20215999 is an odd 8-digits composite number following 20215998
and preceding 20216000 . In scientific notation, it is written as 2.0215999 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 19504800 positive integers (up to 20215999) that are relatively prime to 20215999.
20215999 has 8 divisors, whose sum is 20931200
The reverse of 20215999 is 99951202
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million two hundred fifteen thousand nine hundred ninety-nine
Scientific notation
2.0215999 × 10^7
Engineering notation
2.0215999 × 10^6
Prime Factorization
31 × 421 × 1549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20215999
Product of the distinct prime numbers
The prime factorization of 20215999 is 31 × 421 × 1549.
Since it has a total of 3 prime factors.
4 , 9 , 70 , 12 , 776 , 998 , 6535 , 6176 , 4101 , 67044 , 626456 , 751204 , 4218252 , 929131 , 30243057 , 64390870 , 741620037 , 177659982 , 6972241428 , 2038409661
n×2
40431998
n×3
60647997
n×4
80863996
n×5
101079995
n÷2
10107999.5
n÷3
6738666.3333333
n÷3
5053999.75
n÷5
4043199.8
n2
408686615568001
n3
8.2620082116361E+21
n4
1.6702474974443E+29
n5
3.3765721738086E+36
2 √n
4496.2205239512
3 √n
272.41545058102
4 √n
67.053862856298
5 √n
28.91605495719
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
-20215998
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 20215999 can be divided by 8 positive divisors.
The sum of these divisors (counting 20215999) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000111100010111111
3
Ternary
1102001002010201
4
Quaternary
1031013202333
5
Quinary
20133402444
6
Senary
2001144331
8
Octal
115074277
10
Decimal
20215999
12
Duodecimal
692b0a7
16
Hexadecimal
13478bf
20
Vigesimal
666jjj
36
Base36
c1arj
md5
a92945bc5aa30ae049339ed57a14224b
sha1
6a7559dc46e7e99b9f05727e97129004e64b50dc
sha256
c90ae7dfdf7683f4a5d1632f7fa0ce4ef1d2673e6c93926792dddd940abcd1ed
sha512
6c96834bf35ec8fc7e24d46ad7e48b8ad3f53322a623c8d5a33235092354b0b999a9f1ffc124c8f80fc9997f0a488bdd84c86166e4cf2f3f60b089874d97362c
ripemd-160
ee2f714d687ba5b54792a811f00657315c14fff8
Diameter
40431998
Circumference
127020867.88676
Area
1.2839268690889E+15
Volume
3.4607819068766E+22
Surface area
5.1357074763556E+15
Circumference
127020867.88676
Perimeter
80863996
Area
408686615568001
Diagonal
28589739.962721
Surface area
2452119693408006
Volume
8.2620082116361E+21
Space diagonal
35015137.393762
Perimeter
60647997
Area
1.7696649563429E+14
Altitude
17507568.696881
Surface area
1.7696649563429E+14
Volume
9.7368700544447E+20
Height
9529913.320907