20280921 is an odd 8-digits composite number following 20280920
and preceding 20280922 . In scientific notation, it is written as 2.0280921 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13155120 positive integers (up to 20280921) that are relatively prime to 20280921.
20280921 has 8 divisors, whose sum is 27772224
The reverse of 20280921 is 12908202
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred eighty thousand nine hundred twenty-one
Scientific notation
2.0280921 × 10^7
Engineering notation
2.0280921 × 10^6
Prime Factorization
3 × 37 × 182711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20280921
Product of the distinct prime numbers
The prime factorization of 20280921 is 3 × 37 × 182711.
Since it has a total of 3 prime factors.
2 , 2 , 59 , 53 , 46 , 235 , 6468 , 6914 , 9032 , 28952 , 599799 , 282861 , 1550180 , 8262867 , 17776052 , 80873626 , 717835068 , 203752873 , 7675525032 , 14883396
n×2
40561842
n×3
60842763
n×4
81123684
n×5
101404605
n÷2
10140460.5
n÷3
6760307
n÷3
5070230.25
n÷5
4056184.2
n2
411315756608241
n3
8.341862365827E+21
n4
1.6918065163421E+29
n5
3.4311394305219E+36
2 √n
4503.4343561331
3 √n
272.7067521631
4 √n
67.107632622028
5 √n
28.93460344697
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20280920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20280921 can be divided by 8 positive divisors.
The sum of these divisors (counting 20280921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010111011001011001
3
Ternary
1102011101012020
4
Quaternary
1031113121121
5
Quinary
20142442141
6
Senary
2002405053
8
Octal
115273131
10
Decimal
20280921
12
Duodecimal
6960789
16
Hexadecimal
1357659
20
Vigesimal
66f261
36
Base36
c2oux
md5
86e6514d50842fde307710d3dc807b4b
sha1
42c89f430cbdf32d5012b8ac43db5f4514ac32bf
sha256
d742b8d341cd926382f062a69a6c4cb465272871e524eddd0b631aa350d8c0d0
sha512
359921f28d4141b0a3868a1b011bcc1b131ead188ce98ba06a5fb85aa17cda3180874c359fccd97bd1e296d642ca5e8efff529fbb23570569fe8f20c8e691373
ripemd-160
9319b05677f13404226a76a14059bd18935d0b90
Diameter
40561842
Circumference
127428784.84327
Area
1.2921865592662E+15
Volume
3.4942311367652E+22
Surface area
5.1687462370647E+15
Circumference
127428784.84327
Perimeter
81123684
Area
411315756608241
Diagonal
28681553.535617
Surface area
2467894539649446
Volume
8.341862365827E+21
Space diagonal
35127585.596291
Perimeter
60842763
Area
1.7810494709978E+14
Altitude
17563792.798145
Surface area
1.7810494709978E+14
Volume
9.8309790776685E+20
Height
9560517.8452058