20451382 is an even 8-digits composite number following 20451381
and preceding 20451383 . In scientific notation, it is written as 2.0451382 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 8481960 positive integers (up to 20451382) that are relatively prime to 20451382.
20451382 has 16 divisors, whose sum is 36191232
The reverse of 20451382 is 28315402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred fifty-one thousand three hundred eighty-two
Scientific notation
2.0451382 × 10^7
Engineering notation
2.0451382 × 10^6
Prime Factorization
2 × 7 × 31 × 47123
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20451382
Product of the distinct prime numbers
The prime factorization of 20451382 is 2 × 7 × 31 × 47123.
Since it has a total of 4 prime factors.
3 , 2 , 19 , 10 , 553 , 249 , 3855 , 7837 , 95144 , 97389 , 913186 , 922344 , 7195912 , 7545694 , 2686349 , 98483616 , 833617564 , 743618539 , 6926271174 , 54921007
n×2
40902764
n×3
61354146
n×4
81805528
n×5
102256910
n÷2
10225691
n÷3
6817127.3333333
n÷3
5112845.5
n÷5
4090276.4
n2
418259025709924
n3
8.5539751097415E+21
n4
1.7494061258781E+29
n5
3.5777772953474E+36
2 √n
4522.3204220842
3 √n
273.46865432456
4 √n
67.248200140109
5 √n
28.983079770684
1 , 2 , 7 , 14 , 31 , 62 , 217 , 434 , 47123 , 94246 , 329861 , 659722 , 1460813 , 2921626 , 10225691 , 20451382
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
-20451381
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 20451382 can be divided by 16 positive divisors.
The sum of these divisors (counting 20451382) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001000000110110
3
Ternary
1102111001000121
4
Quaternary
1032001000312
5
Quinary
20213421012
6
Senary
2010202154
8
Octal
116010066
10
Decimal
20451382
12
Duodecimal
6a2335a
16
Hexadecimal
1381036
20
Vigesimal
67g892
36
Base36
c6cdy
md5
a76db0375dd2f5fc9658f9ca8d46e8c6
sha1
bda26817a0a01756167145744173ec165a47077a
sha256
e73699386c7dc5c7d9b2c847d765acf2ed5f990a0bd181239e82041e0ebc88cb
sha512
bb6b5883f3a94b2ba37b09bb3fe1ba9ed139e0cb20e632fe20417a243e50f56586539b2c6a851cdb6e312e8c01eef6ad5ab17a898b08b66d1e82c31d076e629d
ripemd-160
8ad3c0ae0b597bc7a82d59c6a220d85fe1a551c3
Diameter
40902764
Circumference
128499822.89392
Area
1.3139994824679E+15
Volume
3.5830807151672E+22
Surface area
5.2559979298717E+15
Circumference
128499822.89392
Perimeter
81805528
Area
418259025709924
Diagonal
28922621.793673
Surface area
2509554154259544
Volume
8.5539751097415E+21
Space diagonal
35422832.709
Perimeter
61354146
Area
1.8111147081346E+14
Altitude
17711416.3545
Surface area
1.8111147081346E+14
Volume
1.0080956343665E+21
Height
9640873.9312243