642261 (number)

642261 is an odd 6-digits composite number following 642260 and preceding 642262. In scientific notation, it is written as 6.42261 × 10^5. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 428172 positive integers (up to 642261) that are relatively prime to 642261.

Interesting facts

Basic properties

Name

Name six hundred forty-two thousand two hundred sixty-one

Notation

Scientific notation 6.42261 × 10^5
Engineering notation 6.42261 × 10^3

Prime Factorization of 642261

Prime Factorization 3 × 214087

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642261
Product of the distinct prime numbers

The prime factorization of 642261 is 3 × 214087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642261)

Multiplication

n×y
n×2 1284522
n×3 1926783
n×4 2569044
n×5 3211305

Division

n÷y
n÷2 321130.5
n÷3 214087
n÷3 160565.25
n÷5 128452.2

Exponentiation

ny
n2 412499192121
n3 264932143630825581
n4 1.7015558350048E+23
n5 1.092842952146E+29

Nth Root

y√n
2√n 801.41187912334
3√n 86.278751179361
4√n 28.309218977629
5√n 14.505820873493

Divisors of 642261

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 -642260
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 642261 can be divided by 4 positive divisors. The sum of these divisors (counting 642261) is 1, the average is 0.25.

Base conversion 642261

Base System Value
2 Binary 10011100110011010101
3 Ternary 1012122000110
4 Quaternary 2130303111
5 Quinary 131023021
6 Senary 21433233
8 Octal 2346325
10 Decimal 642261
12 Duodecimal 26b819
16 Hexadecimal 9ccd5
20 Vigesimal 405d1
36 Base36 drkl

Cryptographic Hash Functions

md5 25b2a030fd699187a5396440673649db
sha1 ea3c58f5c7dc02ea4efd86c7e955e855a171ead8
sha256 ca3d804352d251c35ce2f423ed73f0424e466bd165fa4d88a4025266266e29f2
sha512 25ca409ce81df20b887264102bbc654bdadf08a63f8bd4becc55bf9ad86ca28bfb7f590bc49340330a172b8f422f11523f462c33026baf8e4d2ddc253fcf79b7
ripemd-160 d4f16d216dddb7fd31086c15295390525314d2e7

642261 as geometric shapes

Circle

Radius = n
Diameter 1284522
Circumference 4035444.8785745
Area 1295904431579.1

Sphere

Radius = n
Volume 1.1097451681739E+18
Surface area 5183617726316.2
Circumference 4035444.8785745

Square

Length = n
Perimeter 2569044
Area 412499192121
Diagonal 908294.21678331

Cube

Length = n
Surface area 2474995152726
Volume 264932143630825581
Space diagonal 1112428.68372

Equilateral Triangle

Length = n
Perimeter 1926783
Area 178617389708.67
Altitude 556214.34186

Triangular Pyramid

Length = n
Surface area 178617389708.67
Volume 3.1222552552608E+16
Height 302764.73892777