71388018 (number)

71388018 is an even 8-digits composite number following 71388017 and preceding 71388019. In scientific notation, it is written as 7.1388018 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 48 positive divisors. There are 21494880 positive integers (up to 71388018) that are relatively prime to 71388018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1388018 × 10^7
Engineering notation 7.1388018 × 10^6

Prime Factorization of 71388018

Prime Factorization 2 × 3 × 3 × 13 × 47 × 6491

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 23796006
Product of the distinct prime numbers

The prime factorization of 71388018 is 2 × 3 × 3 × 13 × 47 × 6491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 10, 42, 63, 709, 658, 9281, 951, 17679, 72942, 411864, 754230, 2815987, 259213, 78796347, 82227671, 150226448, 303800828, 7397574233, 3101957698

Basic calculations (n = 71388018)

Multiplication

n×y
n×2 142776036
n×3 214164054
n×4 285552072
n×5 356940090

Division

n÷y
n÷2 35694009
n÷3 23796006
n÷3 17847004.5
n÷5 14277603.6

Exponentiation

ny
n2 5096249113968324
n3 3.6381112348045E+23
n4 2.5971755031623E+31
n5 1.8540721156891E+39

Nth Root

y√n
2√n 8449.1430334679
3√n 414.83472975907
4√n 91.919220152632
5√n 37.21560340177

Divisors of 71388018

1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 3666, 5499, 6491, 10998, 12982, 19473, 38946, 58419, 84383, 116838, 168766, 253149, 305077, 506298, 610154, 759447, 915231, 1518894, 1830462, 2745693, 3966001, 5491386, 7932002, 11898003, 23796006, 35694009, 71388018

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71388017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71388018 can be divided by 48 positive divisors. The sum of these divisors (counting 71388018) is 1, the average is 0.020833333333333.

Base conversion 71388018

Base System Value
2 Binary 100010000010100101101110010
3 Ternary 11222022212221200
4 Quaternary 10100110231302
5 Quinary 121233404033
6 Senary 11030032030
8 Octal 420245562
10 Decimal 71388018
12 Duodecimal 1baa8616
16 Hexadecimal 4414b72
20 Vigesimal 1263a0i
36 Base36 16i3ci

Cryptographic Hash Functions

md5 71a4320e73ddcb43bfd7333a9be97ba5
sha1 6bca41caa1361e44b5736f756c4a15740388ba67
sha256 83f4f07a94d9cdd4ff195553cb05853093f3c289a3d8cfa8b896c9158c273f67
sha512 c63375e916c796c03f379f87e2c6fcae5fd095de1968d422b903d58f4625d116d9317dd944bb429ef673275e9aef2b13f1b8ef278bb0a0371181da79d394f2f0
ripemd-160 b76dc31e29922319de4fc55c945368e90ad737ba

71388018 as geometric shapes

Circle

Radius = n
Diameter 142776036
Circumference 448544145.80627
Area 1.6010338777306E+16

Sphere

Radius = n
Volume 1.5239284704273E+24
Surface area 6.4041355109226E+16
Circumference 448544145.80627

Square

Length = n
Perimeter 285552072
Area 5096249113968324
Diagonal 100957903.24653

Cube

Length = n
Surface area 30577494683809944
Volume 3.6381112348045E+23
Space diagonal 123647674.22764

Equilateral Triangle

Length = n
Perimeter 214164054
Area 2.2067405983553E+15
Altitude 61823837.113821

Triangular Pyramid

Length = n
Surface area 2.2067405983553E+15
Volume 4.2875552080688E+22
Height 33652634.415512