643485 (number)

643485 is an odd 6-digits composite number following 643484 and preceding 643486. In scientific notation, it is written as 6.43485 × 10^5. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 343184 positive integers (up to 643485) that are relatively prime to 643485.

Interesting facts

Basic properties

Name

Name six hundred forty-three thousand four hundred eighty-five

Notation

Scientific notation 6.43485 × 10^5
Engineering notation 6.43485 × 10^3

Prime Factorization of 643485

Prime Factorization 15 × 42899

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 643485
Product of the distinct prime numbers

The prime factorization of 643485 is 15 × 42899. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 643485)

Multiplication

n×y
n×2 1286970
n×3 1930455
n×4 2573940
n×5 3217425

Division

n÷y
n÷2 321742.5
n÷3 214495
n÷3 160871.25
n÷5 128697

Exponentiation

ny
n2 414072945225
n3 266449729158109125
n4 1.7145640396731E+23
n5 1.103296241069E+29

Nth Root

y√n
2√n 802.17516790287
3√n 86.333525472094
4√n 28.322697045
5√n 14.511345607316

Divisors of 643485

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 -643484
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 643485 can be divided by 4 positive divisors. The sum of these divisors (counting 643485) is 1, the average is 0.25.

Base conversion 643485

Base System Value
2 Binary 10011101000110011101
3 Ternary 1012200200210
4 Quaternary 2131012131
5 Quinary 131042420
6 Senary 21443033
8 Octal 2350635
10 Decimal 643485
12 Duodecimal 270479
16 Hexadecimal 9d19d
20 Vigesimal 408e5
36 Base36 dsil

Cryptographic Hash Functions

md5 ad603653e0401f301ae7eed7cfd1eb32
sha1 4b3ff7ede0cc6172289177e0d84fd99a35252e58
sha256 e4df83ce67372b9f79b442592073122e15519f1d99c12e85c3709fd731e11f2f
sha512 42246fbce6bc4ab873c6545cdae2a9309f497a938db326f8dd9132486d895ef6b523bc3bf768545316f883f43195a0876f805778ded907463b580db1e343f56f
ripemd-160 8a33eb306a4ad7ca4400cc54c36ef751a37945ca

643485 as geometric shapes

Circle

Radius = n
Diameter 1286970
Circumference 4043135.4973905
Area 1300848522769.1

Sphere

Radius = n
Volume 1.1161020155655E+18
Surface area 5203394091076.6
Circumference 4043135.4973905

Square

Length = n
Perimeter 2573940
Area 414072945225
Diagonal 910025.21418365

Cube

Length = n
Surface area 2484437671350
Volume 266449729158109125
Space diagonal 1114548.7139085

Equilateral Triangle

Length = n
Perimeter 1930455
Area 179298844792.35
Altitude 557274.35695423

Triangular Pyramid

Length = n
Surface area 179298844792.35
Volume 3.140140172217E+16
Height 303341.73806122