20001564 (number)

20001564 is an even 8-digits composite number following 20001563 and preceding 20001565. In scientific notation, it is written as 2.0001564 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 72 positive divisors. There are 5940480 positive integers (up to 20001564) that are relatively prime to 20001564.

Interesting facts

Basic properties

Name

Name twenty million one thousand five hundred sixty-four

Notation

Scientific notation 2.0001564 × 10^7
Engineering notation 2.0001564 × 10^6

Prime Factorization of 20001564

Prime Factorization 2 × 2 × 3 × 3 × 11 × 53 × 953

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3333594
Product of the distinct prime numbers

The prime factorization of 20001564 is 2 × 2 × 3 × 3 × 11 × 53 × 953. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001564)

Multiplication

n×y
n×2 40003128
n×3 60004692
n×4 80006256
n×5 100007820

Division

n÷y
n÷2 10000782
n÷3 6667188
n÷3 5000391
n÷5 4000312.8

Exponentiation

ny
n2 400062562446096
n3 8.0018769467696E+21
n4 1.6005005387094E+29
n5 3.201251395703E+36

Nth Root

y√n
2√n 4472.310812097
3√n 271.44883705698
4√n 66.875337846601
5√n 28.85444938056

Divisors of 20001564

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001563
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001564 can be divided by 72 positive divisors. The sum of these divisors (counting 20001564) is 1, the average is 0.013888888888889.

Base conversion 20001564

Base System Value
2 Binary 1001100010011001100011100
3 Ternary 1101122011222200
4 Quaternary 1030103030130
5 Quinary 20110022224
6 Senary 1552411500
8 Octal 114231434
10 Decimal 20001564
12 Duodecimal 6846b90
16 Hexadecimal 131331c
20 Vigesimal 6503i4
36 Base36 bwpb0

Cryptographic Hash Functions

md5 a419db81c29c10a11208c8a8ad2f61d5
sha1 d727f4bfa88355335dfd7299b6ca3d8263fad171
sha256 64e809c1d40040d31ca0dee91459f54a609fe2e39c9d15a2f1fc5b4e7db7b8ce
sha512 4737c3bde56c8d7252b3c6e7a48baa5e9278279d5a467423ab5b6800ecc30dcf2167a410b17250decd13cfce717d93bec15f6d618301f4e8701dcb2393f7e3eb
ripemd-160 dde4ccec9bad812a7ed4de440f087ff0979b850e

20001564 as geometric shapes

Circle

Radius = n
Diameter 40003128
Circumference 125673533.04541
Area 1.256833607157E+15

Sphere

Radius = n
Volume 3.3518183774534E+22
Surface area 5.0273344286279E+15
Circumference 125673533.04541

Square

Length = n
Perimeter 80006256
Area 400062562446096
Diagonal 28286483.077473

Cube

Length = n
Surface area 2400375374676576
Volume 8.0018769467696E+21
Space diagonal 34643725.078841

Equilateral Triangle

Length = n
Perimeter 60004692
Area 1.7323217109071E+14
Altitude 17321862.53942

Triangular Pyramid

Length = n
Surface area 1.7323217109071E+14
Volume 9.4303024188018E+20
Height 9428827.6924912