71287639 (number)

71287639 is an odd 8-digits composite number following 71287638 and preceding 71287640. In scientific notation, it is written as 7.1287639 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 65831616 positive integers (up to 71287639) that are relatively prime to 71287639.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred eighty-seven thousand six hundred thirty-nine

Notation

Scientific notation 7.1287639 × 10^7
Engineering notation 7.1287639 × 10^6

Prime Factorization of 71287639

Prime Factorization 103 × 19 × 73 × 499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71287639
Product of the distinct prime numbers

The prime factorization of 71287639 is 103 × 19 × 73 × 499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 55, 15, 449, 193, 5278, 4413, 34767, 2227, 853185, 831265, 7149558, 4901847, 7325016, 23939378, 555158348, 386288697, 4797253633, 8451720746

Basic calculations (n = 71287639)

Multiplication

n×y
n×2 142575278
n×3 213862917
n×4 285150556
n×5 356438195

Division

n÷y
n÷2 35643819.5
n÷3 23762546.333333
n÷3 17821909.75
n÷5 14257527.8

Exponentiation

ny
n2 5081927474194321
n3 3.6227861120455E+23
n4 2.5825986852971E+31
n5 1.8410736275933E+39

Nth Root

y√n
2√n 8443.2007556376
3√n 414.64020492227
4√n 91.886891097902
5√n 37.205131706304

Divisors of 71287639

1, 19, 73, 103, 499, 1387, 1957, 7519, 9481, 36427, 51397, 142861, 692113, 976543, 3751981, 71287639

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71287638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71287639 can be divided by 16 positive divisors. The sum of these divisors (counting 71287639) is 1, the average is 0.0625.

Base conversion 71287639

Base System Value
2 Binary 100001111111100001101010111
3 Ternary 11222010210020221
4 Quaternary 10033330031113
5 Quinary 121222201024
6 Senary 11023535211
8 Octal 417741527
10 Decimal 71287639
12 Duodecimal 1ba5a507
16 Hexadecimal 43fc357
20 Vigesimal 125aj1j
36 Base36 16fxw7

Cryptographic Hash Functions

md5 926db8c0e7a3d4e03c4eb20d395a28b3
sha1 6ef3309fa1ae71606c7fde6e2ae25484163d7ff5
sha256 733b69b20b1d504c25f05a005eea3d69e9dd163df2cf4c793fe41ef4ddc087e3
sha512 f9f8eafca369ce37948694b2aa0e9329d9eb726ee9b02f8d3cbed417e9688304ba5d6cad11ab6bef1eb783f563696cb4dd01bc47b114b7ff501dc368f325357f
ripemd-160 7be4619ebb560430fd85c6ea3ca6bdab85a425b3

71287639 as geometric shapes

Circle

Radius = n
Diameter 142575278
Circumference 447913445.94832
Area 1.5965346019005E+16

Sphere

Radius = n
Volume 1.5175090980172E+24
Surface area 6.386138407602E+16
Circumference 447913445.94832

Square

Length = n
Perimeter 285150556
Area 5081927474194321
Diagonal 100815945.90336

Cube

Length = n
Surface area 30491564845165926
Volume 3.6227861120455E+23
Space diagonal 123473812.69963

Equilateral Triangle

Length = n
Perimeter 213862917
Area 2.2005391464212E+15
Altitude 61736906.349814

Triangular Pyramid

Length = n
Surface area 2.2005391464212E+15
Volume 4.269494377693E+22
Height 33605315.301119