81342621 (number)

81342621 is an odd 8-digits composite number following 81342620 and preceding 81342622. In scientific notation, it is written as 8.1342621 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 54228408 positive integers (up to 81342621) that are relatively prime to 81342621.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-two thousand six hundred twenty-one

Notation

Scientific notation 8.1342621 × 10^7
Engineering notation 8.1342621 × 10^6

Prime Factorization of 81342621

Prime Factorization 3 × 3 × 9038069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27114207
Product of the distinct prime numbers

The prime factorization of 81342621 is 3 × 3 × 9038069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81342621)

Multiplication

n×y
n×2 162685242
n×3 244027863
n×4 325370484
n×5 406713105

Division

n÷y
n÷2 40671310.5
n÷3 27114207
n÷3 20335655.25
n÷5 16268524.2

Exponentiation

ny
n2 6616621991149641
n3 5.3821337492635E+23
n4 4.3779686573765E+31
n5 3.5611544524686E+39

Nth Root

y√n
2√n 9019.0144140033
3√n 433.28406849538
4√n 94.968491690683
5√n 38.200023704102

Divisors of 81342621

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81342620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81342621 can be divided by 6 positive divisors. The sum of these divisors (counting 81342621) is 1, the average is 0.16666666666667.

Base conversion 81342621

Base System Value
2 Binary 100110110010011000010011101
3 Ternary 12200001122002200
4 Quaternary 10312103002131
5 Quinary 131310430441
6 Senary 12023242113
8 Octal 466230235
10 Decimal 81342621
12 Duodecimal 232a9339
16 Hexadecimal 4d9309d
20 Vigesimal 1587gb1
36 Base36 1cfgd9

Cryptographic Hash Functions

md5 ecf664fbdce06ee772118b069f584f24
sha1 a36829abe1e98de7655fd70df36cd3cf2773a402
sha256 d8ed00c198c2e9feb9d14aee9db5f3eb7a478d410ef03c8a89664fbe8542bb30
sha512 e5e45a97743f20506e0e8e17cf7fdfba1013616e762b680134218427b1811462da93936f544cb51e107522520fedb8742d74886f326d1b93a5ab863c89959cf1
ripemd-160 0bfdd0c6b595ac9589d6d287426c61821dd718ff

81342621 as geometric shapes

Circle

Radius = n
Diameter 162685242
Circumference 511090761.11468
Area 2.0786731038976E+16

Sphere

Radius = n
Volume 2.2544629129765E+24
Surface area 8.3146924155906E+16
Circumference 511090761.11468

Square

Length = n
Perimeter 325370484
Area 6616621991149641
Diagonal 115035837.81717

Cube

Length = n
Surface area 39699731946897846
Volume 5.3821337492635E+23
Space diagonal 140889552.39282

Equilateral Triangle

Length = n
Perimeter 244027863
Area 2.8650813657872E+15
Altitude 70444776.19641

Triangular Pyramid

Length = n
Surface area 2.8650813657872E+15
Volume 6.342905452262E+22
Height 38345279.272392