81592021 (number)

81592021 is an odd 8-digits composite number following 81592020 and preceding 81592022. In scientific notation, it is written as 8.1592021 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 69875088 positive integers (up to 81592021) that are relatively prime to 81592021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1592021 × 10^7
Engineering notation 8.1592021 × 10^6

Prime Factorization of 81592021

Prime Factorization 7 × 1319 × 8837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81592021
Product of the distinct prime numbers

The prime factorization of 81592021 is 7 × 1319 × 8837. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81592021)

Multiplication

n×y
n×2 163184042
n×3 244776063
n×4 326368084
n×5 407960105

Division

n÷y
n÷2 40796010.5
n÷3 27197340.333333
n÷3 20398005.25
n÷5 16318404.2

Exponentiation

ny
n2 6657257890864441
n3 5.4317912563383E+23
n4 4.4319082625477E+31
n5 3.6160835202786E+39

Nth Root

y√n
2√n 9032.830176639
3√n 433.7264392687
4√n 95.041202521007
5√n 38.223419614045

Divisors of 81592021

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 -81592020
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 81592021 can be divided by 8 positive divisors. The sum of these divisors (counting 81592021) is 1, the average is 0.125.

Base conversion 81592021

Base System Value
2 Binary 100110111001111111011010101
3 Ternary 12200112022012201
4 Quaternary 10313033323111
5 Quinary 131341421041
6 Senary 12032444501
8 Octal 467177325
10 Decimal 81592021
12 Duodecimal 233a9731
16 Hexadecimal 4dcfed5
20 Vigesimal 159j011
36 Base36 1ckst1

Cryptographic Hash Functions

md5 89f5c6540cc0131cc2792717fef9ae2e
sha1 f8c8e81dae0126d8b6268d3d927edee0b3dbe5c6
sha256 a6d9f92262fd01fa2761b2dacd99c046a7c5ba3c1fccd2346b9cfb58c533a2e2
sha512 e63e7b824206305f4510154cbef092f16b785506467174eb3f456e73fddebd256994a3e8c91e7092bb6710de4555b4cb947d93f1c5d6f67e4d65ad3101113f9c
ripemd-160 07b3436330ef48d81c614929d4376eb5b98d6595

81592021 as geometric shapes

Circle

Radius = n
Diameter 163184042
Circumference 512657787.53029
Area 2.0914392482992E+16

Sphere

Radius = n
Volume 2.2752634008994E+24
Surface area 8.365756993197E+16
Circumference 512657787.53029

Square

Length = n
Perimeter 326368084
Area 6657257890864441
Diagonal 115388542.67963

Cube

Length = n
Surface area 39943547345186646
Volume 5.4317912563383E+23
Space diagonal 141321525.86423

Equilateral Triangle

Length = n
Perimeter 244776063
Area 2.8826772265165E+15
Altitude 70660762.932113

Triangular Pyramid

Length = n
Surface area 2.8826772265165E+15
Volume 6.4014273855776E+22
Height 38462847.559877