71991486 (number)

71991486 is an even 8-digits composite number following 71991485 and preceding 71991487. In scientific notation, it is written as 7.1991486 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 19897920 positive integers (up to 71991486) that are relatively prime to 71991486.

Interesting facts

Basic properties

Name

Name seventy-one million nine hundred ninety-one thousand four hundred eighty-six

Notation

Scientific notation 7.1991486 × 10^7
Engineering notation 7.1991486 × 10^6

Prime Factorization of 71991486

Prime Factorization 2 × 9 × 217 × 7 × 2633

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71991486
Product of the distinct prime numbers

The prime factorization of 71991486 is 2 × 9 × 217 × 7 × 2633. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71991486)

Multiplication

n×y
n×2 143982972
n×3 215974458
n×4 287965944
n×5 359957430

Division

n÷y
n÷2 35995743
n÷3 23997162
n÷3 17997871.5
n÷5 14398297.2

Exponentiation

ny
n2 5182774056488196
n3 3.7311560592883E+23
n4 2.6861146920607E+31
n5 1.9337738824788E+39

Nth Root

y√n
2√n 8484.7796671452
3√n 416.00036596985
4√n 92.112863744133
5√n 37.2783110373

Divisors of 71991486

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71991485
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71991486 can be divided by 32 positive divisors. The sum of these divisors (counting 71991486) is 1, the average is 0.03125.

Base conversion 71991486

Base System Value
2 Binary 100010010101000000010111110
3 Ternary 12000110112202100
4 Quaternary 10102220002332
5 Quinary 121412211421
6 Senary 11051005530
8 Octal 422500276
10 Decimal 71991486
12 Duodecimal 201398a6
16 Hexadecimal 44a80be
20 Vigesimal 129iie6
36 Base36 16v0zi

Cryptographic Hash Functions

md5 2613c5958ab86bfe98e8bbb19e0132b9
sha1 39fb665229bb01ce22511063c16aa8944f2af9e1
sha256 4a42c06de519395e86365676677ed77de8676f756842d61eb8db07b105fdace4
sha512 49cdc935d6c3e9b1694705e980cb91b8b1c8baf5cb341553be2267f4e58108e0fbffb21a8e4c9b12807a4cd8af3359f76d02d5f37d4304be6f79ba74f1f5fdd6
ripemd-160 7951efdd3351f764e4328b2498a9104d7663f7ef

71991486 as geometric shapes

Circle

Radius = n
Diameter 143982972
Circumference 452335847.07722
Area 1.6282164901079E+16

Sphere

Radius = n
Volume 1.5629029953676E+24
Surface area 6.5128659604316E+16
Circumference 452335847.07722

Square

Length = n
Perimeter 287965944
Area 5182774056488196
Diagonal 101811335.87659

Cube

Length = n
Surface area 31096644338929176
Volume 3.7311560592883E+23
Space diagonal 124692911.46438

Equilateral Triangle

Length = n
Perimeter 215974458
Area 2.2442069974969E+15
Altitude 62346455.732192

Triangular Pyramid

Length = n
Surface area 2.2442069974969E+15
Volume 4.3972095853134E+22
Height 33937111.958864