20954986 is an even 8-digits composite number following 20954985
and preceding 20954987 . In scientific notation, it is written as 2.0954986 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 9126000 positive integers (up to 20954986) that are relatively prime to 20954986.
20954986 has 32 divisors, whose sum is 35985600
The reverse of 20954986 is 68945902
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million nine hundred fifty-four thousand nine hundred eighty-six
Scientific notation
2.0954986 × 10^7
Engineering notation
2.0954986 × 10^6
Prime Factorization
2 × 19 × 13 × 13 × 13 × 251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
123994
Product of the distinct prime numbers
The prime factorization of 20954986 is 2 × 19 × 13 × 13 × 13 × 251.
Since it has a total of 6 prime factors.
8 , 6 , 31 , 19 , 485 , 1000 , 5021 , 2809 , 64473 , 96188 , 712989 , 890868 , 1112556 , 2720325 , 10623002 , 73192124 , 930179554 , 181195890 , 2958257953 , 6048863642
n×2
41909972
n×3
62864958
n×4
83819944
n×5
104774930
n÷2
10477493
n÷3
6984995.3333333
n÷3
5238746.5
n÷5
4190997.2
n2
439111438260196
n3
9.2015740411823E+21
n4
1.9281885521094E+29
n5
4.0405164114812E+36
2 √n
4577.6616301339
3 √n
275.69514929908
4 √n
67.658418767614
5 √n
29.124432719338
1 , 2 , 13 , 19 , 26 , 38 , 169 , 247 , 251 , 338 , 494 , 502 , 2197 , 3211 , 3263 , 4394 , 4769 , 6422 , 6526 , 9538 , 41743 , 42419 , 61997 , 83486 , 84838 , 123994 , 551447 , 805961 , 1102894 , 1611922 , 10477493 , 20954986
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
-20954985
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 20954986 can be divided by 32 positive divisors.
The sum of these divisors (counting 20954986) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111111011111101101010
3
Ternary
1110102121211121
4
Quaternary
1033323331222
5
Quinary
20331024421
6
Senary
2025045454
8
Octal
117737552
10
Decimal
20954986
12
Duodecimal
702688a
16
Hexadecimal
13fbf6a
20
Vigesimal
6aj796
36
Base36
ch4yy
md5
e6e6ecd03990c27ce1874b3132f4dc17
sha1
31c55e715c91ab5e5e4071fdff72e0339e97c355
sha256
cfef66804e4511adb4c7a41f2e532319c78c8e050187d8711c74101420ee27f5
sha512
454eeb6c8d64e0bcb679f493f0ae4bc3e6932b1266c3630236082dff45cea7b129ae18bcea2fa2a40a6a98e07020387e0c277316ea22806672e9555d2c7c3577
ripemd-160
9e72dadcfecc36356cd082df1151fc5703737dfb
Diameter
41909972
Circumference
131664060.14735
Area
1.3795092685455E+15
Volume
3.8543463212321E+22
Surface area
5.5180370741819E+15
Circumference
131664060.14735
Perimeter
83819944
Area
439111438260196
Diagonal
29634825.400538
Surface area
2634668629561176
Volume
9.2015740411823E+21
Space diagonal
36295100.423895
Perimeter
62864958
Area
1.9014083031283E+14
Altitude
18147550.211947
Surface area
1.9014083031283E+14
Volume
1.0844159003517E+21
Height
9878275.1335128