71781489 (number)

71781489 is an odd 8-digits composite number following 71781488 and preceding 71781490. In scientific notation, it is written as 7.1781489 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 43936992 positive integers (up to 71781489) that are relatively prime to 71781489.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand four hundred eighty-nine

Notation

Scientific notation 7.1781489 × 10^7
Engineering notation 7.1781489 × 10^6

Prime Factorization of 71781489

Prime Factorization 9 × 13 × 199 × 3083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71781489
Product of the distinct prime numbers

The prime factorization of 71781489 is 9 × 13 × 199 × 3083. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781489)

Multiplication

n×y
n×2 143562978
n×3 215344467
n×4 287125956
n×5 358907445

Division

n÷y
n÷2 35890744.5
n÷3 23927163
n÷3 17945372.25
n÷5 14356297.8

Exponentiation

ny
n2 5152582163057121
n3 3.6986001985908E+23
n4 2.6549102947054E+31
n5 1.9057341411539E+39

Nth Root

y√n
2√n 8472.3957060562
3√n 415.59548518623
4√n 92.045617527703
5√n 37.25653767508

Divisors of 71781489

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 -71781488
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 71781489 can be divided by 16 positive divisors. The sum of these divisors (counting 71781489) is 1, the average is 0.0625.

Base conversion 71781489

Base System Value
2 Binary 100010001110100110001110001
3 Ternary 12000001212200200
4 Quaternary 10101310301301
5 Quinary 121334001424
6 Senary 11042305413
8 Octal 421646161
10 Decimal 71781489
12 Duodecimal 20058269
16 Hexadecimal 4474c71
20 Vigesimal 128cde9
36 Base36 16qiy9

Cryptographic Hash Functions

md5 63efbfbb60b666520014c1a29205f474
sha1 1d3db0a969885355db0c5de005c23b79679f4f6b
sha256 3e43e907c0eb4773aae436f24cb594ca3233d364baa3cf68dff4f179b0877cf4
sha512 91e6ac028d9301470b6fda4bb01a0e85688af3c10b6658f5746cbfedcdfd4206da018bf805d666ae1f0a7679b91b8232c828ceee7b6768d3c826da4b71553011
ripemd-160 adec3813b62613aa09e78b66c0a8485dda7ebd3e

71781489 as geometric shapes

Circle

Radius = n
Diameter 143562978
Circumference 451016397.01227
Area 1.6187314270478E+16

Sphere

Radius = n
Volume 1.5492660283278E+24
Surface area 6.4749257081912E+16
Circumference 451016397.01227

Square

Length = n
Perimeter 287125956
Area 5152582163057121
Diagonal 101514355.27114

Cube

Length = n
Surface area 30915492978342726
Volume 3.6986001985908E+23
Space diagonal 124329185.99095

Equilateral Triangle

Length = n
Perimeter 215344467
Area 2.231133524147E+15
Altitude 62164592.995473

Triangular Pyramid

Length = n
Surface area 2.231133524147E+15
Volume 4.3588421355358E+22
Height 33838118.423712