81109713 (number)

81109713 is an odd 8-digits composite number following 81109712 and preceding 81109714. In scientific notation, it is written as 8.1109713 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54073140 positive integers (up to 81109713) that are relatively prime to 81109713.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1109713 × 10^7
Engineering notation 8.1109713 × 10^6

Prime Factorization of 81109713

Prime Factorization 3 × 27036571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81109713
Product of the distinct prime numbers

The prime factorization of 81109713 is 3 × 27036571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81109713)

Multiplication

n×y
n×2 162219426
n×3 243329139
n×4 324438852
n×5 405548565

Division

n÷y
n÷2 40554856.5
n÷3 27036571
n÷3 20277428.25
n÷5 16221942.6

Exponentiation

ny
n2 6578785542942369
n3 5.336034072766E+23
n4 4.3280419220028E+31
n5 3.5104623814561E+39

Nth Root

y√n
2√n 9006.0931041157
3√n 432.87013299266
4√n 94.900437849968
5√n 38.178123011563

Divisors of 81109713

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81109712
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81109713 can be divided by 4 positive divisors. The sum of these divisors (counting 81109713) is 1, the average is 0.25.

Base conversion 81109713

Base System Value
2 Binary 100110101011010001011010001
3 Ternary 12122121210121110
4 Quaternary 10311122023101
5 Quinary 131231002323
6 Senary 12014243533
8 Octal 465321321
10 Decimal 81109713
12 Duodecimal 231b65a9
16 Hexadecimal 4d5a2d1
20 Vigesimal 156ie5d
36 Base36 1cagnl

Cryptographic Hash Functions

md5 f4ede7366c4c789fc1618de89746cf3d
sha1 ac3fbf4aadad767eb26788ecd7b03664534d9503
sha256 7430fe83162fbdfd9ca6e8c4cf765d5a690b736a5d2e696801eee76df3cb9adb
sha512 ad448680ffb30740177451efb6dfad2c1daca8f01a7ef101b3eb97cea5f52d3153ab7f75de8c96e30bb63b04a2adbf605298ab77ccd7afabd22e27c516c621ca
ripemd-160 d4e66b9d1e8c4ad495c4ca9bb6bc1b388c94d667

81109713 as geometric shapes

Circle

Radius = n
Diameter 162219426
Circumference 509627356.99115
Area 2.066786433125E+16

Sphere

Radius = n
Volume 2.2351527256409E+24
Surface area 8.2671457325002E+16
Circumference 509627356.99115

Square

Length = n
Perimeter 324438852
Area 6578785542942369
Diagonal 114706456.16479

Cube

Length = n
Surface area 39472713257654214
Volume 5.336034072766E+23
Space diagonal 140486143.90333

Equilateral Triangle

Length = n
Perimeter 243329139
Area 2.8486977031189E+15
Altitude 70243071.951665

Triangular Pyramid

Length = n
Surface area 2.8486977031189E+15
Volume 6.2885764624922E+22
Height 38235485.388263