20121628 is an even 8-digits composite number following 20121627
and preceding 20121629 . In scientific notation, it is written as 2.0121628 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 10051712 positive integers (up to 20121628) that are relatively prime to 20121628.
20121628 has 12 divisors, whose sum is 35244720
The reverse of 20121628 is 82612102
Previous prime number is 1889
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-one thousand six hundred twenty-eight
Scientific notation
2.0121628 × 10^7
Engineering notation
2.0121628 × 10^6
Prime Factorization
2 × 2 × 1889 × 2663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10060814
Product of the distinct prime numbers
The prime factorization of 20121628 is 2 × 2 × 1889 × 2663.
Since it has a total of 4 prime factors.
2 , 7 , 32 , 83 , 410 , 710 , 7323 , 8718 , 90723 , 88795 , 767381 , 565780 , 340334 , 4655665 , 89800488 , 54733541 , 350196638 , 470733112 , 222989617 , 3605719294
n×2
40243256
n×3
60364884
n×4
80486512
n×5
100608140
n÷2
10060814
n÷3
6707209.3333333
n÷3
5030407
n÷5
4024325.6
n2
404879913370384
n3
8.1468430015111E+21
n4
1.6392774425081E+29
n5
3.2984930886939E+36
2 √n
4485.7137670609
3 √n
271.99089862857
4 √n
66.975471383641
5 √n
28.889007599579
1 , 2 , 4 , 1889 , 2663 , 3778 , 5326 , 7556 , 10652 , 5030407 , 10060814 , 20121628
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
-20121627
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 20121628 can be divided by 12 positive divisors.
The sum of these divisors (counting 20121628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000100000011100
3
Ternary
1101212021200111
4
Quaternary
1030300200130
5
Quinary
20122343003
6
Senary
1555135404
8
Octal
114604034
10
Decimal
20121628
12
Duodecimal
68a4564
16
Hexadecimal
133081c
20
Vigesimal
65f418
36
Base36
bz9y4
md5
bd704619fbb189f1a131ad56199e28ed
sha1
d15408c173ab77571e817d6a7c42584dabee4242
sha256
e23e8c678a747e84fa578c93d993e7ec0cdf7176714ac2ba4c7dafa7d717cab6
sha512
604eccf676884f4f1f8f74ca947437e36383d35e3bcd8a3bd199f736311cc4997715445679d9aea43f8a44bfdd01eec11fad7e9cb81d4db25816ba151f997585
ripemd-160
6372cfae71e3ee9dd5a8f2e3733346aebb67f970
Diameter
40243256
Circumference
126427917.40613
Area
1.2719677614305E+15
Volume
3.4125416164662E+22
Surface area
5.0878710457219E+15
Circumference
126427917.40613
Perimeter
80486512
Area
404879913370384
Diagonal
28456279.214626
Surface area
2429279480222304
Volume
8.1468430015111E+21
Space diagonal
34851682.027001
Perimeter
60364884
Area
1.753181452304E+14
Altitude
17425841.0135
Surface area
1.753181452304E+14
Volume
9.6011465527178E+20
Height
9485426.4048754