81382008 (number)

81382008 is an even 8-digits composite number following 81382007 and preceding 81382009. In scientific notation, it is written as 8.1382008 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 26783328 positive integers (up to 81382008) that are relatively prime to 81382008.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred eighty-two thousand eight

Notation

Scientific notation 8.1382008 × 10^7
Engineering notation 8.1382008 × 10^6

Prime Factorization of 81382008

Prime Factorization 2 × 2 × 2 × 3 × 79 × 42923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20345502
Product of the distinct prime numbers

The prime factorization of 81382008 is 2 × 2 × 2 × 3 × 79 × 42923. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 8, 95, 8, 482, 997, 1293, 6501, 67860, 6784, 651378, 380233, 7205390, 6855459, 36588077, 42206948, 986453969, 915534078, 47497561, 7952858108

Basic calculations (n = 81382008)

Multiplication

n×y
n×2 162764016
n×3 244146024
n×4 325528032
n×5 406910040

Division

n÷y
n÷2 40691004
n÷3 27127336
n÷3 20345502
n÷5 16276401.6

Exponentiation

ny
n2 6623031226112064
n3 5.389955802277E+23
n4 4.3864542622055E+31
n5 3.5697845585845E+39

Nth Root

y√n
2√n 9021.1977031878
3√n 433.35399086268
4√n 94.979985803261
5√n 38.203722362899

Divisors of 81382008

1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 42923, 85846, 128769, 171692, 257538, 343384, 515076, 1030152, 3390917, 6781834, 10172751, 13563668, 20345502, 27127336, 40691004, 81382008

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81382007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81382008 can be divided by 32 positive divisors. The sum of these divisors (counting 81382008) is 1, the average is 0.03125.

Base conversion 81382008

Base System Value
2 Binary 100110110011100101001111000
3 Ternary 12200010122010110
4 Quaternary 10312130221320
5 Quinary 131313211013
6 Senary 12024144320
8 Octal 466345170
10 Decimal 81382008
12 Duodecimal 233080a0
16 Hexadecimal 4d9ca78
20 Vigesimal 158cf08
36 Base36 1cgarc

Cryptographic Hash Functions

md5 6ced571006319e2280dbdf0698e4f746
sha1 dafdefb7cd98fa7063f9474ff1b84cfe653bcfd7
sha256 5f42572d8181d60bf78a9b190768034aa731bbba9afee7e94badfd2edcc67b9d
sha512 b923c6b848d84480261a3813df05c2fa8502e5ee80bdee5e1ea8f861ef80ceacdf86318e1dcdb576ea4a73befb81db83293fb4c2fef5304418d5f1d53d288889
ripemd-160 36678e14cb0caf8576b83fd4a1aba651fc03ea34

81382008 as geometric shapes

Circle

Radius = n
Diameter 162764016
Circumference 511338236.93437
Area 2.0806866244449E+16

Sphere

Radius = n
Volume 2.257739406881E+24
Surface area 8.3227464977798E+16
Circumference 511338236.93437

Square

Length = n
Perimeter 325528032
Area 6623031226112064
Diagonal 115091539.44676

Cube

Length = n
Surface area 39738187356672384
Volume 5.389955802277E+23
Space diagonal 140957772.67798

Equilateral Triangle

Length = n
Perimeter 244146024
Area 2.8678566459353E+15
Altitude 70478886.338988

Triangular Pyramid

Length = n
Surface area 2.8678566459353E+15
Volume 6.3521238301431E+22
Height 38363846.482252