20002561 (number)

20002561 is an odd 8-digits composite number following 20002560 and preceding 20002562. In scientific notation, it is written as 2.0002561 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 19960324 positive integers (up to 20002561) that are relatively prime to 20002561.

Interesting facts

Basic properties

Name

Name twenty million two thousand five hundred sixty-one

Notation

Scientific notation 2.0002561 × 10^7
Engineering notation 2.0002561 × 10^6

Prime Factorization of 20002561

Prime Factorization 479 × 41759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20002561
Product of the distinct prime numbers

The prime factorization of 20002561 is 479 × 41759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20002561)

Multiplication

n×y
n×2 40005122
n×3 60007683
n×4 80010244
n×5 100012805

Division

n÷y
n÷2 10001280.5
n÷3 6667520.3333333
n÷3 5000640.25
n÷5 4000512.2

Exponentiation

ny
n2 400102446558721
n3 8.0030735935401E+21
n4 1.6008196774227E+29
n5 3.2020493247649E+36

Nth Root

y√n
2√n 4472.4222743386
3√n 271.45334720419
4√n 66.876171199752
5√n 28.85473703119

Divisors of 20002561

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20002560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20002561 can be divided by 4 positive divisors. The sum of these divisors (counting 20002561) is 1, the average is 0.25.

Base conversion 20002561

Base System Value
2 Binary 1001100010011011100000001
3 Ternary 1101122020100121
4 Quaternary 1030103130001
5 Quinary 20110040221
6 Senary 1552420241
8 Octal 114233401
10 Decimal 20002561
12 Duodecimal 6847681
16 Hexadecimal 1313701
20 Vigesimal 650681
36 Base36 bwq2p

Cryptographic Hash Functions

md5 e46390328c62aa52ab45d62d2da5a43f
sha1 5ea102340b9d03a8c45d011e02c195f1c26a6ea1
sha256 9340efda2002cbc353df50973fd6b720d6273771af2b2720dbfab41c667cca56
sha512 1689d1a1a26da783f51e67837dda1a758c14538531bb3949bc9a04986714e21c7c1ccc422df1a0b558bb095b298e4b20ddec5f9207b73a6f5a4a369e5f741867
ripemd-160 247fa177e458fefb4f15e7deec72b092a620ff56

20002561 as geometric shapes

Circle

Radius = n
Diameter 40005122
Circumference 125679797.38116
Area 1.2569589067922E+15

Sphere

Radius = n
Volume 3.3523196276805E+22
Surface area 5.0278356271687E+15
Circumference 125679797.38116

Square

Length = n
Perimeter 80010244
Area 400102446558721
Diagonal 28287893.048395

Cube

Length = n
Surface area 2400614679352326
Volume 8.0030735935401E+21
Space diagonal 34645451.933496

Equilateral Triangle

Length = n
Perimeter 60007683
Area 1.7324944141808E+14
Altitude 17322725.966748

Triangular Pyramid

Length = n
Surface area 1.7324944141808E+14
Volume 9.4317126805453E+20
Height 9429297.6827984