291240638 (number)

291240638 is an even 9-digits composite number following 291240637 and preceding 291240639. In scientific notation, it is written as 2.91240638 × 10^8. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 131527296 positive integers (up to 291240638) that are relatively prime to 291240638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.91240638 × 10^8
Engineering notation 2.91240638 × 10^6

Prime Factorization of 291240638

Prime Factorization 2 × 13 × 22007 × 509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 291240638
Product of the distinct prime numbers

The prime factorization of 291240638 is 2 × 13 × 22007 × 509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 291240638)

Multiplication

n×y
n×2 582481276
n×3 873721914
n×4 1164962552
n×5 1456203190

Division

n÷y
n÷2 145620319
n÷3 97080212.666667
n÷3 72810159.5
n÷5 58248127.6

Exponentiation

ny
n2 84821109222647044
n3 2.4703353965871E+25
n4 7.1946205697602E+33
n5 2.0953658849049E+42

Nth Root

y√n
2√n 17065.773876388
3√n 662.85315017713
4√n 130.63603590276
5√n 49.300394528559

Divisors of 291240638

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 -291240637
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 291240638 can be divided by 16 positive divisors. The sum of these divisors (counting 291240638) is 1, the average is 0.0625.

Base conversion 291240638

Base System Value
2 Binary 10001010110111111101010111110
3 Ternary 202022000120001022
4 Quaternary 101112333222332
5 Quinary 1044024200023
6 Senary 44522144142
8 Octal 2126775276
10 Decimal 291240638
12 Duodecimal 81652052
16 Hexadecimal 115bfabe
20 Vigesimal 4b051bi
36 Base36 4teapq

Cryptographic Hash Functions

md5 423773dca64a898914188fb0c48a1afc
sha1 ce4d4cf4ebc06dab1bf0fbb9822997368c40a452
sha256 a973723066078eb10ed691352ef40ad531c6afb983478b9ee76c0fbbd307f0a7
sha512 3792f956ec34c596678b87c93bd8537f03e196358a159967f1f87d1b4355d5f7fd7869d11e8d0e028ad993ff3bafb6b0575a4c37b4222e16d6deea907a3bce68
ripemd-160 79acdea3742f04ed28acf0da1cfa03fe353659b7

291240638 as geometric shapes

Circle

Radius = n
Diameter 582481276
Circumference 1829918897.5352
Area 2.6647337360321E+17

Sphere

Radius = n
Volume 1.0347716711761E+26
Surface area 1.0658934944128E+18
Circumference 1829918897.5352

Square

Length = n
Perimeter 1164962552
Area 84821109222647044
Diagonal 411876460.17379

Cube

Length = n
Surface area 508926655335882264
Volume 2.4703353965871E+25
Space diagonal 504443582.24477

Equilateral Triangle

Length = n
Perimeter 873721914
Area 3.6728617681993E+16
Altitude 252221791.12239

Triangular Pyramid

Length = n
Surface area 3.6728617681993E+16
Volume 2.9113181845532E+24
Height 137292153.39126