20210840 is an even 8-digits composite number following 20210839
and preceding 20210841 . In scientific notation, it is written as 2.0210840 × 10^7.
The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors.
There are 7462272 positive integers (up to 20210840) that are relatively prime to 20210840.
20210840 has 32 divisors, whose sum is 48973680
The reverse of 20210840 is 04801202
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million two hundred ten thousand eight hundred forty
Scientific notation
2.0210840 × 10^7
Engineering notation
2.0210840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 13 × 38867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5052710
Product of the distinct prime numbers
The prime factorization of 20210840 is 2 × 2 × 2 × 5 × 13 × 38867.
Since it has a total of 6 prime factors.
3 , 8 , 74 , 49 , 44 , 761 , 283 , 1406 , 38946 , 74659 , 35504 , 776339 , 1953015 , 1758819 , 32551934 , 32712262 , 194904883 , 102490197 , 3383203246 , 2203991026
n×2
40421680
n×3
60632520
n×4
80843360
n×5
101054200
n÷2
10105420
n÷3
6736946.6666667
n÷3
5052710
n÷5
4042168
n2
408478053505600
n3
8.2556845829131E+21
n4
1.6685432019572E+29
n5
3.3722659687845E+36
2 √n
4495.6467832782
3 √n
272.39227568745
4 √n
67.049584512346
5 √n
28.914578966242
1 , 2 , 4 , 5 , 8 , 10 , 13 , 20 , 26 , 40 , 52 , 65 , 104 , 130 , 260 , 520 , 38867 , 77734 , 155468 , 194335 , 310936 , 388670 , 505271 , 777340 , 1010542 , 1554680 , 2021084 , 2526355 , 4042168 , 5052710 , 10105420 , 20210840
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
-20210839
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 20210840 can be divided by 32 positive divisors.
The sum of these divisors (counting 20210840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000110010010011000
3
Ternary
1102000211001122
4
Quaternary
1031012102120
5
Quinary
20133221330
6
Senary
2001104412
8
Octal
115062230
10
Decimal
20210840
12
Duodecimal
6928108
16
Hexadecimal
1346498
20
Vigesimal
666720
36
Base36
c16s8
md5
66a8ff644f1f3c6119c89047c65f5804
sha1
19f6beaaa3566ea8ddc5a4fb381c3c0a2f774438
sha256
5cf0201ecb1f22bd07643849bc61b0a007fc0fd42351a56c2bed42b39e7c3a2d
sha512
ac3ae2fdf313d8358bf85456b3fd1f9f9afb1d273334361728d0f6d132928b4f700883f3aeedf3e70469b5d0fe5247073c5776b5a2d7be8b426ab6526bbcd30b
ripemd-160
a943dd282166eb63fa7f800d549cc696cd36adc7
Diameter
40421680
Circumference
126988452.93376
Area
1.2832716520459E+15
Volume
3.4581330714712E+22
Surface area
5.1330866081834E+15
Circumference
126988452.93376
Perimeter
80843360
Area
408478053505600
Diagonal
28582444.034953
Surface area
2450868321033600
Volume
8.2556845829131E+21
Space diagonal
35006201.743645
Perimeter
60632520
Area
1.7687618561213E+14
Altitude
17503100.871823
Surface area
1.7687618561213E+14
Volume
9.7294175865252E+20
Height
9527481.3449842