20121828 is an even 8-digits composite number following 20121827
and preceding 20121829 . In scientific notation, it is written as 2.0121828 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 6564384 positive integers (up to 20121828) that are relatively prime to 20121828.
20121828 has 12 divisors, whose sum is 35463932
The reverse of 20121828 is 82812102
Previous prime number is 141
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-one thousand eight hundred twenty-eight
Scientific notation
2.0121828 × 10^7
Engineering notation
2.0121828 × 10^6
Prime Factorization
2 × 2 × 141 × 35677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10060914
Product of the distinct prime numbers
The prime factorization of 20121828 is 2 × 2 × 141 × 35677.
Since it has a total of 4 prime factors.
4 , 3 , 46 , 27 , 91 , 688 , 5287 , 957 , 78885 , 59866 , 129358 , 548027 , 6361577 , 6410259 , 74249251 , 97062287 , 957921326 , 956379120 , 5406424524 , 1300656566
n×2
40243656
n×3
60365484
n×4
80487312
n×5
100609140
n÷2
10060914
n÷3
6707276
n÷3
5030457
n÷5
4024365.6
n2
404887962061584
n3
8.1470859318737E+21
n4
1.6393426182238E+29
n5
3.298657019697E+36
2 √n
4485.7360600017
3 √n
271.99179978162
4 √n
66.975637809593
5 √n
28.889065028119
1 , 2 , 4 , 141 , 282 , 564 , 35677 , 71354 , 142708 , 5030457 , 10060914 , 20121828
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121828 can be divided by 12 positive divisors.
The sum of these divisors (counting 20121828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000100011100100
3
Ternary
1101212021221220
4
Quaternary
1030300203210
5
Quinary
20122344303
6
Senary
1555140340
8
Octal
114604344
10
Decimal
20121828
12
Duodecimal
68a46b0
16
Hexadecimal
13308e4
20
Vigesimal
65f4b8
36
Base36
bza3o
md5
bd9f28591699e32620a3b038bd265744
sha1
953906560dc3b7a4203893d34fc9c3b03064d3f9
sha256
2b784da700fa16b545fc39eabe1ae6c342664a6649b5cde0add010e19448a1c1
sha512
b00d2b510b10e4c1b5cff72eba28e84db4bc5f0f5112bb32ba298253dd02eeb8021f8b62289fc80598c8931fb3d00c5bc25f6151dcda4cea6fa67a87c573146e
ripemd-160
98058119e8f0038aee2050c7c4cd60e4cc02e72c
Diameter
40243656
Circumference
126429174.04319
Area
1.2719930471396E+15
Volume
3.4126433748986E+22
Surface area
5.0879721885585E+15
Circumference
126429174.04319
Perimeter
80487312
Area
404887962061584
Diagonal
28456562.057339
Surface area
2429327772369504
Volume
8.1470859318737E+21
Space diagonal
34852028.437162
Perimeter
60365484
Area
1.7532163041592E+14
Altitude
17426014.218581
Surface area
1.7532163041592E+14
Volume
9.6014328488957E+20
Height
9485520.6857796