20152221 is an odd 8-digits composite number following 20152220
and preceding 20152222 . In scientific notation, it is written as 2.0152221 × 10^7.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 13434812 positive integers (up to 20152221) that are relatively prime to 20152221.
20152221 has 4 divisors, whose sum is 26869632
The reverse of 20152221 is 12225102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred fifty-two thousand two hundred twenty-one
Scientific notation
2.0152221 × 10^7
Engineering notation
2.0152221 × 10^6
Prime Factorization
3 × 6717407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20152221
Product of the distinct prime numbers
The prime factorization of 20152221 is 3 × 6717407.
Since it has a total of 2 prime factors.
4 , 6 , 47 , 11 , 484 , 811 , 6453 , 5094 , 3383 , 10083 , 436769 , 838020 , 9901597 , 1895329 , 4104526 , 85269705 , 987671364 , 32306391 , 8036658836 , 9269075814
n×2
40304442
n×3
60456663
n×4
80608884
n×5
100761105
n÷2
10076110.5
n÷3
6717407
n÷3
5038055.25
n÷5
4030444.2
n2
406112011232841
n3
8.1840590011187E+21
n4
1.6492696566758E+29
n5
3.3236446609925E+36
2 √n
4489.1225200478
3 √n
272.12867416074
4 √n
67.000914322476
5 √n
28.897786853477
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20152220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20152221 can be divided by 4 positive divisors.
The sum of these divisors (counting 20152221) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111111110011101
3
Ternary
1101220211122120
4
Quaternary
1030313332131
5
Quinary
20124332341
6
Senary
1555533153
8
Octal
114677635
10
Decimal
20152221
12
Duodecimal
68ba1b9
16
Hexadecimal
1337f9d
20
Vigesimal
65j0b1
36
Base36
bzxjx
md5
c5ce06c665cb424d1ce99eb7684a865e
sha1
75b6da6ab41f20bc1899cbc093e99b1d029cb864
sha256
0019dce61138a3866f6819c0c0cca94a1ae28f3d94bcd03cb45459747f119506
sha512
4d33c060cefc7d4dc4f410372e4c5f91fdb0f66f1bec0ea15f34ce2bb1bafcc1907917f2b45a0e14e15953010e34c340d483c80dc942e527332484812d39eef3
ripemd-160
4fecf6e4fa16296362b38dc3777c7a599aae8861
Diameter
40304442
Circumference
126620138.89424
Area
1.2758385110237E+15
Volume
3.428130617928E+22
Surface area
5.1033540440947E+15
Circumference
126620138.89424
Perimeter
80608884
Area
406112011232841
Diagonal
28499544.25014
Surface area
2436672067397046
Volume
8.1840590011187E+21
Space diagonal
34904670.657356
Perimeter
60456663
Area
1.7585165925482E+14
Altitude
17452335.328678
Surface area
1.7585165925482E+14
Volume
9.6450060288697E+20
Height
9499848.08338