81641504 (number)

81641504 is an even 8-digits composite number following 81641503 and preceding 81641505. In scientific notation, it is written as 8.1641504 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors. There are 34989120 positive integers (up to 81641504) that are relatively prime to 81641504.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty-one thousand five hundred four

Notation

Scientific notation 8.1641504 × 10^7
Engineering notation 8.1641504 × 10^6

Prime Factorization of 81641504

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 364471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5102594
Product of the distinct prime numbers

The prime factorization of 81641504 is 2 × 2 × 2 × 2 × 2 × 7 × 364471. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 6, 20, 52, 660, 591, 7508, 9000, 3546, 50940, 212104, 565702, 2548777, 4975722, 70581064, 58594419, 400783307, 286402040, 5871788992, 57280102

Basic calculations (n = 81641504)

Multiplication

n×y
n×2 163283008
n×3 244924512
n×4 326566016
n×5 408207520

Division

n÷y
n÷2 40820752
n÷3 27213834.666667
n÷3 20410376
n÷5 16328300.8

Exponentiation

ny
n2 6665335175382016
n3 5.4416798838229E+23
n4 4.4426693000185E+31
n5 3.6270620342814E+39

Nth Root

y√n
2√n 9035.5688254808
3√n 433.81410204054
4√n 95.055609121612
5√n 38.228054750628

Divisors of 81641504

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 364471, 728942, 1457884, 2551297, 2915768, 5102594, 5831536, 10205188, 11663072, 20410376, 40820752, 81641504

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81641503
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81641504 can be divided by 24 positive divisors. The sum of these divisors (counting 81641504) is 1, the average is 0.041666666666667.

Base conversion 81641504

Base System Value
2 Binary 100110111011100000000100000
3 Ternary 12200121211002102
4 Quaternary 10313130000200
5 Quinary 131400012004
6 Senary 12033505532
8 Octal 467340040
10 Decimal 81641504
12 Duodecimal 234122a8
16 Hexadecimal 4ddc020
20 Vigesimal 15a53f4
36 Base36 1cluzk

Cryptographic Hash Functions

md5 927b065e447ca1bbf89a35aec3360968
sha1 ed0e169e37afc5fcfde9398fbaaabe70abf7b483
sha256 1caac717bb72c0883622c3c208fbdbaf036d634796910d77d14c396c0b298abf
sha512 cc895d7f86fce1961a4b05daf961bee37cb29be8da8d3e0efff3598aed50608c898494fb53344d6b5734e8da554b21731c4d2382c9c25b367556cb69e90e5731
ripemd-160 bd99d960e7bfa8f2e8697db8ad581d7497c5cdbe

81641504 as geometric shapes

Circle

Radius = n
Diameter 163283008
Circumference 512968698.38884
Area 2.0939768020694E+16

Sphere

Radius = n
Volume 2.2794055394941E+24
Surface area 8.3759072082775E+16
Circumference 512968698.38884

Square

Length = n
Perimeter 326566016
Area 6665335175382016
Diagonal 115458522.20934

Cube

Length = n
Surface area 39992011052292096
Volume 5.4416798838229E+23
Space diagonal 141407232.93434

Equilateral Triangle

Length = n
Perimeter 244924512
Area 2.8861747933094E+15
Altitude 70703616.467169

Triangular Pyramid

Length = n
Surface area 2.8861747933094E+15
Volume 6.4130812448293E+22
Height 38486174.069779