81716641 (number)

81716641 is an odd 8-digits composite number following 81716640 and preceding 81716642. In scientific notation, it is written as 8.1716641 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 79699200 positive integers (up to 81716641) that are relatively prime to 81716641.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred sixteen thousand six hundred forty-one

Notation

Scientific notation 8.1716641 × 10^7
Engineering notation 8.1716641 × 10^6

Prime Factorization of 81716641

Prime Factorization 43 × 1601 × 1187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81716641
Product of the distinct prime numbers

The prime factorization of 81716641 is 43 × 1601 × 1187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 63, 34, 768, 869, 6055, 613, 32229, 57994, 288464, 960071, 4419503, 7415279, 53062914, 43787360, 730829849, 934719961, 5514684980, 6509274905

Basic calculations (n = 81716641)

Multiplication

n×y
n×2 163433282
n×3 245149923
n×4 326866564
n×5 408583205

Division

n÷y
n÷2 40858320.5
n÷3 27238880.333333
n÷3 20429160.25
n÷5 16343328.2

Exponentiation

ny
n2 6677609416322881
n3 5.4567181141188E+23
n4 4.4590467516964E+31
n5 3.6437832261059E+39

Nth Root

y√n
2√n 9039.7257148655
3√n 433.94714505656
4√n 95.077472173304
5√n 38.235088635096

Divisors of 81716641

1, 43, 1187, 1601, 51041, 68843, 1900387, 81716641

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 -81716640
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 81716641 can be divided by 8 positive divisors. The sum of these divisors (counting 81716641) is 1, the average is 0.125.

Base conversion 81716641

Base System Value
2 Binary 100110111101110010110100001
3 Ternary 12200202122011021
4 Quaternary 10313232112201
5 Quinary 131404413031
6 Senary 12035245441
8 Octal 467562641
10 Decimal 81716641
12 Duodecimal 23449881
16 Hexadecimal 4dee5a1
20 Vigesimal 15aebc1
36 Base36 1cngyp

Cryptographic Hash Functions

md5 2c9056f95605b3987660f9a9757c6dac
sha1 29e1d777d3badc16744c3bbd5c1bc8a0146f1b1c
sha256 94bd57a9f87320bee59bb5f5baca3d0abdfea8df5cf24be9dfa78a3001dd6480
sha512 50d3753155911646423836a7238cc519104258d3dce5e305cf260a45ebce5fb339ae04089799b08038bbe359c794ef43b6ac2872629f4a351428c9b6ad4cfc29
ripemd-160 15212cf3b23b9f28ff311b539246b6f6803d1255

81716641 as geometric shapes

Circle

Radius = n
Diameter 163433282
Circumference 513440798.08327
Area 2.0978328685862E+16

Sphere

Radius = n
Volume 2.2857047386701E+24
Surface area 8.3913314743448E+16
Circumference 513440798.08327

Square

Length = n
Perimeter 326866564
Area 6677609416322881
Diagonal 115564781.97377

Cube

Length = n
Surface area 40065656497937286
Volume 5.4567181141188E+23
Space diagonal 141537374.03587

Equilateral Triangle

Length = n
Perimeter 245149923
Area 2.8914896955429E+15
Altitude 70768687.017933

Triangular Pyramid

Length = n
Surface area 2.8914896955429E+15
Volume 6.4308039691947E+22
Height 38521593.991258