8021221 is an odd 7-digits composite number following 8021220
and preceding 8021222 . In scientific notation, it is written as 8.021221 × 10^6.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 7326720 positive integers (up to 8021221) that are relatively prime to 8021221.
8021221 has 8 divisors, whose sum is 8728664
The reverse of 8021221 is 1221208
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 16
Digital Root 7
Name
eight million twenty-one thousand two hundred twenty-one
Scientific notation
8.021221 × 10^6
Engineering notation
8.021221 × 10^6
Prime Factorization
97 × 13 × 6361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8021221
Product of the distinct prime numbers
The prime factorization of 8021221 is 97 × 13 × 6361.
Since it has a total of 3 prime factors.
6 , 8 , 63 , 47 , 39 , 890 , 8123 , 186 , 93311 , 220 , 821977 , 339069 , 9374102 , 4676756 , 24788031 , 92651654 , 448846831 , 451543438 , 658420313 , 4741647364
n×2
16042442
n×3
24063663
n×4
32084884
n×5
40106105
n÷2
4010610.5
n÷3
2673740.3333333
n÷3
2005305.25
n÷5
1604244.2
n2
64339986330841
n3
5.1608524949665E+20
n4
4.1396338410528E+27
n5
3.3204917898163E+34
2 √n
2832.1760185412
3 √n
200.17668553182
4 √n
53.218192552371
5 √n
24.035219709333
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
-8021220
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 8021221 can be divided by 8 positive divisors.
The sum of these divisors (counting 8021221) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110100110010011100101
3
Ternary
120002112001021
4
Quaternary
132212103211
5
Quinary
4023134341
6
Senary
443531141
8
Octal
36462345
10
Decimal
8021221
12
Duodecimal
2829ab1
16
Hexadecimal
7a64e5
20
Vigesimal
2a2d11
36
Base36
4rx7p
md5
7bea6797ce61cc8ea877074cb426336d
sha1
5bac3e5706985589eb1254b063f2df66a492adeb
sha256
8ba5b09a020ef6686b1c618ed5edbbfe36d1a560d642d9a407abc2b6b4562a34
sha512
95dd33e675fffe04ee2ba453cee50a85ddfe732a50d1d0e30a1f915452b277a3e1723c21339472b536971d98dd1b70b55799430b081749494535ba76e0c2c8b5
ripemd-160
92e4338a5d5f9cb3b2f457fd438c41591b3eac9e
Diameter
16042442
Circumference
50398817.93284
Area
2.0213002838904E+14
Volume
2.1617728379263E+21
Surface area
8.0852011355615E+14
Circumference
50398817.93284
Perimeter
32084884
Area
64339986330841
Diagonal
11343719.524992
Surface area
386039917985046
Volume
5.1608524949665E+20
Space diagonal
13893162.310738
Perimeter
24063663
Area
27860031320826
Altitude
6946581.1553692
Surface area
27860031320826
Volume
6.0821229931573E+19
Height
3781239.841664