81749092 (number)

81749092 is an even 8-digits composite number following 81749091 and preceding 81749093. In scientific notation, it is written as 8.1749092 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 40874544 positive integers (up to 81749092) that are relatively prime to 81749092.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1749092 × 10^7
Engineering notation 8.1749092 × 10^6

Prime Factorization of 81749092

Prime Factorization 2 × 2 × 20437273

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40874546
Product of the distinct prime numbers

The prime factorization of 81749092 is 2 × 2 × 20437273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749092)

Multiplication

n×y
n×2 163498184
n×3 245247276
n×4 326996368
n×5 408745460

Division

n÷y
n÷2 40874546
n÷3 27249697.333333
n÷3 20437273
n÷5 16349818.4

Exponentiation

ny
n2 6682914042824464
n3 5.4632215491495E+23
n4 4.466134010378E+31
n5 3.6510240009872E+39

Nth Root

y√n
2√n 9041.5204473584
3√n 434.00457993142
4√n 95.086909968504
5√n 38.238124907271

Divisors of 81749092

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81749091
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749092 can be divided by 6 positive divisors. The sum of these divisors (counting 81749092) is 1, the average is 0.16666666666667.

Base conversion 81749092

Base System Value
2 Binary 100110111110110010001100100
3 Ternary 12200211021200011
4 Quaternary 10313312101210
5 Quinary 131411432332
6 Senary 12040100004
8 Octal 467662144
10 Decimal 81749092
12 Duodecimal 23464604
16 Hexadecimal 4df6464
20 Vigesimal 15aicec
36 Base36 1co604

Cryptographic Hash Functions

md5 05f17c92b43077a33c2c2c21f18f2b27
sha1 c2076b6f6a64536eaa762f50da7f8931f8b76e01
sha256 905975203d0b4ac397fabde440fc3ba7c67dd8659fc6707916f3dde74c7d9a12
sha512 7dd41dbb2e623051a6225b19d65722c67e688e0da398b402d86ce3c52d757aa1a476c5bba515e66d029c2ffe77aec2edcba3790804b3f0d3139aad1988c8906f
ripemd-160 93c3556ada9a47ef75b6bd2c1d5a3c9ccd187cd9

81749092 as geometric shapes

Circle

Radius = n
Diameter 163498184
Circumference 513644693.72967
Area 2.0994993661509E+16

Sphere

Radius = n
Volume 2.2884288911655E+24
Surface area 8.3979974646038E+16
Circumference 513644693.72967

Square

Length = n
Perimeter 326996368
Area 6682914042824464
Diagonal 115610674.61809

Cube

Length = n
Surface area 40097484256946784
Volume 5.4632215491495E+23
Space diagonal 141593580.81662

Equilateral Triangle

Length = n
Perimeter 245247276
Area 2.8937866661969E+15
Altitude 70796790.408311

Triangular Pyramid

Length = n
Surface area 2.8937866661969E+15
Volume 6.4384683408801E+22
Height 38536891.539362