1645394020 (number)

1645394020 is an even 10-digits composite number following 1645394019 and preceding 1645394021. In scientific notation, it is written as 1.645394020 × 10^9. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 657600000 positive integers (up to 1645394020) that are relatively prime to 1645394020.

Interesting facts

Basic properties

Name

Name one billion six hundred forty-five million three hundred ninety-four thousand twenty

Notation

Scientific notation 1.645394020 × 10^9
Engineering notation 1.645394020 × 10^9

Prime Factorization of 1645394020

Prime Factorization 2 × 2 × 5 × 1201 × 68501

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 822697010
Product of the distinct prime numbers

The prime factorization of 1645394020 is 2 × 2 × 5 × 1201 × 68501. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1645394020)

Multiplication

n×y
n×2 3290788040
n×3 4936182060
n×4 6581576080
n×5 8226970100

Division

n÷y
n÷2 822697010
n÷3 548464673.33333
n÷3 411348505
n÷5 329078804

Exponentiation

ny
n2 2707321481051760400
n3 4.4546105751401E+27
n4 7.3295896017643E+36
n5 1.2060062899797E+46

Nth Root

y√n
2√n 40563.456706745
3√n 1180.5651845793
4√n 201.40371572229
5√n 69.70340324811

Divisors of 1645394020

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1645394019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1645394020 can be divided by 24 positive divisors. The sum of these divisors (counting 1645394020) is 1, the average is 0.041666666666667.

Base conversion 1645394020

Base System Value
2 Binary 1100010000100101011100001100100
3 Ternary 11020200002200021021
4 Quaternary 1202010223201210
5 Quinary 11332210102040
6 Senary 431134300524
8 Octal 14204534144
10 Decimal 1645394020
12 Duodecimal 39b057744
16 Hexadecimal 6212b864
20 Vigesimal 15e3e510
36 Base36 r7mi5g

Cryptographic Hash Functions

md5 c52333fb0510e2a570834665fbe5f701
sha1 9b56dec7fd9a45ecd0b23899c7d5a3ce1f298a88
sha256 9dcd6de6ba9f98118e6926ad7ec59c69b14d8040a7bf6a4281284d2cfaf9d9a9
sha512 ca5c1a7953d2397591a484d848f6efd869cd6872ad4a58f2fa7869ee56cec9c61b0bf6dd0c549339b9b71dfe589c66c439cf918b7a98f6a11fa1cb182c1430d1
ripemd-160 dd9249232cd97c80c4da7a3306043240554dd0e7

1645394020 as geometric shapes

Circle

Radius = n
Diameter 3290788040
Circumference 10338315530.985
Area 8.505301275778E+18

Sphere

Radius = n
Volume 1.8659429143285E+28
Surface area 3.4021205103112E+19
Circumference 10338315530.985

Square

Length = n
Perimeter 6581576080
Area 2707321481051760400
Diagonal 2326938538.5316

Cube

Length = n
Surface area 1.6243928886311E+19
Volume 4.4546105751401E+27
Space diagonal 2849906041.11

Equilateral Triangle

Length = n
Perimeter 4936182060
Area 1.1723045894011E+18
Altitude 1424953020.555

Triangular Pyramid

Length = n
Surface area 1.1723045894011E+18
Volume 5.2498089087115E+26
Height 775646179.51053