71781405 (number)

71781405 is an odd 8-digits composite number following 71781404 and preceding 71781406. In scientific notation, it is written as 7.1781405 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 37013760 positive integers (up to 71781405) that are relatively prime to 71781405.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1781405 × 10^7
Engineering notation 7.1781405 × 10^6

Prime Factorization of 71781405

Prime Factorization 15 × 43 × 1021 × 109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71781405
Product of the distinct prime numbers

The prime factorization of 71781405 is 15 × 43 × 1021 × 109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781405)

Multiplication

n×y
n×2 143562810
n×3 215344215
n×4 287125620
n×5 358907025

Division

n÷y
n÷2 35890702.5
n÷3 23927135
n÷3 17945351.25
n÷5 14356281

Exponentiation

ny
n2 5152570103774025
n3 3.698587214099E+23
n4 2.6548978674306E+31
n5 1.9057229905567E+39

Nth Root

y√n
2√n 8472.3907487792
3√n 415.59532307371
4√n 92.045590599329
5√n 37.256528955421

Divisors of 71781405

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 -71781404
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 71781405 can be divided by 16 positive divisors. The sum of these divisors (counting 71781405) is 1, the average is 0.0625.

Base conversion 71781405

Base System Value
2 Binary 100010001110100110000011101
3 Ternary 12000001212120120
4 Quaternary 10101310300131
5 Quinary 121334001110
6 Senary 11042305153
8 Octal 421646035
10 Decimal 71781405
12 Duodecimal 200581b9
16 Hexadecimal 4474c1d
20 Vigesimal 128cda5
36 Base36 16qivx

Cryptographic Hash Functions

md5 00165c4f19126a83120af6e5fd160632
sha1 e2d092ceee3cfa1baaaa53d2c563bae3c8d2496a
sha256 d6d4cac1d94627ae6627263eeb1a5ca8e45ff8f115d3c1133cc9c4b143f5807c
sha512 b8e26e313910fcbbed505b210cd2a5716952cd86e6d886a432478f7b50516a1200f207f7332f1259dc64764c8e49b3770d546b1c737b08918bde65c2a1cd27c5
ripemd-160 c21c2945b7e1f6d241e6df761a90f9682a8573be

71781405 as geometric shapes

Circle

Radius = n
Diameter 143562810
Circumference 451015869.22471
Area 1.6187276385123E+16

Sphere

Radius = n
Volume 1.5492605893966E+24
Surface area 6.4749105540491E+16
Circumference 451015869.22471

Square

Length = n
Perimeter 287125620
Area 5152570103774025
Diagonal 101514236.4772

Cube

Length = n
Surface area 30915420622644150
Volume 3.698587214099E+23
Space diagonal 124329040.49868

Equilateral Triangle

Length = n
Perimeter 215344215
Area 2.2311283023243E+15
Altitude 62164520.249339

Triangular Pyramid

Length = n
Surface area 2.2311283023243E+15
Volume 4.3588268331654E+22
Height 33838078.825732