81559964 (number)

81559964 is an even 8-digits composite number following 81559963 and preceding 81559965. In scientific notation, it is written as 8.1559964 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors. There are 40779980 positive integers (up to 81559964) that are relatively prime to 81559964.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-nine thousand nine hundred sixty-four

Notation

Scientific notation 8.1559964 × 10^7
Engineering notation 8.1559964 × 10^6

Prime Factorization of 81559964

Prime Factorization 2 × 2 × 20389991

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40779982
Product of the distinct prime numbers

The prime factorization of 81559964 is 2 × 2 × 20389991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81559964)

Multiplication

n×y
n×2 163119928
n×3 244679892
n×4 326239856
n×5 407799820

Division

n÷y
n÷2 40779982
n÷3 27186654.666667
n÷3 20389991
n÷5 16311992.8

Exponentiation

ny
n2 6652027727681296
n3 5.4253914199669E+23
n4 4.4249472889841E+31
n5 3.6089854159144E+39

Nth Root

y√n
2√n 9031.0555307782
3√n 433.66962901684
4√n 95.031865870234
5√n 38.22041559291

Divisors of 81559964

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 -81559963
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 81559964 can be divided by 6 positive divisors. The sum of these divisors (counting 81559964) is 1, the average is 0.16666666666667.

Base conversion 81559964

Base System Value
2 Binary 100110111001000000110011100
3 Ternary 12200110200020102
4 Quaternary 10313020012130
5 Quinary 131334404324
6 Senary 12032040232
8 Octal 467100634
10 Decimal 81559964
12 Duodecimal 23393078
16 Hexadecimal 4dc819c
20 Vigesimal 159eji4
36 Base36 1ck42k

Cryptographic Hash Functions

md5 4b3e019c78e4d5ea91fe201d3ce3346b
sha1 c7019f66ae27096d2ee1f4ae0ba198a18c315ba2
sha256 66d5609f53bba035e1453af9a1d345ada29b129952432e97e286aacfd64f38eb
sha512 0120ff3461d1a6e18b626a4a481c4c4904fb3ba74cac85e4c2dc6e19a15490250a700e65198ad1a22d0dbe8e388bfc39c6849389e2ad6d6746ab1c3a3e6bb9ca
ripemd-160 7961c87909af852c9cfc8ffc260786428c8604f6

81559964 as geometric shapes

Circle

Radius = n
Diameter 163119928
Circumference 512456367.4589
Area 2.0897961440759E+16

Sphere

Radius = n
Volume 2.2725826437089E+24
Surface area 8.3591845763037E+16
Circumference 512456367.4589

Square

Length = n
Perimeter 326239856
Area 6652027727681296
Diagonal 115343207.23546

Cube

Length = n
Surface area 39912166366087776
Volume 5.4253914199669E+23
Space diagonal 141266001.51149

Equilateral Triangle

Length = n
Perimeter 244679892
Area 2.8804124994252E+15
Altitude 70633000.755744

Triangular Pyramid

Length = n
Surface area 2.8804124994252E+15
Volume 6.3938851060832E+22
Height 38447735.745154