1645385 (number)

1645385 is an odd 7-digits composite number following 1645384 and preceding 1645386. In scientific notation, it is written as 1.645385 × 10^6. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 1105728 positive integers (up to 1645385) that are relatively prime to 1645385.

Interesting facts

Basic properties

Name

Name one million six hundred forty-five thousand three hundred eighty-five

Notation

Scientific notation 1.645385 × 10^6
Engineering notation 1.645385 × 10^6

Prime Factorization of 1645385

Prime Factorization 7 × 5 × 53 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1645385
Product of the distinct prime numbers

The prime factorization of 1645385 is 7 × 5 × 53 × 887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1645385)

Multiplication

n×y
n×2 3290770
n×3 4936155
n×4 6581540
n×5 8226925

Division

n÷y
n÷2 822692.5
n÷3 548461.66666667
n÷3 411346.25
n÷5 329077

Exponentiation

ny
n2 2707291798225
n3 4454537315422441625
n4 7.3294288807364E+24
n5 1.205973233893E+31

Nth Root

y√n
2√n 1282.7256136836
3√n 118.05630273012
4√n 35.815158992857
5√n 17.508684088419

Divisors of 1645385

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1645384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1645385 can be divided by 16 positive divisors. The sum of these divisors (counting 1645385) is 1, the average is 0.0625.

Base conversion 1645385

Base System Value
2 Binary 110010001101101001001
3 Ternary 10002121001012
4 Quaternary 12101231021
5 Quinary 410123020
6 Senary 55133305
8 Octal 6215511
10 Decimal 1645385
12 Duodecimal 674235
16 Hexadecimal 191b49
20 Vigesimal a5d95
36 Base36 z9l5

Cryptographic Hash Functions

md5 1cb83fd086813e3b8907667f72e240c1
sha1 834867b001629cf4909557aa4ec1f8e2be6ea2a4
sha256 0e9d4540bcc987b9d3e32221a1b8fbce5ad17d1cd201621c49e37a92dc028a61
sha512 4a317b04ba99d91a5af8dfc3f13b6f03721656ff15a4a8d8d379dbbac26d9934c8b8f6c5869a505e8506b1c06c98924f58c3e4aaba5cd59449fbf9e3e005cd66
ripemd-160 28b2e752943e4b98fa0688d683914b20076d16d9

1645385 as geometric shapes

Circle

Radius = n
Diameter 3290770
Circumference 10338258.856654
Area 8505208024427.6

Sphere

Radius = n
Volume 1.8659122273697E+19
Surface area 34020832097710
Circumference 10338258.856654

Square

Length = n
Perimeter 6581540
Area 2707291798225
Diagonal 2326925.7823253

Cube

Length = n
Surface area 16243750789350
Volume 4454537315422441625
Space diagonal 2849890.4180117

Equilateral Triangle

Length = n
Perimeter 4936155
Area 1172291736360.1
Altitude 1424945.2090059

Triangular Pyramid

Length = n
Surface area 1172291736360.1
Volume 5.2497225713062E+17
Height 775641.92744175