71388918 (number)

71388918 is an even 8-digits composite number following 71388917 and preceding 71388919. In scientific notation, it is written as 7.1388918 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 64 positive divisors. There are 22572000 positive integers (up to 71388918) that are relatively prime to 71388918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1388918 × 10^7
Engineering notation 7.1388918 × 10^6

Prime Factorization of 71388918

Prime Factorization 2 × 23 × 9 × 3 × 229 × 251

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 71388918
Product of the distinct prime numbers

The prime factorization of 71388918 is 2 × 23 × 9 × 3 × 229 × 251. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 80, 31, 974, 687, 3338, 1966, 73103, 20087, 868623, 481609, 1202311, 2951185, 36851085, 77022827, 109161716, 229386744, 9006457181, 3430515277

Basic calculations (n = 71388918)

Multiplication

n×y
n×2 142777836
n×3 214166754
n×4 285555672
n×5 356944590

Division

n÷y
n÷2 35694459
n÷3 23796306
n÷3 17847229.5
n÷5 14277783.6

Exponentiation

ny
n2 5096377613210724
n3 3.6382488352654E+23
n4 2.5973064776435E+31
n5 1.8541889915336E+39

Nth Root

y√n
2√n 8449.1962931394
3√n 414.83647304737
4√n 91.919509861288
5√n 37.215697237893

Divisors of 71388918

1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 229, 251, 414, 458, 502, 621, 687, 753, 1242, 1374, 1506, 2061, 2259, 4122, 4518, 5267, 5773, 6183, 6777, 10534, 11546, 12366, 13554, 15801, 17319, 31602, 34638, 47403, 51957, 57479, 94806, 103914, 114958, 142209, 155871, 172437, 284418, 311742, 344874, 517311, 1034622, 1322017, 1551933, 2644034, 3103866, 3966051, 7932102, 11898153, 23796306, 35694459, 71388918

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71388917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71388918 can be divided by 64 positive divisors. The sum of these divisors (counting 71388918) is 1, the average is 0.015625.

Base conversion 71388918

Base System Value
2 Binary 100010000010100111011110110
3 Ternary 11222022221012000
4 Quaternary 10100110323312
5 Quinary 121233421133
6 Senary 11030040130
8 Octal 420247366
10 Decimal 71388918
12 Duodecimal 1baa9046
16 Hexadecimal 4414ef6
20 Vigesimal 1263c5i
36 Base36 16i41i

Cryptographic Hash Functions

md5 52b4143b51c92576daad936ba8afac31
sha1 6afec982c633d3deddd3db8404da3db6adb72c60
sha256 779a2198fda1751d4104bf647b658537bb76aeb9449e65560c707e1823034489
sha512 6fb9033c2b06a5054b3d11e539f705763d283be8387288ed0869646564f37634280347be1aee1d5a41ebc37ce80e3587071806b8e2036dc07674ed06924021f6
ripemd-160 9dc7065029a1d91f3c3104924ec8a96bf1301c79

71388918 as geometric shapes

Circle

Radius = n
Diameter 142777836
Circumference 448549800.67305
Area 1.6010742469582E+16

Sphere

Radius = n
Volume 1.5239861083735E+24
Surface area 6.4042969878329E+16
Circumference 448549800.67305

Square

Length = n
Perimeter 285555672
Area 5096377613210724
Diagonal 100959176.03874

Cube

Length = n
Surface area 30578265679264344
Volume 3.6382488352654E+23
Space diagonal 123649233.07337

Equilateral Triangle

Length = n
Perimeter 214166754
Area 2.2067962401594E+15
Altitude 61824616.536684

Triangular Pyramid

Length = n
Surface area 2.2067962401594E+15
Volume 4.287717371767E+22
Height 33653058.67958