81672486 (number)

81672486 is an even 8-digits composite number following 81672485 and preceding 81672487. In scientific notation, it is written as 8.1672486 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 23334984 positive integers (up to 81672486) that are relatively prime to 81672486.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy-two thousand four hundred eighty-six

Notation

Scientific notation 8.1672486 × 10^7
Engineering notation 8.1672486 × 10^6

Prime Factorization of 81672486

Prime Factorization 2 × 7 × 3 × 1944583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81672486
Product of the distinct prime numbers

The prime factorization of 81672486 is 2 × 7 × 3 × 1944583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 18, 3, 83, 881, 5447, 5522, 18781, 96577, 743965, 239492, 7423174, 5809010, 65273411, 51062284, 131997244, 18714212, 3290529788, 6732681986

Basic calculations (n = 81672486)

Multiplication

n×y
n×2 163344972
n×3 245017458
n×4 326689944
n×5 408362430

Division

n÷y
n÷2 40836243
n÷3 27224162
n÷3 20418121.5
n÷5 16334497.2

Exponentiation

ny
n2 6670394969420196
n3 5.4478773975444E+23
n4 4.4494169048066E+31
n5 3.6339493986598E+39

Nth Root

y√n
2√n 9037.2831094306
3√n 433.86897090032
4√n 95.064625962713
5√n 38.230955730624

Divisors of 81672486

1, 2, 3, 6, 7, 14, 21, 42, 1944583, 3889166, 5833749, 11667498, 13612081, 27224162, 40836243, 81672486

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 -81672485
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 81672486 can be divided by 16 positive divisors. The sum of these divisors (counting 81672486) is 1, the average is 0.0625.

Base conversion 81672486

Base System Value
2 Binary 100110111100011100100100110
3 Ternary 12200200101120220
4 Quaternary 10313203210212
5 Quinary 131402004421
6 Senary 12034305210
8 Octal 467434446
10 Decimal 81672486
12 Duodecimal 23428206
16 Hexadecimal 4de3926
20 Vigesimal 15a9146
36 Base36 1cmiw6

Cryptographic Hash Functions

md5 38ce52318f13576f4fa6f1f7bda2ac0e
sha1 5438dd78211cfef4c09802c5dd92f1c0ec8077ee
sha256 3b5b9f57589cfea613c5958484456d231e67d1dc8576aa7e4bf971883c184d68
sha512 c90a378d79fda1eebf5c5df4cd537b4aea769e9712c3ccc0d733e50afbd6f88792c8922c9ac26b03af87a548fd0d3b976c015223af8d27ddd4611f5c605e7aa6
ripemd-160 7303bf962c71c2246c2ce60eaedd31323a3619b9

81672486 as geometric shapes

Circle

Radius = n
Diameter 163344972
Circumference 513163364.03603
Area 2.0955663832473E+16

Sphere

Radius = n
Volume 2.2820015479711E+24
Surface area 8.3822655329891E+16
Circumference 513163364.03603

Square

Length = n
Perimeter 326689944
Area 6670394969420196
Diagonal 115502337.37393

Cube

Length = n
Surface area 40022369816521176
Volume 5.4478773975444E+23
Space diagonal 141460895.33246

Equilateral Triangle

Length = n
Perimeter 245017458
Area 2.8883657483969E+15
Altitude 70730447.666229

Triangular Pyramid

Length = n
Surface area 2.8883657483969E+15
Volume 6.4203850847943E+22
Height 38500779.124642