20121584 is an even 8-digits composite number following 20121583
and preceding 20121585 . In scientific notation, it is written as 2.0121584 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors.
There are 8623488 positive integers (up to 20121584) that are relatively prime to 20121584.
20121584 has 20 divisors, whose sum is 44555184
The reverse of 20121584 is 48512102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-one thousand five hundred eighty-four
Scientific notation
2.0121584 × 10^7
Engineering notation
2.0121584 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 179657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2515198
Product of the distinct prime numbers
The prime factorization of 20121584 is 2 × 2 × 2 × 2 × 7 × 179657.
Since it has a total of 6 prime factors.
4 , 7 , 94 , 35 , 840 , 675 , 9252 , 9973 , 81045 , 44684 , 554295 , 72123 , 8056317 , 4064582 , 25474657 , 65123501 , 615121914 , 430192275 , 9663457463 , 2470135298
n×2
40243168
n×3
60364752
n×4
80486336
n×5
100607920
n÷2
10060792
n÷3
6707194.6666667
n÷3
5030396
n÷5
4024316.8
n2
404878142669056
n3
8.1467895574794E+21
n4
1.6392631041114E+29
n5
3.2984570247479E+36
2 √n
4485.7088625991
3 √n
271.99070037409
4 √n
66.975434769765
5 √n
28.888994965239
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 179657 , 359314 , 718628 , 1257599 , 1437256 , 2515198 , 2874512 , 5030396 , 10060792 , 20121584
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121583
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121584 can be divided by 20 positive divisors.
The sum of these divisors (counting 20121584) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110000011111110000
3
Ternary
1101212021121212
4
Quaternary
1030300133300
5
Quinary
20122342314
6
Senary
1555135252
8
Octal
114603760
10
Decimal
20121584
12
Duodecimal
68a4528
16
Hexadecimal
13307f0
20
Vigesimal
65f3j4
36
Base36
bz9ww
md5
759cf0547eabb52c728d0e763397b656
sha1
f51353c2ad3face090602902acaacfaf1ed5fb9e
sha256
6304d1a687020222c4bbc562e3e38d4cf7b159dcaecc5fb2c0a27aa18211318b
sha512
b49b35897b0776eb2ce6b797a5351828121a7686c34e47afcc5a0d68b4f0346b806c8aa07385cab28530a2588f5e6ed9cd6eaaf460c0b29b03d7b5f5dcb2bb21
ripemd-160
8e6258473667f102009a7e514362f0d4a6fe0607
Diameter
40243168
Circumference
126427640.94598
Area
1.2719621986082E+15
Volume
3.4125192298826E+22
Surface area
5.0878487944327E+15
Circumference
126427640.94598
Perimeter
80486336
Area
404878142669056
Diagonal
28456216.989229
Surface area
2429268856014336
Volume
8.1467895574794E+21
Space diagonal
34851605.816765
Perimeter
60364752
Area
1.7531737849423E+14
Altitude
17425802.908382
Surface area
1.7531737849423E+14
Volume
9.6010835683224E+20
Height
9485405.6630765