642749911 (number)

642749911 is an odd 9-digits composite number following 642749910 and preceding 642749912. In scientific notation, it is written as 6.42749911 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 642637672 positive integers (up to 642749911) that are relatively prime to 642749911.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred forty-nine thousand nine hundred eleven

Notation

Scientific notation 6.42749911 × 10^8
Engineering notation 6.42749911 × 10^6

Prime Factorization of 642749911

Prime Factorization 6053 × 106187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642749911
Product of the distinct prime numbers

The prime factorization of 642749911 is 6053 × 106187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 23, 15, 639, 411, 4621, 5137, 36107, 98137, 195495, 760824, 7802102, 4652042, 16711855, 86168887, 503939810, 965782544, 9795086092, 7025378432

Basic calculations (n = 642749911)

Multiplication

n×y
n×2 1285499822
n×3 1928249733
n×4 2570999644
n×5 3213749555

Division

n÷y
n÷2 321374955.5
n÷3 214249970.33333
n÷3 160687477.75
n÷5 128549982.2

Exponentiation

ny
n2 413127448090507921
n3 2.6553763049183E+26
n4 1.7067428836578E+35
n5 1.0970088365709E+44

Nth Root

y√n
2√n 25352.512912924
3√n 863.00638403518
4√n 159.22472456539
5√n 57.7575024275

Divisors of 642749911

1, 6053, 106187, 642749911

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 -642749910
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 642749911 can be divided by 4 positive divisors. The sum of these divisors (counting 642749911) is 1, the average is 0.25.

Base conversion 642749911

Base System Value
2 Binary 100110010011111001010111010111
3 Ternary 1122210110002010021
4 Quaternary 212103321113113
5 Quinary 2304020444121
6 Senary 143440210011
8 Octal 4623712727
10 Decimal 642749911
12 Duodecimal 15b309907
16 Hexadecimal 264f95d7
20 Vigesimal a0h3efb
36 Base36 amod07

Cryptographic Hash Functions

md5 a686ec3f1287426f2af48e6561758647
sha1 6c1ad442efdad24c13fb213a0f97a4148951d5ee
sha256 efee4c474bdaf906cc8beec6a894cfa38d0c533ae6a3bda5efaecaf1178bf643
sha512 ce71540161f2963157c788f2bc793a35b3765700f1f78cf5ee0fd92ab360dd384017f8e799b8706862ff5c66c3f4dcc82dfa766911f07b30bc0cc3eb6366d4be
ripemd-160 f88479c2d389e1cdcb30ae47ca83190ebfe12adc

642749911 as geometric shapes

Circle

Radius = n
Diameter 1285499822
Circumference 4038516796.9862
Area 1.2978781559174E+18

Sphere

Radius = n
Volume 1.1122814256064E+27
Surface area 5.1915126236698E+18
Circumference 4038516796.9862

Square

Length = n
Perimeter 2570999644
Area 413127448090507921
Diagonal 908985641.3503

Cube

Length = n
Surface area 2478764688543047526
Volume 2.6553763049183E+26
Space diagonal 1113275502.4124

Equilateral Triangle

Length = n
Perimeter 1928249733
Area 1.7888943252351E+17
Altitude 556637751.20619

Triangular Pyramid

Length = n
Surface area 1.7888943252351E+17
Volume 3.1293909863497E+25
Height 302995213.78343