81532008 (number)

81532008 is an even 8-digits composite number following 81532007 and preceding 81532009. In scientific notation, it is written as 8.1532008 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 27177120 positive integers (up to 81532008) that are relatively prime to 81532008.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred thirty-two thousand eight

Notation

Scientific notation 8.1532008 × 10^7
Engineering notation 8.1532008 × 10^6

Prime Factorization of 81532008

Prime Factorization 2 × 2 × 2 × 81 × 125821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20383002
Product of the distinct prime numbers

The prime factorization of 81532008 is 2 × 2 × 2 × 81 × 125821. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 60, 14, 681, 672, 5758, 5885, 49075, 9500, 375742, 207721, 2410291, 7973667, 77771911, 48083832, 455587899, 773462906, 9221850519, 4284931908

Basic calculations (n = 81532008)

Multiplication

n×y
n×2 163064016
n×3 244596024
n×4 326128032
n×5 407660040

Division

n÷y
n÷2 40766004
n÷3 27177336
n÷3 20383002
n÷5 16306401.6

Exponentiation

ny
n2 6647468328512064
n3 5.4198144093999E+23
n4 4.4188835178571E+31
n5 3.6028044632899E+39

Nth Root

y√n
2√n 9029.5076277724
3√n 433.62007425568
4√n 95.023721395094
5√n 38.217795100176

Divisors of 81532008

1, 2, 4, 8, 81, 162, 324, 648, 125821, 251642, 503284, 1006568, 10191501, 20383002, 40766004, 81532008

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81532007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81532008 can be divided by 16 positive divisors. The sum of these divisors (counting 81532008) is 1, the average is 0.0625.

Base conversion 81532008

Base System Value
2 Binary 100110111000001010001101000
3 Ternary 12200102020220000
4 Quaternary 10313001101220
5 Quinary 131333011013
6 Senary 12031303000
8 Octal 467012150
10 Decimal 81532008
12 Duodecimal 2337aa60
16 Hexadecimal 4dc1468
20 Vigesimal 159ba08
36 Base36 1cjii0

Cryptographic Hash Functions

md5 44903e57b354c0843c35d918656576f8
sha1 b8f3e5e031e6c554702647216ccbb7d8a80e953d
sha256 5a666157ce98206691639713618928e4f3701914efb0f150d978e5f12bdaf8fa
sha512 ade2dc6c6c7aca8b8a5feff7e8434d2fbb2f296cbcaf04b5505bca9768ca40836f41da8bc34ebc682ebb0dd9430d2e5d54e92783fef625fb1edc54da17843d5b
ripemd-160 b68d22bb0ad5068bfc0f0afdf5a6676c6d332104

81532008 as geometric shapes

Circle

Radius = n
Diameter 163064016
Circumference 512280714.73045
Area 2.0883637665824E+16

Sphere

Radius = n
Volume 2.2702465509855E+24
Surface area 8.3534550663297E+16
Circumference 512280714.73045

Square

Length = n
Perimeter 326128032
Area 6647468328512064
Diagonal 115303671.48111

Cube

Length = n
Surface area 39884809971072384
Volume 5.4198144093999E+23
Space diagonal 141217580.29911

Equilateral Triangle

Length = n
Perimeter 244596024
Area 2.878438221672E+15
Altitude 70608790.149556

Triangular Pyramid

Length = n
Surface area 2.878438221672E+15
Volume 6.3873125360987E+22
Height 38434557.160371