20121528 is an even 8-digits composite number following 20121527
and preceding 20121529 . In scientific notation, it is written as 2.0121528 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 16 positive divisors.
There are 5748960 positive integers (up to 20121528) that are relatively prime to 20121528.
20121528 has 16 divisors, whose sum is 39524760
The reverse of 20121528 is 82512102
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-one thousand five hundred twenty-eight
Scientific notation
2.0121528 × 10^7
Engineering notation
2.0121528 × 10^6
Prime Factorization
2 × 2 × 2 × 21 × 119771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5030382
Product of the distinct prime numbers
The prime factorization of 20121528 is 2 × 2 × 2 × 21 × 119771.
Since it has a total of 5 prime factors.
4 , 4 , 87 , 28 , 257 , 302 , 3716 , 9793 , 35110 , 50003 , 953901 , 362279 , 3912295 , 5448637 , 84635920 , 60098304 , 474632816 , 17953145 , 1295982555 , 7824797087
n×2
40243056
n×3
60364584
n×4
80486112
n×5
100607640
n÷2
10060764
n÷3
6707176
n÷3
5030382
n÷5
4024305.6
n2
404875889054784
n3
8.1467215381407E+21
n4
1.639244855379E+29
n5
3.2984111256365E+36
2 √n
4485.702620549
3 √n
271.9904480498
4 √n
66.9753881702
5 √n
28.888978885138
1 , 2 , 4 , 8 , 21 , 42 , 84 , 168 , 119771 , 239542 , 479084 , 958168 , 2515191 , 5030382 , 10060764 , 20121528
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
-20121527
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 20121528 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121528) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000011110111000
3
Ternary
1101212021112210
4
Quaternary
1030300132320
5
Quinary
20122342103
6
Senary
1555135120
8
Octal
114603670
10
Decimal
20121528
12
Duodecimal
68a44a0
16
Hexadecimal
13307b8
20
Vigesimal
65f3g8
36
Base36
bz9vc
md5
a548fb4ce7f908a295c6c864a566e360
sha1
a67983422b4dc561ad12cab65f285b4e63ac6f34
sha256
7fd7bfacb55de363915d739360b121e71d5492b56017fcb19ba98bc2e53b3d3d
sha512
3d307140de951bc6e2042791b4f71ea92e623cbeefac44658f6a0ddc8527bb50c66c2a17924e91d58d45be0b435a38e8a01c6611ade925cd7968d6a8e77cc157
ripemd-160
a5201bce1c63821939eca4775449d4a667f2cd64
Diameter
40243056
Circumference
126427289.0876
Area
1.2719551186701E+15
Volume
3.4124907380086E+22
Surface area
5.0878204746806E+15
Circumference
126427289.0876
Perimeter
80486112
Area
404875889054784
Diagonal
28456137.79327
Surface area
2429255334328704
Volume
8.1467215381407E+21
Space diagonal
34851508.82192
Perimeter
60364584
Area
1.7531640265063E+14
Altitude
17425754.41096
Surface area
1.7531640265063E+14
Volume
9.601003406763E+20
Height
9485379.2644233