71388928 (number)

71388928 is an even 8-digits composite number following 71388927 and preceding 71388929. In scientific notation, it is written as 7.1388928 × 10^7. The sum of its digits is 46. It has a total of 11 prime factors and 72 positive divisors. There are 31186944 positive integers (up to 71388928) that are relatively prime to 71388928.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand nine hundred twenty-eight

Notation

Scientific notation 7.1388928 × 10^7
Engineering notation 7.1388928 × 10^6

Prime Factorization of 71388928

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 1129

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 557726
Product of the distinct prime numbers

The prime factorization of 71388928 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 1129. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388928)

Multiplication

n×y
n×2 142777856
n×3 214166784
n×4 285555712
n×5 356944640

Division

n÷y
n÷2 35694464
n÷3 23796309.333333
n÷3 17847232
n÷5 14277785.6

Exponentiation

ny
n2 5096379040989184
n3 3.6382503641789E+23
n4 2.5973079329434E+31
n5 1.8541902901872E+39

Nth Root

y√n
2√n 8449.1968849116
3√n 414.83649241715
4√n 91.919513080257
5√n 37.215698280511

Divisors of 71388928

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 -71388927
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 71388928 can be divided by 72 positive divisors. The sum of these divisors (counting 71388928) is 1, the average is 0.013888888888889.

Base conversion 71388928

Base System Value
2 Binary 100010000010100111100000000
3 Ternary 11222022221012101
4 Quaternary 10100110330000
5 Quinary 121233421203
6 Senary 11030040144
8 Octal 420247400
10 Decimal 71388928
12 Duodecimal 1baa9054
16 Hexadecimal 4414f00
20 Vigesimal 1263c68
36 Base36 16i41s

Cryptographic Hash Functions

md5 27c5834fe5eac9872a0d38fca6f8527f
sha1 d7b6cd1eae4090d726e72cdfde5f697038a01f5d
sha256 30c522a3e4d6ef9f4bf88ae50ecd2daf11575cd828c7edcdb3a5e7b67c082ae8
sha512 bc061904ebaebefed739a139aa1a839f4b7ae1efe24ea22fd951f1b18bf192604c2a5ade64fb4ef7058d4dce681c899d52221ec1dd9cc5ad15c405dd47972e20
ripemd-160 6ccb5c547ec3268213b4e4844a63e1e52cb29b5e

71388928 as geometric shapes

Circle

Radius = n
Diameter 142777856
Circumference 448549863.5049
Area 1.6010746955081E+16

Sphere

Radius = n
Volume 1.5239867488033E+24
Surface area 6.4042987820322E+16
Circumference 448549863.5049

Square

Length = n
Perimeter 285555712
Area 5096379040989184
Diagonal 100959190.18088

Cube

Length = n
Surface area 30578274245935104
Volume 3.6382503641789E+23
Space diagonal 123649250.39388

Equilateral Triangle

Length = n
Perimeter 214166784
Area 2.2067968584056E+15
Altitude 61824625.196938

Triangular Pyramid

Length = n
Surface area 2.2067968584056E+15
Volume 4.2877191736088E+22
Height 33653063.393625