81592920 (number)

81592920 is an even 8-digits composite number following 81592919 and preceding 81592921. In scientific notation, it is written as 8.1592920 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 64 positive divisors. There are 21757248 positive integers (up to 81592920) that are relatively prime to 81592920.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety-two thousand nine hundred twenty

Notation

Scientific notation 8.1592920 × 10^7
Engineering notation 8.1592920 × 10^6

Prime Factorization of 81592920

Prime Factorization 2 × 2 × 2 × 5 × 3 × 27 × 25183

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20398230
Product of the distinct prime numbers

The prime factorization of 81592920 is 2 × 2 × 2 × 5 × 3 × 27 × 25183. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 8, 83, 66, 164, 493, 7354, 988, 10074, 75639, 832333, 67660, 9967849, 9786946, 78351446, 4609599, 150025942, 382419265, 4884865793, 2689616369

Basic calculations (n = 81592920)

Multiplication

n×y
n×2 163185840
n×3 244778760
n×4 326371680
n×5 407964600

Division

n÷y
n÷2 40796460
n÷3 27197640
n÷3 20398230
n÷5 16318584

Exponentiation

ny
n2 6657404594126400
n3 5.4319708045619E+23
n4 4.4321035929895E+31
n5 3.6162827389451E+39

Nth Root

y√n
2√n 9032.8799394213
3√n 433.72803222935
4√n 95.041464316483
5√n 38.223503844592

Divisors of 81592920

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 27, 30, 40, 54, 60, 81, 108, 120, 135, 162, 216, 270, 324, 405, 540, 648, 810, 1080, 1620, 3240, 25183, 50366, 75549, 100732, 125915, 151098, 201464, 251830, 302196, 377745, 503660, 604392, 679941, 755490, 1007320, 1359882, 1510980, 2039823, 2719764, 3021960, 3399705, 4079646, 5439528, 6799410, 8159292, 10199115, 13598820, 16318584, 20398230, 27197640, 40796460, 81592920

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81592919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81592920 can be divided by 64 positive divisors. The sum of these divisors (counting 81592920) is 1, the average is 0.015625.

Base conversion 81592920

Base System Value
2 Binary 100110111010000001001011000
3 Ternary 12200112100110000
4 Quaternary 10313100021120
5 Quinary 131341433140
6 Senary 12032453000
8 Octal 467201130
10 Decimal 81592920
12 Duodecimal 233aa160
16 Hexadecimal 4dd0258
20 Vigesimal 159j260
36 Base36 1ckti0

Cryptographic Hash Functions

md5 415a67d824b8f7c8096ca8aedb2176eb
sha1 bb0cac212e4606a2af3c109838c659a1e8620516
sha256 072dbca76c2e3f21cc8f49b6e18e8169ce31f584d3ddec5c475126accb593339
sha512 8dbf4f730e3e4f67965ef821ecdf45dcbbafba3104e0106c68a87ba864121320a00bf6a606e66cadb55e07c32b0f298adc57422ef509c746714ef50e5badbf6c
ripemd-160 fd0750981908a6409139e0322487962c294abdaa

81592920 as geometric shapes

Circle

Radius = n
Diameter 163185840
Circumference 512663436.11388
Area 2.0914853364882E+16

Sphere

Radius = n
Volume 2.2753386098834E+24
Surface area 8.365941345953E+16
Circumference 512663436.11388

Square

Length = n
Perimeter 326371680
Area 6657404594126400
Diagonal 115389814.05762

Cube

Length = n
Surface area 39944427564758400
Volume 5.4319708045619E+23
Space diagonal 141323082.9779

Equilateral Triangle

Length = n
Perimeter 244778760
Area 2.8827407508923E+15
Altitude 70661541.488951

Triangular Pyramid

Length = n
Surface area 2.8827407508923E+15
Volume 6.4016389851884E+22
Height 38463271.352541