642648138 (number)

642648138 is an even 9-digits composite number following 642648137 and preceding 642648139. In scientific notation, it is written as 6.42648138 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 194741840 positive integers (up to 642648138) that are relatively prime to 642648138.

Interesting facts

Basic properties

Name

Name six hundred forty-two million six hundred forty-eight thousand one hundred thirty-eight

Notation

Scientific notation 6.42648138 × 10^8
Engineering notation 6.42648138 × 10^6

Prime Factorization of 642648138

Prime Factorization 2 × 3 × 11 × 9737093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642648138
Product of the distinct prime numbers

The prime factorization of 642648138 is 2 × 3 × 11 × 9737093. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642648138)

Multiplication

n×y
n×2 1285296276
n×3 1927944414
n×4 2570592552
n×5 3213240690

Division

n÷y
n÷2 321324069
n÷3 214216046
n÷3 160662034.5
n÷5 128529627.6

Exponentiation

ny
n2 412996629274867044
n3 2.6541151480377E+26
n4 1.705662157924E+35
n5 1.0961406098469E+44

Nth Root

y√n
2√n 25350.50567543
3√n 862.96083216327
4√n 159.21842128168
5√n 57.755673247432

Divisors of 642648138

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 -642648137
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 642648138 can be divided by 16 positive divisors. The sum of these divisors (counting 642648138) is 1, the average is 0.0625.

Base conversion 642648138

Base System Value
2 Binary 100110010011100000100001001010
3 Ternary 1122210020220111220
4 Quaternary 212103200201022
5 Quinary 2304004220023
6 Senary 143434102510
8 Octal 4623404112
10 Decimal 642648138
12 Duodecimal 15b27aa36
16 Hexadecimal 264e084a
20 Vigesimal a0gb06i
36 Base36 amm6h6

Cryptographic Hash Functions

md5 21dbb0fcb8056e7358db1bcea24be36e
sha1 837f3a4b623e642129775c561cbd1b08bd954cb0
sha256 a2ccfc1a3c98fee217fa193bca06b930bb4aa80f8055e747ac914512987a49fd
sha512 b122d4ae9e2675ea03eb40b45504cbab388b8b70ae4f3fab26f592b287ea75b4ecdad993b98338ec806a3ca5256bf1fb67fbb03296f25a89a90efcdb6adbba84
ripemd-160 e5e779e6f2e428d6fa29e2082cbf3dc1c284727d

642648138 as geometric shapes

Circle

Radius = n
Diameter 1285296276
Circumference 4037877338.3679
Area 1.2974671764873E+18

Sphere

Radius = n
Volume 1.1117531534475E+27
Surface area 5.1898687059491E+18
Circumference 4037877338.3679

Square

Length = n
Perimeter 2570592552
Area 412996629274867044
Diagonal 908841712.59342

Cube

Length = n
Surface area 2477979775649202264
Volume 2.6541151480377E+26
Space diagonal 1113099226.4055

Equilateral Triangle

Length = n
Perimeter 1927944414
Area 1.7883278631469E+17
Altitude 556549613.20277

Triangular Pyramid

Length = n
Surface area 1.7883278631469E+17
Volume 3.1279046987123E+25
Height 302947237.53114