81741749 (number)

81741749 is an odd 8-digits composite number following 81741748 and preceding 81741750. In scientific notation, it is written as 8.1741749 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 78685936 positive integers (up to 81741749) that are relatively prime to 81741749.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-one thousand seven hundred forty-nine

Notation

Scientific notation 8.1741749 × 10^7
Engineering notation 8.1741749 × 10^6

Prime Factorization of 81741749

Prime Factorization 29 × 347 × 8123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81741749
Product of the distinct prime numbers

The prime factorization of 81741749 is 29 × 347 × 8123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81741749)

Multiplication

n×y
n×2 163483498
n×3 245225247
n×4 326966996
n×5 408708745

Division

n÷y
n÷2 40870874.5
n÷3 27247249.666667
n÷3 20435437.25
n÷5 16348349.8

Exponentiation

ny
n2 6681713529579001
n3 5.4617495022475E+23
n4 4.4645295691359E+31
n5 3.6493845544339E+39

Nth Root

y√n
2√n 9041.1143671563
3√n 433.9915849204
4√n 95.084774633778
5√n 38.23743794517

Divisors of 81741749

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 -81741748
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 81741749 can be divided by 8 positive divisors. The sum of these divisors (counting 81741749) is 1, the average is 0.125.

Base conversion 81741749

Base System Value
2 Binary 100110111110100011110110101
3 Ternary 12200210220121012
4 Quaternary 10313310132311
5 Quinary 131411213444
6 Senary 12040002005
8 Octal 467643665
10 Decimal 81741749
12 Duodecimal 23460305
16 Hexadecimal 4df47b5
20 Vigesimal 15ahe79
36 Base36 1co0c5

Cryptographic Hash Functions

md5 514c0155c9ce625f14840759e8d31359
sha1 9f5b1f0659d6a3fddb739dc408027fe58318e53e
sha256 1fe3a42b904aea76fa0af66f90afbdd42f020d07c4525fb24ba9fdc045b97359
sha512 b0dc562adfa9f252220831372c6dfdbb9e9bd3fc2f3c7d558231dd19696336fb413e4724c74bf561960d697fc52c5a7b28f6f37931776d506068f731f49726da
ripemd-160 8dbd53012a7526208bae557571644816b6a9e92c

81741749 as geometric shapes

Circle

Radius = n
Diameter 163483498
Circumference 513598556.29996
Area 2.0991222137917E+16

Sphere

Radius = n
Volume 2.2878122816011E+24
Surface area 8.3964888551668E+16
Circumference 513598556.29996

Square

Length = n
Perimeter 326966996
Area 6681713529579001
Diagonal 115600290.0479

Cube

Length = n
Surface area 40090281177474006
Volume 5.4617495022475E+23
Space diagonal 141580862.36754

Equilateral Triangle

Length = n
Perimeter 245225247
Area 2.8932668287128E+15
Altitude 70790431.183771

Triangular Pyramid

Length = n
Surface area 2.8932668287128E+15
Volume 6.4367335169691E+22
Height 38533430.015966