20121572 is an even 8-digits composite number following 20121571
and preceding 20121573 . In scientific notation, it is written as 2.0121572 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 10018560 positive integers (up to 20121572) that are relatively prime to 20121572.
20121572 has 12 divisors, whose sum is 35360556
The reverse of 20121572 is 27512102
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand five hundred seventy-two
Scientific notation
2.0121572 × 10^7
Engineering notation
2.0121572 × 10^6
Prime Factorization
2 × 2 × 241 × 20873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10060786
Product of the distinct prime numbers
The prime factorization of 20121572 is 2 × 2 × 241 × 20873.
Since it has a total of 4 prime factors.
4 , 7 , 34 , 13 , 858 , 232 , 5112 , 3179 , 62014 , 3233 , 870875 , 941609 , 5550810 , 3127626 , 62244512 , 67476411 , 576086864 , 82333922 , 61935838 , 4498790940
n×2
40243144
n×3
60364716
n×4
80486288
n×5
100607860
n÷2
10060786
n÷3
6707190.6666667
n÷3
5030393
n÷5
4024314.4
n2
404877659751184
n3
8.146774981875E+21
n4
1.639259193656E+29
n5
3.298447189181E+36
2 √n
4485.7075250177
3 √n
271.99064630464
4 √n
66.975424784152
5 √n
28.888991519506
1 , 2 , 4 , 241 , 482 , 964 , 20873 , 41746 , 83492 , 5030393 , 10060786 , 20121572
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
-20121571
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 20121572 can be divided by 12 positive divisors.
The sum of these divisors (counting 20121572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000011111100100
3
Ternary
1101212021121102
4
Quaternary
1030300133210
5
Quinary
20122342242
6
Senary
1555135232
8
Octal
114603744
10
Decimal
20121572
12
Duodecimal
68a4518
16
Hexadecimal
13307e4
20
Vigesimal
65f3ic
36
Base36
bz9wk
md5
cb196e0808a6613a9e9803953b3f6fe5
sha1
79584924a3d666921805aa8732252039edd0747a
sha256
d730d300f86a3789ae105e162bb508cc570519d6413508fd1105dfc99ec86de2
sha512
210d2991d96eb31e4735ac5f741026a5cc0a4ef9305288c12515844dc85911c3ab040cb89f20b441b8d159cfc59a185be9213d2e846ca2db98e4fa83f1c2d6aa
ripemd-160
93c3aec162670ac5b75eadd92b5d20b31b2ccf49
Diameter
40243144
Circumference
126427565.54776
Area
1.2719606814769E+15
Volume
3.4125131244677E+22
Surface area
5.0878427259078E+15
Circumference
126427565.54776
Perimeter
80486288
Area
404877659751184
Diagonal
28456200.018667
Surface area
2429265958507104
Volume
8.146774981875E+21
Space diagonal
34851585.032155
Perimeter
60364716
Area
1.7531716938466E+14
Altitude
17425792.516078
Surface area
1.7531716938466E+14
Volume
9.6010663908078E+20
Height
9485400.0062222