20145982 is an even 8-digits composite number following 20145981
and preceding 20145983 . In scientific notation, it is written as 2.0145982 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9637920 positive integers (up to 20145982) that are relatively prime to 20145982.
20145982 has 16 divisors, whose sum is 31551552
The reverse of 20145982 is 28954102
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-five thousand nine hundred eighty-two
Scientific notation
2.0145982 × 10^7
Engineering notation
2.0145982 × 10^6
Prime Factorization
2 × 61 × 37 × 4463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145982
Product of the distinct prime numbers
The prime factorization of 20145982 is 2 × 61 × 37 × 4463.
Since it has a total of 4 prime factors.
1 , 4 , 33 , 84 , 557 , 391 , 9284 , 8585 , 53110 , 7689 , 479664 , 698146 , 2416489 , 1065423 , 50100873 , 22976282 , 309610777 , 755090694 , 2753984854 , 7159611557
n×2
40291964
n×3
60437946
n×4
80583928
n×5
100729910
n÷2
10072991
n÷3
6715327.3333333
n÷3
5036495.5
n÷5
4029196.4
n2
405860590744324
n3
8.1764601556445E+21
n4
1.6472281911933E+29
n5
3.3185029489673E+36
2 √n
4488.4275643036
3 √n
272.10058815741
4 √n
66.995727955621
5 √n
28.895997317491
1 , 2 , 37 , 61 , 74 , 122 , 2257 , 4463 , 4514 , 8926 , 165131 , 272243 , 330262 , 544486 , 10072991 , 20145982
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145982 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110011100111110
3
Ternary
1101220112002111
4
Quaternary
1030312130332
5
Quinary
20124132412
6
Senary
1555444234
8
Octal
114663476
10
Decimal
20145982
12
Duodecimal
68b667a
16
Hexadecimal
133673e
20
Vigesimal
65i4j2
36
Base36
bzsqm
md5
e72f0408c6824adce125353100d9e962
sha1
3833eb374646d2e3a844663578d5efeb52700cfb
sha256
029c6ebb1784c42c17b213bfa978c766a6203141996de0b0a4594af29a26cfb5
sha512
7a4d8cb8acc18ce3cc59626ed3f640741791e34ae63281b7f33e7a3fd517264f538fca3597d5e444667c32df1dc78324bd33c3808efe3cc9a39961d98d8c2b8f
ripemd-160
714eff1d7abca1f8d7f3bfb76caa02a6068be662
Diameter
40291964
Circumference
126580938.1011
Area
1.275048650264E+15
Volume
3.424947620979E+22
Surface area
5.1001946010559E+15
Circumference
126580938.1011
Perimeter
80583928
Area
405860590744324
Diagonal
28490720.971724
Surface area
2435163544465944
Volume
8.1764601556445E+21
Space diagonal
34893864.392368
Perimeter
60437946
Area
1.7574279098977E+14
Altitude
17446932.196184
Surface area
1.7574279098977E+14
Volume
9.6360507035964E+20
Height
9496906.9905748