642498081 (number)

642498081 is an odd 9-digits composite number following 642498080 and preceding 642498082. In scientific notation, it is written as 6.42498081 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 416755440 positive integers (up to 642498081) that are relatively prime to 642498081.

Interesting facts

Basic properties

Name

Name six hundred forty-two million four hundred ninety-eight thousand eighty-one

Notation

Scientific notation 6.42498081 × 10^8
Engineering notation 6.42498081 × 10^6

Prime Factorization of 642498081

Prime Factorization 3 × 37 × 5788271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642498081
Product of the distinct prime numbers

The prime factorization of 642498081 is 3 × 37 × 5788271. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642498081)

Multiplication

n×y
n×2 1284996162
n×3 1927494243
n×4 2569992324
n×5 3212490405

Division

n÷y
n÷2 321249040.5
n÷3 214166027
n÷3 160624520.25
n÷5 128499616.2

Exponentiation

ny
n2 412803784088682561
n3 2.6522563910652E+26
n4 1.7040696415794E+35
n5 1.0948614746051E+44

Nth Root

y√n
2√n 25347.545857538
3√n 862.89366041664
4√n 159.20912617541
5√n 57.752975829633

Divisors of 642498081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642498080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642498081 can be divided by 8 positive divisors. The sum of these divisors (counting 642498081) is 1, the average is 0.125.

Base conversion 642498081

Base System Value
2 Binary 100110010010111011111000100001
3 Ternary 1122202222021200020
4 Quaternary 212102323320201
5 Quinary 2303434414311
6 Senary 143430544053
8 Octal 4622737041
10 Decimal 642498081
12 Duodecimal 15b208029
16 Hexadecimal 264bbe21
20 Vigesimal a0fc541
36 Base36 amiyox

Cryptographic Hash Functions

md5 01d3aea0c7b417efbd38e8f04f2cd3c2
sha1 43656f74db86059ad8daee8e189eedf7cf3caee4
sha256 10f656ae6e1d440d47e41048aa28bdedd52092bf5312b309af1010ed38a50e9f
sha512 1f4770a522a0577ea326abc11c26f5aab151690d626b0b6232019ed478a58ad6bc806e3d1944d2d8f9bf2613f9051c2387a2d72b5d24f1639e988f95b25f2519
ripemd-160 c335888819d67991683c3768b338e138d62d3c16

642498081 as geometric shapes

Circle

Radius = n
Diameter 1284996162
Circumference 4036934502.4303
Area 1.2968613354671E+18

Sphere

Radius = n
Volume 1.1109745591476E+27
Surface area 5.1874453418683E+18
Circumference 4036934502.4303

Square

Length = n
Perimeter 2569992324
Area 412803784088682561
Diagonal 908629499.94889

Cube

Length = n
Surface area 2476822704532095366
Volume 2.6522563910652E+26
Space diagonal 1112839320.0575

Equilateral Triangle

Length = n
Perimeter 1927494243
Area 1.7874928189957E+17
Altitude 556419660.02875

Triangular Pyramid

Length = n
Surface area 1.7874928189957E+17
Volume 3.1257141326126E+25
Height 302876499.98296