71388581 (number)

71388581 is an odd 8-digits composite number following 71388580 and preceding 71388582. In scientific notation, it is written as 7.1388581 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 63663600 positive integers (up to 71388581) that are relatively prime to 71388581.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand five hundred eighty-one

Notation

Scientific notation 7.1388581 × 10^7
Engineering notation 7.1388581 × 10^6

Prime Factorization of 71388581

Prime Factorization 11 × 107 × 463 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71388581
Product of the distinct prime numbers

The prime factorization of 71388581 is 11 × 107 × 463 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 50, 5, 401, 643, 6844, 5472, 96495, 35670, 998341, 246339, 6256303, 2877587, 52617654, 50311845, 264756547, 229421448, 3142219743, 3216695319

Basic calculations (n = 71388581)

Multiplication

n×y
n×2 142777162
n×3 214165743
n×4 285554324
n×5 356942905

Division

n÷y
n÷2 35694290.5
n÷3 23796193.666667
n÷3 17847145.25
n÷5 14277716.2

Exponentiation

ny
n2 5096329497193561
n3 3.6381973111309E+23
n4 2.5972574343965E+31
n5 1.8541452273327E+39

Nth Root

y√n
2√n 8449.1763503906
3√n 414.83582028447
4√n 91.919401381812
5√n 37.215662101589

Divisors of 71388581

1, 11, 107, 131, 463, 1177, 1441, 5093, 14017, 49541, 60653, 154187, 544951, 667183, 6489871, 71388581

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 -71388580
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 71388581 can be divided by 16 positive divisors. The sum of these divisors (counting 71388581) is 1, the average is 0.0625.

Base conversion 71388581

Base System Value
2 Binary 100010000010100110110100101
3 Ternary 11222022220201112
4 Quaternary 10100110312211
5 Quinary 121233413311
6 Senary 11030034405
8 Octal 420246645
10 Decimal 71388581
12 Duodecimal 1baa8a05
16 Hexadecimal 4414da5
20 Vigesimal 1263b91
36 Base36 16i3s5

Cryptographic Hash Functions

md5 a2b048140ba6fc96006b014d4f95130d
sha1 84fdfc4b62215f45f73e66db0bb6ffebeeaec088
sha256 8e5d768ec3335f4d641d1327b985d1def5779761b4887c7098b5965edfeb563c
sha512 72fa5bdec11e2363800fa42f51202dc7d13e2b11d5eb7ac5ada746a69f4f70e84f2bb5854c97faf7782dbe1a39772ed1e66cd2c79cb6a9c05e2d7bce15976722
ripemd-160 8eb3fe3f0ae403d871d8f3c1d2afe5ba69c33e56

71388581 as geometric shapes

Circle

Radius = n
Diameter 142777162
Circumference 448547683.2396
Area 1.6010591308656E+16

Sphere

Radius = n
Volume 1.5239645259945E+24
Surface area 6.4042365234625E+16
Circumference 448547683.2396

Square

Length = n
Perimeter 285554324
Area 5096329497193561
Diagonal 100958699.44877

Cube

Length = n
Surface area 30577976983161366
Volume 3.6381973111309E+23
Space diagonal 123648649.37225

Equilateral Triangle

Length = n
Perimeter 214165743
Area 2.2067754053128E+15
Altitude 61824324.686123

Triangular Pyramid

Length = n
Surface area 2.2067754053128E+15
Volume 4.2876566499922E+22
Height 33652899.816257