71291781 (number)

71291781 is an odd 8-digits composite number following 71291780 and preceding 71291782. In scientific notation, it is written as 7.1291781 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 40500000 positive integers (up to 71291781) that are relatively prime to 71291781.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred ninety-one thousand seven hundred eighty-one

Notation

Scientific notation 7.1291781 × 10^7
Engineering notation 7.1291781 × 10^6

Prime Factorization of 71291781

Prime Factorization 99 × 19 × 151 × 251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71291781
Product of the distinct prime numbers

The prime factorization of 71291781 is 99 × 19 × 151 × 251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 99, 86, 452, 356, 176, 6404, 88923, 94599, 999360, 236709, 2796294, 8144068, 2860934, 56149891, 360326883, 915787180, 4322111873, 5682425812

Basic calculations (n = 71291781)

Multiplication

n×y
n×2 142583562
n×3 213875343
n×4 285167124
n×5 356458905

Division

n÷y
n÷2 35645890.5
n÷3 23763927
n÷3 17822945.25
n÷5 14258356.2

Exponentiation

ny
n2 5082518038151961
n3 3.6234176290448E+23
n4 2.583198960814E+31
n5 1.8416085459378E+39

Nth Root

y√n
2√n 8443.4460382003
3√n 414.64823533022
4√n 91.888225786552
5√n 37.205564039528

Divisors of 71291781

1, 19, 99, 151, 251, 1881, 2869, 4769, 14949, 24849, 37901, 284031, 472131, 720119, 3752199, 71291781

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 -71291780
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 71291781 can be divided by 16 positive divisors. The sum of these divisors (counting 71291781) is 1, the average is 0.0625.

Base conversion 71291781

Base System Value
2 Binary 100001111111101001110000101
3 Ternary 11222010222221100
4 Quaternary 10033331032011
5 Quinary 121222314111
6 Senary 11024010313
8 Octal 417751605
10 Decimal 71291781
12 Duodecimal 1ba60999
16 Hexadecimal 43fd385
20 Vigesimal 125b991
36 Base36 16g139

Cryptographic Hash Functions

md5 7da89147f453f867f43081ddb3ccc2ea
sha1 fd4a1fb774a241bdf4c619bc4163396e0fc6c193
sha256 304943918761aa9afd8c95d5c3af7ad002726fb3a2b6b6af854a06e8b207158f
sha512 90e1c67874980e49bb32820f0c7952bc8feb2b805874854c168e76a95fdbf4b33390c6e959e3713ce1ffa5e78b009f275d09e33e3c9fcb1531a15a2b358037c2
ripemd-160 f9b0363675c9afe028af69b9588e2324dea14448

71291781 as geometric shapes

Circle

Radius = n
Diameter 142583562
Circumference 447939470.90186
Area 1.5967201330396E+16

Sphere

Radius = n
Volume 1.5177736272393E+24
Surface area 6.3868805321583E+16
Circumference 447939470.90186

Square

Length = n
Perimeter 285167124
Area 5082518038151961
Diagonal 100821803.57593

Cube

Length = n
Surface area 30495108228911766
Volume 3.6234176290448E+23
Space diagonal 123480986.85407

Equilateral Triangle

Length = n
Perimeter 213875343
Area 2.2007948681161E+15
Altitude 61740493.427037

Triangular Pyramid

Length = n
Surface area 2.2007948681161E+15
Volume 4.2702386276141E+22
Height 33607267.858644