.85406
Perimeter
80843712
Area
408481610621184
Diagonal
28582568.485746
Surface area
2450889663727104
Volume
8.2557924215888E+21
Space diagonal
35006354.164116
Perimeter
60632784
Area
1.7687772588836E+14
Altitude
17503177.082058
Surface area
1.7687772588836E+14
Volume
9.7295446756232E+20
Height
9527522.828582