81745462 (number)

81745462 is an even 8-digits composite number following 81745461 and preceding 81745463. In scientific notation, it is written as 8.1745462 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 40849392 positive integers (up to 81745462) that are relatively prime to 81745462.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-five thousand four hundred sixty-two

Notation

Scientific notation 8.1745462 × 10^7
Engineering notation 8.1745462 × 10^6

Prime Factorization of 81745462

Prime Factorization 2 × 1907 × 21433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81745462
Product of the distinct prime numbers

The prime factorization of 81745462 is 2 × 1907 × 21433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81745462)

Multiplication

n×y
n×2 163490924
n×3 245236386
n×4 326981848
n×5 408727310

Division

n÷y
n÷2 40872731
n÷3 27248487.333333
n÷3 20436365.5
n÷5 16349092.4

Exponentiation

ny
n2 6682320557593444
n3 5.4624938121257E+23
n4 4.4653408034436E+31
n5 3.6502134696495E+39

Nth Root

y√n
2√n 9041.3197045564
3√n 433.99815596631
4√n 95.085854387266
5√n 38.237785314854

Divisors of 81745462

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81745461
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81745462 can be divided by 8 positive divisors. The sum of these divisors (counting 81745462) is 1, the average is 0.125.

Base conversion 81745462

Base System Value
2 Binary 100110111110101011000110110
3 Ternary 12200211002200201
4 Quaternary 10313311120312
5 Quinary 131411323322
6 Senary 12040031114
8 Octal 467653066
10 Decimal 81745462
12 Duodecimal 2346249a
16 Hexadecimal 4df5636
20 Vigesimal 15ai3d2
36 Base36 1co37a

Cryptographic Hash Functions

md5 d422139a00d05891ce722e0b107c14ad
sha1 2ca853c49bf2f7c2c7983fa9207081a9afe2719c
sha256 f106db9813f594c2d94216008f8e794a61efd523f9a8fd6c2b1877f0b5aa0681
sha512 a0219951ce059781950ce92a5b01f5e5dd52e9d2dc02542d6292ca84f27343f2fdc7121383ca43469cc7eb576c88cbc34c28af774295bb5e3d8a31c50a959fd0
ripemd-160 a34b8007482cc45e97f151ff70fa017e3450d7fd

81745462 as geometric shapes

Circle

Radius = n
Diameter 163490924
Circumference 513621885.76701
Area 2.0993129172668E+16

Sphere

Radius = n
Volume 2.2881240573939E+24
Surface area 8.397251669067E+16
Circumference 513621885.76701

Square

Length = n
Perimeter 326981848
Area 6682320557593444
Diagonal 115605541.02285

Cube

Length = n
Surface area 40093923345560664
Volume 5.4624938121257E+23
Space diagonal 141587293.47219

Equilateral Triangle

Length = n
Perimeter 245236386
Area 2.8935296795535E+15
Altitude 70793646.736095

Triangular Pyramid

Length = n
Surface area 2.8935296795535E+15
Volume 6.4376106945728E+22
Height 38535180.340951