81309163 (number)

81309163 is an odd 8-digits composite number following 81309162 and preceding 81309164. In scientific notation, it is written as 8.1309163 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 71368704 positive integers (up to 81309163) that are relatively prime to 81309163.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred nine thousand one hundred sixty-three

Notation

Scientific notation 8.1309163 × 10^7
Engineering notation 8.1309163 × 10^6

Prime Factorization of 81309163

Prime Factorization 13 × 23 × 1409 × 193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81309163
Product of the distinct prime numbers

The prime factorization of 81309163 is 13 × 23 × 1409 × 193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 24, 4, 1000, 131, 7380, 690, 13317, 88577, 556636, 472304, 8642449, 9673578, 53614124, 73016830, 444831564, 902501415, 3176725131, 6902123976

Basic calculations (n = 81309163)

Multiplication

n×y
n×2 162618326
n×3 243927489
n×4 325236652
n×5 406545815

Division

n÷y
n÷2 40654581.5
n÷3 27103054.333333
n÷3 20327290.75
n÷5 16261832.6

Exponentiation

ny
n2 6611179987760569
n3 5.3754951124716E+23
n4 4.3707700830566E+31
n5 3.5538365711877E+39

Nth Root

y√n
2√n 9017.1593642344
3√n 433.22465394222
4√n 94.958724529315
5√n 38.19688068581

Divisors of 81309163

1, 13, 23, 193, 299, 1409, 2509, 4439, 18317, 32407, 57707, 271937, 421291, 3535181, 6254551, 81309163

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81309162
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81309163 can be divided by 16 positive divisors. The sum of these divisors (counting 81309163) is 1, the average is 0.0625.

Base conversion 81309163

Base System Value
2 Binary 100110110001010110111101011
3 Ternary 12122222221012111
4 Quaternary 10312022313223
5 Quinary 131303343123
6 Senary 12022423151
8 Octal 466126753
10 Decimal 81309163
12 Duodecimal 23291ab7
16 Hexadecimal 4d8adeb
20 Vigesimal 1583ci3
36 Base36 1ceqjv

Cryptographic Hash Functions

md5 9a66957896a67a2c88a5bc9c829af8f0
sha1 ada7e750da2ac10895ee61617114e753547b6074
sha256 55cb450bb274491b655775dc5e06e0e4585ca318e9b9cee2be1d4de7e42b886c
sha512 a2eac20103dccc93f43e4cb3a3758dce6fbbfd838c6efc9480d59be895bd7d29f6babbf55e12794e5e710262497b07353dee1d75d00313edb1da08e4bab17e9b
ripemd-160 03056f0316a48aa41eddb6742f2f869ba0a1d66e

81309163 as geometric shapes

Circle

Radius = n
Diameter 162618326
Circumference 510880538.30067
Area 2.0769634481108E+16

Sphere

Radius = n
Volume 2.2516821272998E+24
Surface area 8.3078537924434E+16
Circumference 510880538.30067

Square

Length = n
Perimeter 325236652
Area 6611179987760569
Diagonal 114988521.0598

Cube

Length = n
Surface area 39667079926563414
Volume 5.3754951124716E+23
Space diagonal 140831601.4369

Equilateral Triangle

Length = n
Perimeter 243927489
Area 2.862724909196E+15
Altitude 70415800.71845

Triangular Pyramid

Length = n
Surface area 2.862724909196E+15
Volume 6.335081743773E+22
Height 38329507.019935