71781408 (number)

71781408 is an even 8-digits composite number following 71781407 and preceding 71781409. In scientific notation, it is written as 7.1781408 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 72 positive divisors. There are 23413632 positive integers (up to 71781408) that are relatively prime to 71781408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1781408 × 10^7
Engineering notation 7.1781408 × 10^6

Prime Factorization of 71781408

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 3 × 47 × 5303

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1495446
Product of the distinct prime numbers

The prime factorization of 71781408 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 47 × 5303. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781408)

Multiplication

n×y
n×2 143562816
n×3 215344224
n×4 287125632
n×5 358907040

Division

n÷y
n÷2 35890704
n÷3 23927136
n÷3 17945352
n÷5 14356281.6

Exponentiation

ny
n2 5152570534462464
n3 3.6985876778303E+23
n4 2.6548983112611E+31
n5 1.9057233887914E+39

Nth Root

y√n
2√n 8472.3909258249
3√n 415.59532886344
4√n 92.045591561057
5√n 37.256529266838

Divisors of 71781408

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71781407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71781408 can be divided by 72 positive divisors. The sum of these divisors (counting 71781408) is 1, the average is 0.013888888888889.

Base conversion 71781408

Base System Value
2 Binary 100010001110100110000100000
3 Ternary 12000001212120200
4 Quaternary 10101310300200
5 Quinary 121334001113
6 Senary 11042305200
8 Octal 421646040
10 Decimal 71781408
12 Duodecimal 20058200
16 Hexadecimal 4474c20
20 Vigesimal 128cda8
36 Base36 16qiw0

Cryptographic Hash Functions

md5 efbc20dbfb93c390f9f4e1fd7f9b801e
sha1 259569a9257358e396549f5c7e3e7403096a36cc
sha256 eb20716830197f23b256b5f7f4df3f58e5aafbf4cb1af466e3ae35ff576ea410
sha512 181a1422d04786c5bc2d8928dba2e5f3359f41063da9b09a4a6430b9e2c43484fe443968cf589adf83c9bb92746bd1a1938771fb5286e62b2a9a498d411385c8
ripemd-160 5b187980d74e8ace8cb1a4e6064475eb40926617

71781408 as geometric shapes

Circle

Radius = n
Diameter 143562816
Circumference 451015888.07426
Area 1.6187277738171E+16

Sphere

Radius = n
Volume 1.5492607836439E+24
Surface area 6.4749110952682E+16
Circumference 451015888.07426

Square

Length = n
Perimeter 287125632
Area 5152570534462464
Diagonal 101514240.71984

Cube

Length = n
Surface area 30915423206774784
Volume 3.6985876778303E+23
Space diagonal 124329045.69483

Equilateral Triangle

Length = n
Perimeter 215344224
Area 2.2311284888178E+15
Altitude 62164522.847416

Triangular Pyramid

Length = n
Surface area 2.2311284888178E+15
Volume 4.358827379678E+22
Height 33838080.239946