81749076 (number)

81749076 is an even 8-digits composite number following 81749075 and preceding 81749077. In scientific notation, it is written as 8.1749076 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 27227040 positive integers (up to 81749076) that are relatively prime to 81749076.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1749076 × 10^7
Engineering notation 8.1749076 × 10^6

Prime Factorization of 81749076

Prime Factorization 2 × 2 × 3 × 3931 × 1733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40874538
Product of the distinct prime numbers

The prime factorization of 81749076 is 2 × 2 × 3 × 3931 × 1733. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749076)

Multiplication

n×y
n×2 163498152
n×3 245247228
n×4 326996304
n×5 408745380

Division

n÷y
n÷2 40874538
n÷3 27249692
n÷3 20437269
n÷5 16349815.2

Exponentiation

ny
n2 6682911426853776
n3 5.4632183413514E+23
n4 4.4661305139173E+31
n5 3.6510204280814E+39

Nth Root

y√n
2√n 9041.5195625514
3√n 434.00455161684
4√n 95.086905315882
5√n 38.238123410472

Divisors of 81749076

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81749075
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749076 can be divided by 24 positive divisors. The sum of these divisors (counting 81749076) is 1, the average is 0.041666666666667.

Base conversion 81749076

Base System Value
2 Binary 100110111110110010001010100
3 Ternary 12200211021122120
4 Quaternary 10313312101110
5 Quinary 131411432301
6 Senary 12040055540
8 Octal 467662124
10 Decimal 81749076
12 Duodecimal 234645b0
16 Hexadecimal 4df6454
20 Vigesimal 15aicdg
36 Base36 1co5zo

Cryptographic Hash Functions

md5 c3da7817c8ad4570e1ecba0b8b281227
sha1 c0c2c039e738aee6cada5e340d1e41d9f957b6c6
sha256 275cc9569a030f804d02a7a771a5a4404edc6681451c7c19964e9be3ab724cab
sha512 822d2cfe2f6309bd57eee7db24cec24df1f9e5016cf60e0255f180286008b0bdec0525f9527ee944422edbeb73fef9fd0702b7ac7d9d6c76fadbfab02a1271c7
ripemd-160 1185c279fa9452d1c3fb6efa24b60155585ebb5e

81749076 as geometric shapes

Circle

Radius = n
Diameter 163498152
Circumference 513644593.19871
Area 2.0994985443195E+16

Sphere

Radius = n
Volume 2.2884275474862E+24
Surface area 8.397994177278E+16
Circumference 513644593.19871

Square

Length = n
Perimeter 326996304
Area 6682911426853776
Diagonal 115610651.99067

Cube

Length = n
Surface area 40097468561122656
Volume 5.4632183413514E+23
Space diagonal 141593553.10381

Equilateral Triangle

Length = n
Perimeter 245247228
Area 2.8937855334483E+15
Altitude 70796776.551905

Triangular Pyramid

Length = n
Surface area 2.8937855334483E+15
Volume 6.4384645604538E+22
Height 38536883.99689