20209972 is an even 8-digits composite number following 20209971
and preceding 20209973 . In scientific notation, it is written as 2.0209972 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10066040 positive integers (up to 20209972) that are relatively prime to 20209972.
20209972 has 12 divisors, whose sum is 35503776
The reverse of 20209972 is 27990202
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million two hundred nine thousand nine hundred seventy-two
Scientific notation
2.0209972 × 10^7
Engineering notation
2.0209972 × 10^6
Prime Factorization
2 × 2 × 263 × 19211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10104986
Product of the distinct prime numbers
The prime factorization of 20209972 is 2 × 2 × 263 × 19211.
Since it has a total of 4 prime factors.
10 , 5 , 52 , 42 , 736 , 302 , 7022 , 743 , 66355 , 96055 , 620091 , 748843 , 4946885 , 4890341 , 12940860 , 73634402 , 564484476 , 348326924 , 2070936589 , 2341120268
n×2
40419944
n×3
60629916
n×4
80839888
n×5
101049860
n÷2
10104986
n÷3
6736657.3333333
n÷3
5052493
n÷5
4041994.4
n2
408442968240784
n3
8.2546209517431E+21
n4
1.6682565830534E+29
n5
3.3715418832325E+36
2 √n
4495.5502444084
3 √n
272.3883761319
4 √n
67.048864601933
5 √n
28.914330601645
1 , 2 , 4 , 263 , 526 , 1052 , 19211 , 38422 , 76844 , 5052493 , 10104986 , 20209972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20209971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20209972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20209972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000110000100110100
3
Ternary
1102000202212111
4
Quaternary
1031012010310
5
Quinary
20133204342
6
Senary
2001100404
8
Octal
115060464
10
Decimal
20209972
12
Duodecimal
6927704
16
Hexadecimal
1346134
20
Vigesimal
6664ic
36
Base36
c1644
md5
7da623b626881e132112ff9d94c59c84
sha1
c73aea051ad9cdda05af5066e5cfea408c5af72f
sha256
63e9d16877de2b9e13fceda8e0426dae06fcf0310fcc2832a06ebcadeed0cbfb
sha512
465ef038b77bf748b1ab0fbfd417470597943533b8e78e9a298355b31dfe9cd86c4ab015fff56b3e07c1971815948d4208f8889aaff0c8efc8d429a95ea09a7a
ripemd-160
010a12c1e1ed7b643777e392c753f6d06bc106e5
Diameter
40419944
Circumference
126982999.12891
Area
1.2831614284357E+15
Volume
3.4576875386886E+22
Surface area
5.1326457137426E+15
Circumference
126982999.12891
Perimeter
80839888
Area
408442968240784
Diagonal
28581216.497581
Surface area
2450657809444704
Volume
8.2546209517431E+21
Space diagonal
35004698.323544
Perimeter
60629916
Area
1.7686099324682E+14
Altitude
17502349.161772
Surface area
1.7686099324682E+14
Volume
9.7281640851702E+20
Height
9527072.1658602