81109743 (number)

81109743 is an odd 8-digits composite number following 81109742 and preceding 81109744. In scientific notation, it is written as 8.1109743 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 45375840 positive integers (up to 81109743) that are relatively prime to 81109743.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1109743 × 10^7
Engineering notation 8.1109743 × 10^6

Prime Factorization of 81109743

Prime Factorization 3 × 143 × 189067

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81109743
Product of the distinct prime numbers

The prime factorization of 81109743 is 3 × 143 × 189067. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81109743)

Multiplication

n×y
n×2 162219486
n×3 243329229
n×4 324438972
n×5 405548715

Division

n÷y
n÷2 40554871.5
n÷3 27036581
n÷3 20277435.75
n÷5 16221948.6

Exponentiation

ny
n2 6578790409526049
n3 5.3360399936752E+23
n4 4.3280483252472E+31
n5 3.5104688735238E+39

Nth Root

y√n
2√n 9006.0947696546
3√n 432.87018636113
4√n 94.900446625159
5√n 38.178125835746

Divisors of 81109743

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 -81109742
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 81109743 can be divided by 8 positive divisors. The sum of these divisors (counting 81109743) is 1, the average is 0.125.

Base conversion 81109743

Base System Value
2 Binary 100110101011010001011101111
3 Ternary 12122121210122120
4 Quaternary 10311122023233
5 Quinary 131231002433
6 Senary 12014244023
8 Octal 465321357
10 Decimal 81109743
12 Duodecimal 231b6613
16 Hexadecimal 4d5a2ef
20 Vigesimal 156ie73
36 Base36 1cagof

Cryptographic Hash Functions

md5 db94edc0aa332772ed7a8dc14834b4f1
sha1 4eb52439ce5de18bc3011378abb2b7442d370b84
sha256 3489bf4adf5f1c9f4824e94fee19afe3cef4132a73b1b1744a2ca9bc57664e86
sha512 08a2ece67bfc1ce92a4abe634c45fc848d8d3459aa4ddbc1804861123714d013df27d75b97b8062873ce36e74e30b93b867c911ef1ca851f67fb55fa258f9e23
ripemd-160 19e703446ada1c781d35460e16646b8ea43e0a41

81109743 as geometric shapes

Circle

Radius = n
Diameter 162219486
Circumference 509627545.48671
Area 2.0667879620074E+16

Sphere

Radius = n
Volume 2.2351552057855E+24
Surface area 8.2671518480296E+16
Circumference 509627545.48671

Square

Length = n
Perimeter 324438972
Area 6578790409526049
Diagonal 114706498.5912

Cube

Length = n
Surface area 39472742457156294
Volume 5.3360399936752E+23
Space diagonal 140486195.86485

Equilateral Triangle

Length = n
Perimeter 243329229
Area 2.8486998104115E+15
Altitude 70243097.932427

Triangular Pyramid

Length = n
Surface area 2.8486998104115E+15
Volume 6.2885834403506E+22
Height 38235499.530399