81776720 (number)

81776720 is an even 8-digits composite number following 81776719 and preceding 81776721. In scientific notation, it is written as 8.1776720 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 32710656 positive integers (up to 81776720) that are relatively prime to 81776720.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-six thousand seven hundred twenty

Notation

Scientific notation 8.1776720 × 10^7
Engineering notation 8.1776720 × 10^6

Prime Factorization of 81776720

Prime Factorization 2 × 2 × 2 × 2 × 5 × 1022209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10222090
Product of the distinct prime numbers

The prime factorization of 81776720 is 2 × 2 × 2 × 2 × 5 × 1022209. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 5, 84, 31, 498, 729, 8440, 2077, 82918, 13164, 839674, 682854, 1499284, 8039699, 14893689, 4002151, 216537364, 792184793, 9390000567, 5089143885

Basic calculations (n = 81776720)

Multiplication

n×y
n×2 163553440
n×3 245330160
n×4 327106880
n×5 408883600

Division

n÷y
n÷2 40888360
n÷3 27258906.666667
n÷3 20444180
n÷5 16355344

Exponentiation

ny
n2 6687431933958400
n3 5.4687624878237E+23
n4 4.4721745871327E+31
n5 3.6571976900306E+39

Nth Root

y√n
2√n 9043.0481586686
3√n 434.05346662321
4√n 95.094942865899
5√n 38.240709156475

Divisors of 81776720

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1022209, 2044418, 4088836, 5111045, 8177672, 10222090, 16355344, 20444180, 40888360, 81776720

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 -81776719
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 81776720 can be divided by 20 positive divisors. The sum of these divisors (counting 81776720) is 1, the average is 0.05.

Base conversion 81776720

Base System Value
2 Binary 100110111111101000001010000
3 Ternary 12200212200120102
4 Quaternary 10313331001100
5 Quinary 131413323340
6 Senary 12040431532
8 Octal 467750120
10 Decimal 81776720
12 Duodecimal 234785a8
16 Hexadecimal 4dfd050
20 Vigesimal 15b21g0
36 Base36 1corbk

Cryptographic Hash Functions

md5 c75de691bf63dca9560751d21749905f
sha1 bbaae61539c0ed89f97d7020b247b0aa86e4dff3
sha256 0e257d0c00c39a6ba0596cc52cdbacefad4498936ed88bc83ad36d71171ea006
sha512 dedb7b6fddd6cc7e062d0aaf878c150ef9f64f3b2c0c38794be2d4f4b96f9b847cd19750ca63e4da0a0e9569e8ef1d35e081b822ae3a359fc6154b6b0b8b4f19
ripemd-160 b124cd17a42a8dd2115473c36f3e03702470d468

81776720 as geometric shapes

Circle

Radius = n
Diameter 163553440
Circumference 513818285.57334
Area 2.1009187035105E+16

Sphere

Radius = n
Volume 2.2907498741299E+24
Surface area 8.4036748140422E+16
Circumference 513818285.57334

Square

Length = n
Perimeter 327106880
Area 6687431933958400
Diagonal 115649746.51039

Cube

Length = n
Surface area 40124591603750400
Volume 5.4687624878237E+23
Space diagonal 141641433.91633

Equilateral Triangle

Length = n
Perimeter 245330160
Area 2.8957429704436E+15
Altitude 70820716.958167

Triangular Pyramid

Length = n
Surface area 2.8957429704436E+15
Volume 6.4449983997313E+22
Height 38549915.503462