20512984 is an even 8-digits composite number following 20512983
and preceding 20512985 . In scientific notation, it is written as 2.0512984 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 10256488 positive integers (up to 20512984) that are relatively prime to 20512984.
20512984 has 8 divisors, whose sum is 38461860
The reverse of 20512984 is 48921502
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million five hundred twelve thousand nine hundred eighty-four
Scientific notation
2.0512984 × 10^7
Engineering notation
2.0512984 × 10^6
Prime Factorization
2 × 2 × 2 × 2564123
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5128246
Product of the distinct prime numbers
The prime factorization of 20512984 is 2 × 2 × 2 × 2564123.
Since it has a total of 4 prime factors.
4 , 1 , 20 , 83 , 23 , 95 , 518 , 4623 , 41224 , 79902 , 358680 , 398970 , 7375381 , 8297985 , 32417710 , 78205132 , 89051803 , 630781399 , 5387071668 , 356075984
n×2
41025968
n×3
61538952
n×4
82051936
n×5
102564920
n÷2
10256492
n÷3
6837661.3333333
n÷3
5128246
n÷5
4102596.8
n2
420782512584256
n3
8.6315049481206E+21
n4
1.7705792289672E+29
n5
3.6319863394536E+36
2 √n
4529.1261850383
3 √n
273.7429524954
4 √n
67.29878293876
5 √n
29.000518869965
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
-20512983
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 20512984 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512984) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010000000011011000
3
Ternary
1102121011112011
4
Quaternary
1032100003120
5
Quinary
20222403414
6
Senary
2011355304
8
Octal
116200330
10
Decimal
20512984
12
Duodecimal
6a52b34
16
Hexadecimal
13900d8
20
Vigesimal
684294
36
Base36
c7nx4
md5
d8877ab56c826f0dad23c42cc84f1688
sha1
af82b1e41fad6d65d94559eed8013fdb48ebc5de
sha256
b3b2471d881b707420eb6df1a8cb5c4a7a1127b501280c09a858af795c303468
sha512
186fbc70f5a1035c3218f66d1fead5f6c9571439c093a6f537fd8ec14dbd063e4424a5923c4ab6a6edafab46bd25eac942e6257c0175427f90baebf6f12103c0
ripemd-160
95c778a350f9450be65b122f301ab562035c2a41
Diameter
41025968
Circumference
128886879.67521
Area
1.3219272502938E+15
Volume
3.6155563379253E+22
Surface area
5.287709001175E+15
Circumference
128886879.67521
Perimeter
82051936
Area
420782512584256
Diagonal
29009740.177542
Surface area
2524695075505536
Volume
8.6315049481206E+21
Space diagonal
35529530.502847
Perimeter
61538952
Area
1.8220417268311E+14
Altitude
17764765.251424
Surface area
1.8220417268311E+14
Volume
1.0172326134436E+21
Height
9669913.3925141