81716624 (number)

81716624 is an even 8-digits composite number following 81716623 and preceding 81716625. In scientific notation, it is written as 8.1716624 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 37143040 positive integers (up to 81716624) that are relatively prime to 81716624.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred sixteen thousand six hundred twenty-four

Notation

Scientific notation 8.1716624 × 10^7
Engineering notation 8.1716624 × 10^6

Prime Factorization of 81716624

Prime Factorization 2 × 2 × 2 × 2 × 121 × 42209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10214578
Product of the distinct prime numbers

The prime factorization of 81716624 is 2 × 2 × 2 × 2 × 121 × 42209. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 6, 77, 55, 941, 881, 3955, 289, 18934, 41698, 156645, 378731, 5857132, 321050, 26102417, 79024515, 575570340, 4753935, 7899291724, 4909042188

Basic calculations (n = 81716624)

Multiplication

n×y
n×2 163433248
n×3 245149872
n×4 326866496
n×5 408583120

Division

n÷y
n÷2 40858312
n÷3 27238874.666667
n÷3 20429156
n÷5 16343324.8

Exponentiation

ny
n2 6677606637957376
n3 5.4567147085387E+23
n4 4.4590430411292E+31
n5 3.6437794359177E+39

Nth Root

y√n
2√n 9039.7247745714
3√n 433.94711496436
4√n 95.077467228421
5√n 38.235087044241

Divisors of 81716624

1, 2, 4, 8, 16, 121, 242, 484, 968, 1936, 42209, 84418, 168836, 337672, 675344, 5107289, 10214578, 20429156, 40858312, 81716624

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81716623
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81716624 can be divided by 20 positive divisors. The sum of these divisors (counting 81716624) is 1, the average is 0.05.

Base conversion 81716624

Base System Value
2 Binary 100110111101110010110010000
3 Ternary 12200202122010122
4 Quaternary 10313232112100
5 Quinary 131404412444
6 Senary 12035245412
8 Octal 467562620
10 Decimal 81716624
12 Duodecimal 23449868
16 Hexadecimal 4dee590
20 Vigesimal 15aebb4
36 Base36 1cngy8

Cryptographic Hash Functions

md5 d8d5f4f306f44c206298c46e121aa011
sha1 f6465eb312c84158e7ab031018e883fc40c75dc2
sha256 ebd238885e622683574124bc4678c16156ff135e6ca08c76ffa4fd8f564e6a70
sha512 e46908d3df87734a46cceebaea5d3317669b33b08869a582241a91490af760d313c69cb3cfefdf862b2c71343f0d1725d6aad0703c6b64a206100ae0bcd8ae23
ripemd-160 72bd901569ea766fe4268ab47906583d4cfa5531

81716624 as geometric shapes

Circle

Radius = n
Diameter 163433248
Circumference 513440691.26912
Area 2.0978319957369E+16

Sphere

Radius = n
Volume 2.2857033121441E+24
Surface area 8.3913279829477E+16
Circumference 513440691.26912

Square

Length = n
Perimeter 326866496
Area 6677606637957376
Diagonal 115564757.93214

Cube

Length = n
Surface area 40065639827744256
Volume 5.4567147085387E+23
Space diagonal 141537344.591

Equilateral Triangle

Length = n
Perimeter 245149872
Area 2.8914884924753E+15
Altitude 70768672.295501

Triangular Pyramid

Length = n
Surface area 2.8914884924753E+15
Volume 6.4307999556801E+22
Height 38521585.977381