71387481 (number)

71387481 is an odd 8-digits composite number following 71387480 and preceding 71387482. In scientific notation, it is written as 7.1387481 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 42194880 positive integers (up to 71387481) that are relatively prime to 71387481.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-seven thousand four hundred eighty-one

Notation

Scientific notation 7.1387481 × 10^7
Engineering notation 7.1387481 × 10^6

Prime Factorization of 71387481

Prime Factorization 3 × 11 × 79 × 139 × 197

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71387481
Product of the distinct prime numbers

The prime factorization of 71387481 is 3 × 11 × 79 × 139 × 197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 61, 34, 206, 142, 5971, 6167, 51780, 20823, 560229, 56001, 5973493, 3109104, 99529476, 98329218, 951612814, 820093763, 9639569329, 5626767425

Basic calculations (n = 71387481)

Multiplication

n×y
n×2 142774962
n×3 214162443
n×4 285549924
n×5 356937405

Division

n÷y
n÷2 35693740.5
n÷3 23795827
n÷3 17846870.25
n÷5 14277496.2

Exponentiation

ny
n2 5096172443525361
n3 3.6380291348489E+23
n4 2.5970973574147E+31
n5 1.8540023825759E+39

Nth Root

y√n
2√n 8449.1112550374
3√n 414.83368959008
4√n 91.919047291829
5√n 37.215547412433

Divisors of 71387481

1, 3, 11, 33, 79, 139, 197, 237, 417, 591, 869, 1529, 2167, 2607, 4587, 6501, 10981, 15563, 27383, 32943, 46689, 82149, 120791, 171193, 301213, 362373, 513579, 903639, 2163257, 6489771, 23795827, 71387481

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71387480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71387481 can be divided by 32 positive divisors. The sum of these divisors (counting 71387481) is 1, the average is 0.03125.

Base conversion 71387481

Base System Value
2 Binary 100010000010100100101011001
3 Ternary 11222022212012210
4 Quaternary 10100110211121
5 Quinary 121233344411
6 Senary 11030025333
8 Octal 420244531
10 Decimal 71387481
12 Duodecimal 1baa8249
16 Hexadecimal 4414959
20 Vigesimal 12638e1
36 Base36 16i2xl

Cryptographic Hash Functions

md5 354f32c2bd230993ae331a41e4e5baa9
sha1 4a92464c11e30e4459b03a4761d72c1ae9c0ff58
sha256 6cdc2f50fb2824a3ad30d7ce93e7064e4f12e3e4bee79c3fb6e05fc315767aa9
sha512 b010042182c419cdbf850edf583cbfca94d88df02372178b224bbfa2a306e47047577f1b023c67e3fc95e3d7a8b9914accaae88ceb29c9501c218561ad8a5b55
ripemd-160 7f9ca14da5def5d77ff4606dc63d09e9093f9d02

71387481 as geometric shapes

Circle

Radius = n
Diameter 142774962
Circumference 448540771.73576
Area 1.6010097910006E+16

Sphere

Radius = n
Volume 1.5238940804783E+24
Surface area 6.4040391640024E+16
Circumference 448540771.73576

Square

Length = n
Perimeter 285549924
Area 5096172443525361
Diagonal 100957143.81385

Cube

Length = n
Surface area 30577034661152166
Volume 3.6380291348489E+23
Space diagonal 123646744.11636

Equilateral Triangle

Length = n
Perimeter 214162443
Area 2.2067073990796E+15
Altitude 61823372.058179

Triangular Pyramid

Length = n
Surface area 2.2067073990796E+15
Volume 4.2874584523431E+22
Height 33652381.271284