20191572 is an even 8-digits composite number following 20191571
and preceding 20191573 . In scientific notation, it is written as 2.0191572 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 6730488 positive integers (up to 20191572) that are relatively prime to 20191572.
20191572 has 12 divisors, whose sum is 36644160
The reverse of 20191572 is 27519102
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred ninety-one thousand five hundred seventy-two
Scientific notation
2.0191572 × 10^7
Engineering notation
2.0191572 × 10^6
Prime Factorization
2 × 2 × 27 × 186959
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10095786
Product of the distinct prime numbers
The prime factorization of 20191572 is 2 × 2 × 27 × 186959.
Since it has a total of 4 prime factors.
1 , 6 , 34 , 73 , 840 , 625 , 5943 , 719 , 7202 , 21028 , 45505 , 79415 , 5091607 , 5258160 , 83231837 , 37304998 , 437850184 , 920510492 , 2620127108 , 8208528147
n×2
40383144
n×3
60574716
n×4
80766288
n×5
100957860
n÷2
10095786
n÷3
6730524
n÷3
5047893
n÷5
4038314.4
n2
407699579831184
n3
8.2320954205311E+21
n4
1.6621894739452E+29
n5
3.3562218440807E+36
2 √n
4493.5033103359
3 √n
272.30568645905
4 √n
67.033598369295
5 √n
28.909063721121
1 , 2 , 4 , 27 , 54 , 108 , 186959 , 373918 , 747836 , 5047893 , 10095786 , 20191572
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
-20191571
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 20191572 can be divided by 12 positive divisors.
The sum of these divisors (counting 20191572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000001100101010100
3
Ternary
1101222211122000
4
Quaternary
1031001211110
5
Quinary
20132112242
6
Senary
2000435300
8
Octal
115014524
10
Decimal
20191572
12
Duodecimal
6918b30
16
Hexadecimal
1341954
20
Vigesimal
663iic
36
Base36
c0rx0
md5
04617a34637045be6402ef5c2d3a6765
sha1
670e386766023badce4827836c3ebc81f5b47732
sha256
d1f152a57f2eff813f290073df427a1c58144dee613b753ff5adfe101251e095
sha512
3668990c0fc425c86e76966be48017ff48cbe991487723e774669fe742f0e697ca64c3883b0f437e37f13d95ec7239bc62583bc2ed963cf1ddd2a6530e1c1d86
ripemd-160
ad0999ad1696ce6127d838cd2ce3a05c6c6149f4
Diameter
40383144
Circumference
126867388.51926
Area
1.2808260048693E+15
Volume
3.4482520662388E+22
Surface area
5.1233040194772E+15
Circumference
126867388.51926
Perimeter
80766288
Area
407699579831184
Diagonal
28555194.968033
Surface area
2446197478987104
Volume
8.2320954205311E+21
Space diagonal
34972828.588685
Perimeter
60574716
Area
1.7653909662302E+14
Altitude
17486414.294343
Surface area
1.7653909662302E+14
Volume
9.7016174920538E+20
Height
9518398.3226776