1645456421 (number)

1645456421 is an odd 10-digits composite number following 1645456420 and preceding 1645456422. In scientific notation, it is written as 1.645456421 × 10^9. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 1410391212 positive integers (up to 1645456421) that are relatively prime to 1645456421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.645456421 × 10^9
Engineering notation 1.645456421 × 10^9

Prime Factorization of 1645456421

Prime Factorization 7 × 235065203

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1645456421
Product of the distinct prime numbers

The prime factorization of 1645456421 is 7 × 235065203. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 61, 31, 65, 746, 4846, 5058, 98476, 66786, 567239, 145926, 1342087, 1420872, 20728648, 81174637, 289341399, 473138002, 2275477153, 5399878102

Basic calculations (n = 1645456421)

Multiplication

n×y
n×2 3290912842
n×3 4936369263
n×4 6581825684
n×5 8227282105

Division

n÷y
n÷2 822728210.5
n÷3 548485473.66667
n÷3 411364105.25
n÷5 329091284.2

Exponentiation

ny
n2 2707526833410129241
n3 4.4551174130645E+27
n4 7.3307015536359E+36
n5 1.2062349941865E+46

Nth Root

y√n
2√n 40564.225876997
3√n 1180.5801085662
4√n 201.40562523673
5√n 69.70393193559

Divisors of 1645456421

1, 7, 235065203, 1645456421

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 -1645456420
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 1645456421 can be divided by 4 positive divisors. The sum of these divisors (counting 1645456421) is 1, the average is 0.25.

Base conversion 1645456421

Base System Value
2 Binary 1100010000100111010110000100101
3 Ternary 11020200012211212102
4 Quaternary 1202010322300211
5 Quinary 11332214101141
6 Senary 431135501445
8 Octal 14204726045
10 Decimal 1645456421
12 Duodecimal 39b087885
16 Hexadecimal 6213ac25
20 Vigesimal 15e42111
36 Base36 r7nuat

Cryptographic Hash Functions

md5 56211acf0d1a43952ea289d3de91475f
sha1 d0b85cc2192dcc342b90ec4d26e403e60dd70e9a
sha256 9838216ffc641fac1bc6f86f233a03eaeadc38f73cf7311c15c19c1e98db00a4
sha512 b974d5b2c50547d3e63db97d17263b3b9b25d31ce6a37eebc62d252f2fb141a34a6bbf054cd1491ccbbe6ec745bedd510f5d51eee9bbdc7b916f33e367b2a24a
ripemd-160 7c5b23c067f0785073d27b40981ad2181de9dbe3

1645456421 as geometric shapes

Circle

Radius = n
Diameter 3290912842
Circumference 10338707608.032
Area 8.5059464092385E+18

Sphere

Radius = n
Volume 1.8661552181018E+28
Surface area 3.4023785636954E+19
Circumference 10338707608.032

Square

Length = n
Perimeter 6581825684
Area 2707526833410129241
Diagonal 2327026786.8721

Cube

Length = n
Surface area 1.6245161000461E+19
Volume 4.4551174130645E+27
Space diagonal 2850014122.8124

Equilateral Triangle

Length = n
Perimeter 4936369263
Area 1.1723935095806E+18
Altitude 1425007061.4062

Triangular Pyramid

Length = n
Surface area 1.1723935095806E+18
Volume 5.2504062229336E+26
Height 775675595.62403