644080 (number)

644080 is an even 6-digits composite number following 644079 and preceding 644081. In scientific notation, it is written as 6.44080 × 10^5. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 251904 positive integers (up to 644080) that are relatively prime to 644080.

Interesting facts

Basic properties

Name

Name six hundred forty-four thousand eighty

Notation

Scientific notation 6.44080 × 10^5
Engineering notation 6.44080 × 10^3

Prime Factorization of 644080

Prime Factorization 2 × 2 × 2 × 2 × 5 × 97 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 80510
Product of the distinct prime numbers

The prime factorization of 644080 is 2 × 2 × 2 × 2 × 5 × 97 × 83. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 644080)

Multiplication

n×y
n×2 1288160
n×3 1932240
n×4 2576320
n×5 3220400

Division

n÷y
n÷2 322040
n÷3 214693.33333333
n÷3 161020
n÷5 128816

Exponentiation

ny
n2 414839046400
n3 267189533005312000
n4 1.7209143441806E+23
n5 1.1084065107998E+29

Nth Root

y√n
2√n 802.54594884031
3√n 86.360126777553
4√n 28.329241939034
5√n 14.514028205647

Divisors of 644080

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -644079
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 644080 can be divided by 40 positive divisors. The sum of these divisors (counting 644080) is 1, the average is 0.025.

Base conversion 644080

Base System Value
2 Binary 10011101001111110000
3 Ternary 1012201111211
4 Quaternary 2131033300
5 Quinary 131102310
6 Senary 21445504
8 Octal 2351760
10 Decimal 644080
12 Duodecimal 270894
16 Hexadecimal 9d3f0
20 Vigesimal 40a40
36 Base36 dsz4

Cryptographic Hash Functions

md5 a118deea7a33c168a3084e4202bd10ab
sha1 a878f034b574f066d3eeae69a3b08d1abd6583d4
sha256 aec7db6b7a64d78eef6f20a46ccce60df839114eb84fb753d61be5c885a5491b
sha512 3bdf588134b71d7cee6d363f4862aa62c22f490bfdb1dbd0e5d56379c04ea1b38b5f44a16013b0046448770d118ec6d488654880a2ea25de40e282b30644bf16
ripemd-160 95ce31b8bb6bcc9f5cbde9b8ac82fce08fbd2f10

644080 as geometric shapes

Circle

Radius = n
Diameter 1288160
Circumference 4046873.9926482
Area 1303255300592.4

Sphere

Radius = n
Volume 1.1192008986741E+18
Surface area 5213021202369.7
Circumference 4046873.9926482

Square

Length = n
Perimeter 2576320
Area 414839046400
Diagonal 910866.67125326

Cube

Length = n
Surface area 2489034278400
Volume 267189533005312000
Space diagonal 1115579.284139

Equilateral Triangle

Length = n
Perimeter 1932240
Area 179630576332.06
Altitude 557789.64206948

Triangular Pyramid

Length = n
Surface area 179630576332.06
Volume 3.1488588441687E+16
Height 303622.22375109