71391808 (number)

71391808 is an even 8-digits composite number following 71391807 and preceding 71391809. In scientific notation, it is written as 7.1391808 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 14 positive divisors. There are 35695872 positive integers (up to 71391808) that are relatively prime to 71391808.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-one thousand eight hundred eight

Notation

Scientific notation 7.1391808 × 10^7
Engineering notation 7.1391808 × 10^6

Prime Factorization of 71391808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 1115497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2230994
Product of the distinct prime numbers

The prime factorization of 71391808 is 2 × 2 × 2 × 2 × 2 × 2 × 1115497. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71391808)

Multiplication

n×y
n×2 142783616
n×3 214175424
n×4 285567232
n×5 356959040

Division

n÷y
n÷2 35695904
n÷3 23797269.333333
n÷3 17847952
n÷5 14278361.6

Exponentiation

ny
n2 5096790249508864
n3 3.6386907090921E+23
n4 2.5977270847489E+31
n5 1.8545643327079E+39

Nth Root

y√n
2√n 8449.3673135922
3√n 414.84207084071
4√n 91.920440129452
5√n 37.215998549711

Divisors of 71391808

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71391807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71391808 can be divided by 14 positive divisors. The sum of these divisors (counting 71391808) is 1, the average is 0.071428571428571.

Base conversion 71391808

Base System Value
2 Binary 100010000010101101001000000
3 Ternary 11222100002011001
4 Quaternary 10100111221000
5 Quinary 121234014213
6 Senary 11030101344
8 Octal 420255100
10 Decimal 71391808
12 Duodecimal 1baaa854
16 Hexadecimal 4415a40
20 Vigesimal 1263ja8
36 Base36 16i69s

Cryptographic Hash Functions

md5 84538e783dca87d79e62bfa12220b08b
sha1 1329477f093aca8a7d9b67db525eae99265b83b9
sha256 c96d04b1dafff28a0b473e1dc51fc4417c416ef9f3c0c217a17384d08e8a1e82
sha512 00e12cc9d4751b75f56e7a2f5e8b8bb69efac6b321629892498dc8888ba9785f28d0366fdc9d7651e675499c6b197a412c6ba6d3c1476c3085c6718e484c9eef
ripemd-160 3b5aa82acdf798d47dd575d47bce0917174cb9ea

71391808 as geometric shapes

Circle

Radius = n
Diameter 142783616
Circumference 448567959.07859
Area 1.6012038804745E+16

Sphere

Radius = n
Volume 1.5241712000492E+24
Surface area 6.4048155218981E+16
Circumference 448567959.07859

Square

Length = n
Perimeter 285567232
Area 5096790249508864
Diagonal 100963263.11594

Cube

Length = n
Surface area 30580741497053184
Volume 3.6386907090921E+23
Space diagonal 123654238.7002

Equilateral Triangle

Length = n
Perimeter 214175424
Area 2.2069749169178E+15
Altitude 61827119.350101

Triangular Pyramid

Length = n
Surface area 2.2069749169178E+15
Volume 4.2882381250658E+22
Height 33654421.038645