71806721 (number)

71806721 is an odd 8-digits composite number following 71806720 and preceding 71806722. In scientific notation, it is written as 7.1806721 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 61548612 positive integers (up to 71806721) that are relatively prime to 71806721.

Interesting facts

Basic properties

Name

Name seventy-one million eight hundred six thousand seven hundred twenty-one

Notation

Scientific notation 7.1806721 × 10^7
Engineering notation 7.1806721 × 10^6

Prime Factorization of 71806721

Prime Factorization 7 × 10258103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71806721
Product of the distinct prime numbers

The prime factorization of 71806721 is 7 × 10258103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71806721)

Multiplication

n×y
n×2 143613442
n×3 215420163
n×4 287226884
n×5 359033605

Division

n÷y
n÷2 35903360.5
n÷3 23935573.666667
n÷3 17951680.25
n÷5 14361344.2

Exponentiation

ny
n2 5156205180771841
n3 3.7025018683444E+23
n4 2.6586451866218E+31
n5 1.9090859315375E+39

Nth Root

y√n
2√n 8473.8846463709
3√n 415.64417497605
4√n 92.053705228909
5√n 37.259156525214

Divisors of 71806721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71806720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71806721 can be divided by 4 positive divisors. The sum of these divisors (counting 71806721) is 1, the average is 0.25.

Base conversion 71806721

Base System Value
2 Binary 100010001111010111100000001
3 Ternary 12000010011022012
4 Quaternary 10101322330001
5 Quinary 121340303341
6 Senary 11043022305
8 Octal 421727401
10 Decimal 71806721
12 Duodecimal 2006a995
16 Hexadecimal 447af01
20 Vigesimal 128fgg1
36 Base36 16r2f5

Cryptographic Hash Functions

md5 7d7d072c21566a6ef9a8c4a5880890ac
sha1 c8982200e99f6a178f73cd4be7af79330c6fa2ac
sha256 7ce3b338da0852cf2288cb37615691bdf8112d12faba4444ff21334801f900a4
sha512 11bdedd3ff73a609310a0545cbf96389a5cb41128e8016c3d8b0cd6264e6ca35716b07fa3ac1657b3e010b6f24d381c01a7f7a2198d0ea5964cef393cdb2d1a0
ripemd-160 b809afb3a1f0df3b127e06cd5965d89b8faeda51

71806721 as geometric shapes

Circle

Radius = n
Diameter 143613442
Circumference 451174934.34394
Area 1.6198696316314E+16

Sphere

Radius = n
Volume 1.5509003559324E+24
Surface area 6.4794785265258E+16
Circumference 451174934.34394

Square

Length = n
Perimeter 287226884
Area 5156205180771841
Diagonal 101550038.70774

Cube

Length = n
Surface area 30937231084631046
Volume 3.7025018683444E+23
Space diagonal 124372889.09692

Equilateral Triangle

Length = n
Perimeter 215420163
Area 2.2327023368367E+15
Altitude 62186444.548462

Triangular Pyramid

Length = n
Surface area 2.2327023368367E+15
Volume 4.363440297437E+22
Height 33850012.90258