71281656 (number)

71281656 is an even 8-digits composite number following 71281655 and preceding 71281657. In scientific notation, it is written as 7.1281656 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors. There are 23760528 positive integers (up to 71281656) that are relatively prime to 71281656.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred eighty-one thousand six hundred fifty-six

Notation

Scientific notation 7.1281656 × 10^7
Engineering notation 7.1281656 × 10^6

Prime Factorization of 71281656

Prime Factorization 2 × 2 × 2 × 9 × 990023

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 17820414
Product of the distinct prime numbers

The prime factorization of 71281656 is 2 × 2 × 2 × 9 × 990023. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 22, 97, 252, 683, 472, 9510, 99488, 54088, 142623, 373616, 8972298, 8417123, 35708332, 81680525, 239976234, 790650778, 3259259096, 6804777019

Basic calculations (n = 71281656)

Multiplication

n×y
n×2 142563312
n×3 213844968
n×4 285126624
n×5 356408280

Division

n÷y
n÷2 35640828
n÷3 23760552
n÷3 17820414
n÷5 14256331.2

Exponentiation

ny
n2 5081074482102336
n3 3.621874033436E+23
n4 2.5817317892672E+31
n5 1.8403011728681E+39

Nth Root

y√n
2√n 8442.8464394421
3√n 414.62860467953
4√n 91.884963075805
5√n 37.204507177902

Divisors of 71281656

1, 2, 4, 8, 9, 18, 36, 72, 990023, 1980046, 3960092, 7920184, 8910207, 17820414, 35640828, 71281656

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 -71281655
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 71281656 can be divided by 16 positive divisors. The sum of these divisors (counting 71281656) is 1, the average is 0.0625.

Base conversion 71281656

Base System Value
2 Binary 100001111111010101111111000
3 Ternary 11222010111001100
4 Quaternary 10033322233320
5 Quinary 121222003111
6 Senary 11023451400
8 Octal 417725770
10 Decimal 71281656
12 Duodecimal 1ba56b60
16 Hexadecimal 43fabf8
20 Vigesimal 125a42g
36 Base36 16fta0

Cryptographic Hash Functions

md5 290d01237c17befd9b18c3b9d4b6bcf2
sha1 345b6741441ed7fd8867d1a2a68831e10d8ba979
sha256 588af41ac18c2b89cbab353170bdf443cea9c54f951ac3c82dd613194308b0d4
sha512 43222581e72f4ad027d37499fc60b432276dacf07a257dc1f66d553fa119c4b385a90c79dd57a26408c9ad78a4f5fc3fada298d09c1a4906c531fa0f4ec83418
ripemd-160 ba8ce4e484ab378805ee9e7543fdaf5be87cb420

71281656 as geometric shapes

Circle

Radius = n
Diameter 142563312
Circumference 447875853.65063
Area 1.5962666265315E+16

Sphere

Radius = n
Volume 1.5171270474227E+24
Surface area 6.3850665061261E+16
Circumference 447875853.65063

Square

Length = n
Perimeter 285126624
Area 5081074482102336
Diagonal 100807484.66361

Cube

Length = n
Surface area 30486446892614016
Volume 3.621874033436E+23
Space diagonal 123463449.83965

Equilateral Triangle

Length = n
Perimeter 213844968
Area 2.2001697900107E+15
Altitude 61731724.919823

Triangular Pyramid

Length = n
Surface area 2.2001697900107E+15
Volume 4.2684194827434E+22
Height 33602494.887871