71291728 (number)

71291728 is an even 8-digits composite number following 71291727 and preceding 71291729. In scientific notation, it is written as 7.1291728 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 35608320 positive integers (up to 71291728) that are relatively prime to 71291728.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred ninety-one thousand seven hundred twenty-eight

Notation

Scientific notation 7.1291728 × 10^7
Engineering notation 7.1291728 × 10^6

Prime Factorization of 71291728

Prime Factorization 2 × 2 × 2 × 2 × 1321 × 3373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8911466
Product of the distinct prime numbers

The prime factorization of 71291728 is 2 × 2 × 2 × 2 × 1321 × 3373. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 5, 14, 3, 144, 183, 2112, 8820, 577, 88990, 198060, 171931, 5199021, 5285887, 49139021, 2375627, 963648500, 141392042, 2501398600, 1441926277

Basic calculations (n = 71291728)

Multiplication

n×y
n×2 142583456
n×3 213875184
n×4 285166912
n×5 356458640

Division

n÷y
n÷2 35645864
n÷3 23763909.333333
n÷3 17822932
n÷5 14258345.6

Exponentiation

ny
n2 5082510481225984
n3 3.6234095478471E+23
n4 2.5831912791772E+31
n5 1.8416017004707E+39

Nth Root

y√n
2√n 8443.4428996707
3√n 414.64813257708
4√n 91.888208708575
5√n 37.205558507627

Divisors of 71291728

1, 2, 4, 8, 16, 1321, 2642, 3373, 5284, 6746, 10568, 13492, 21136, 26984, 53968, 4455733, 8911466, 17822932, 35645864, 71291728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71291727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71291728 can be divided by 20 positive divisors. The sum of these divisors (counting 71291728) is 1, the average is 0.05.

Base conversion 71291728

Base System Value
2 Binary 100001111111101001101010000
3 Ternary 11222010222212101
4 Quaternary 10033331031100
5 Quinary 121222313403
6 Senary 11024010144
8 Octal 417751520
10 Decimal 71291728
12 Duodecimal 1ba60954
16 Hexadecimal 43fd350
20 Vigesimal 125b968
36 Base36 16g11s

Cryptographic Hash Functions

md5 454ab6fa2e2c66888c29bd579b997580
sha1 a3adc67aafba96629879b25cebed49c8cf0f9993
sha256 0dc0f0520db15ee7049155e7828ee4392558651385ae7a4677eb455cef32d4f0
sha512 258b6780b26f370d683fb59c7fe7637066acd780f915644089aa1c5450349c852f92aad324786593a9c9ae1f0d6f4ba2c4b0573137248e49a244358f5aea5d79
ripemd-160 3a3de7c12463aea6d6b1bd6deab0cdaa2e199b14

71291728 as geometric shapes

Circle

Radius = n
Diameter 142583456
Circumference 447939137.89304
Area 1.5967177589613E+16

Sphere

Radius = n
Volume 1.5177702421951E+24
Surface area 6.3868710358451E+16
Circumference 447939137.89304

Square

Length = n
Perimeter 285166912
Area 5082510481225984
Diagonal 100821728.62261

Cube

Length = n
Surface area 30495062887355904
Volume 3.6234095478471E+23
Space diagonal 123480895.05538

Equilateral Triangle

Length = n
Perimeter 213875184
Area 2.2007915958712E+15
Altitude 61740447.52769

Triangular Pyramid

Length = n
Surface area 2.2007915958712E+15
Volume 4.2702291038313E+22
Height 33607242.874205