20457621 (number)

20457621 is an odd 8-digits composite number following 20457620 and preceding 20457622. In scientific notation, it is written as 2.0457621 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13638408 positive integers (up to 20457621) that are relatively prime to 20457621.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-seven thousand six hundred twenty-one

Notation

Scientific notation 2.0457621 × 10^7
Engineering notation 2.0457621 × 10^6

Prime Factorization of 20457621

Prime Factorization 9 × 2273069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20457621
Product of the distinct prime numbers

The prime factorization of 20457621 is 9 × 2273069. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20457621)

Multiplication

n×y
n×2 40915242
n×3 61372863
n×4 81830484
n×5 102288105

Division

n÷y
n÷2 10228810.5
n÷3 6819207
n÷3 5114405.25
n÷5 4091524.2

Exponentiation

ny
n2 418514256979641
n3 8.5618060523861E+21
n4 1.7515418329522E+29
n5 3.5832378984182E+36

Nth Root

y√n
2√n 4523.0101702296
3√n 273.49646006512
4√n 67.253328320831
5√n 28.984847899344

Divisors of 20457621

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 -20457620
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 20457621 can be divided by 4 positive divisors. The sum of these divisors (counting 20457621) is 1, the average is 0.25.

Base conversion 20457621

Base System Value
2 Binary 1001110000010100010010101
3 Ternary 1102111100120200
4 Quaternary 1032002202111
5 Quinary 20214120441
6 Senary 2010251113
8 Octal 116024225
10 Decimal 20457621
12 Duodecimal 6a26a99
16 Hexadecimal 1382895
20 Vigesimal 67h411
36 Base36 c6h79

Cryptographic Hash Functions

md5 7d6c15343486298d95f17115023c78db
sha1 e6f4e601421e6c99206b57721deafbcabc51a65d
sha256 6e57c0f3a32e2180c3f7809e3dbb12a78eb720e8737230394166fdedb7506fc4
sha512 cb3e61769e84f20aeec17cbf8ad691c81ad9b1024fbf744ddb08ac3fabc936e9b9a2ab223324b93b94fb2e9c1f1b457c6f95b5283bb87a62b1f84097d50a8b3f
ripemd-160 fa717d70d11ed7e610443dbe88cb21af49096793

20457621 as geometric shapes

Circle

Radius = n
Diameter 40915242
Circumference 128539023.68705
Area 1.3148013151498E+15

Sphere

Radius = n
Volume 3.5863609327516E+22
Surface area 5.2592052605993E+15
Circumference 128539023.68705

Square

Length = n
Perimeter 81830484
Area 418514256979641
Diagonal 28931445.072089

Cube

Length = n
Surface area 2511085541877846
Volume 8.5618060523861E+21
Space diagonal 35433638.973988

Equilateral Triangle

Length = n
Perimeter 61372863
Area 1.8122198919517E+14
Altitude 17716819.486994

Triangular Pyramid

Length = n
Surface area 1.8122198919517E+14
Volume 1.0090185198077E+21
Height 9643815.0240295