81749095 (number)

81749095 is an odd 8-digits composite number following 81749094 and preceding 81749096. In scientific notation, it is written as 8.1749095 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 63631584 positive integers (up to 81749095) that are relatively prime to 81749095.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1749095 × 10^7
Engineering notation 8.1749095 × 10^6

Prime Factorization of 81749095

Prime Factorization 5 × 37 × 441887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81749095
Product of the distinct prime numbers

The prime factorization of 81749095 is 5 × 37 × 441887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749095)

Multiplication

n×y
n×2 163498190
n×3 245247285
n×4 326996380
n×5 408745475

Division

n÷y
n÷2 40874547.5
n÷3 27249698.333333
n÷3 20437273.75
n÷5 16349819

Exponentiation

ny
n2 6682914533319025
n3 5.4632221506118E+23
n4 4.4661346659647E+31
n5 3.6510246709074E+39

Nth Root

y√n
2√n 9041.5206132597
3√n 434.00458524041
4√n 95.086910840871
5√n 38.238125187921

Divisors of 81749095

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 -81749094
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 81749095 can be divided by 8 positive divisors. The sum of these divisors (counting 81749095) is 1, the average is 0.125.

Base conversion 81749095

Base System Value
2 Binary 100110111110110010001100111
3 Ternary 12200211021200021
4 Quaternary 10313312101213
5 Quinary 131411432340
6 Senary 12040100011
8 Octal 467662147
10 Decimal 81749095
12 Duodecimal 23464607
16 Hexadecimal 4df6467
20 Vigesimal 15aicef
36 Base36 1co607

Cryptographic Hash Functions

md5 5b585f615d2ac1a29b13853a392b714b
sha1 a7686fe7057846ce6c7fdffb76b7c25944e3ee40
sha256 72414aaa012521e0653089e409a930de995ebc1dc906a186ce37a191fe4e9b12
sha512 b3d70f50ea8cecdaf59cf3fc9ec6c5d67349b20397077f5810842d4f570abc3f733117fb4b347c575a931558453e0ff55ecda70664aca2c6944e525db05b98ac
ripemd-160 838347a4b58ca84acc6683aefe9df99afbe81326

81749095 as geometric shapes

Circle

Radius = n
Diameter 163498190
Circumference 513644712.57923
Area 2.0994995202444E+16

Sphere

Radius = n
Volume 2.2884291431055E+24
Surface area 8.3979980809774E+16
Circumference 513644712.57923

Square

Length = n
Perimeter 326996380
Area 6682914533319025
Diagonal 115610678.86073

Cube

Length = n
Surface area 40097487199914150
Volume 5.4632221506118E+23
Space diagonal 141593586.01277

Equilateral Triangle

Length = n
Perimeter 245247285
Area 2.8937868785873E+15
Altitude 70796793.006387

Triangular Pyramid

Length = n
Surface area 2.8937868785873E+15
Volume 6.4384690497102E+22
Height 38536892.953576