81172008 (number)

81172008 is an even 8-digits composite number following 81172007 and preceding 81172009. In scientific notation, it is written as 8.1172008 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 24623616 positive integers (up to 81172008) that are relatively prime to 81172008.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1172008 × 10^7
Engineering notation 8.1172008 × 10^6

Prime Factorization of 81172008

Prime Factorization 2 × 2 × 2 × 153 × 47 × 17 × 83

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20293002
Product of the distinct prime numbers

The prime factorization of 81172008 is 2 × 2 × 2 × 153 × 47 × 17 × 83. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 8, 3, 44, 248, 931, 3196, 5477, 77316, 37635, 298254, 528308, 3228657, 6308327, 67035140, 43338545, 913053488, 150336194, 3192481235, 4992939636

Basic calculations (n = 81172008)

Multiplication

n×y
n×2 162344016
n×3 243516024
n×4 324688032
n×5 405860040

Division

n÷y
n÷2 40586004
n÷3 27057336
n÷3 20293002
n÷5 16234401.6

Exponentiation

ny
n2 6588894882752064
n3 5.3483382813391E+23
n4 4.3413535775956E+31
n5 3.5239638733142E+39

Nth Root

y√n
2√n 9009.5509322052
3√n 432.9809242628
4√n 94.918654289898
5√n 38.18398562844

Divisors of 81172008

1, 2, 4, 8, 17, 34, 47, 68, 83, 94, 136, 153, 166, 188, 306, 332, 376, 612, 664, 799, 1224, 1411, 1598, 2601, 2822, 3196, 3901, 5202, 5644, 6392, 7191, 7802, 10404, 11288, 12699, 14382, 15604, 20808, 25398, 28764, 31208, 50796, 57528, 66317, 101592, 122247, 132634, 215883, 244494, 265268, 431766, 488988, 530536, 596853, 863532, 977976, 1193706, 1727064, 2387412, 4774824, 10146501, 20293002, 40586004, 81172008

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81172007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81172008 can be divided by 64 positive divisors. The sum of these divisors (counting 81172008) is 1, the average is 0.015625.

Base conversion 81172008

Base System Value
2 Binary 100110101101001011000101000
3 Ternary 12122201222001200
4 Quaternary 10311221120220
5 Quinary 131240001013
6 Senary 12015444200
8 Octal 465513050
10 Decimal 81172008
12 Duodecimal 23226660
16 Hexadecimal 4d69628
20 Vigesimal 1576a08
36 Base36 1cbsq0

Cryptographic Hash Functions

md5 d0b2cb5d84017fce9fc5ab0ed47b3ae1
sha1 a40badbca8b17054969b78c8cf54c5e85742774b
sha256 48d2fd84f0d4efee2139051e93d79881465837c0a987f7f8a576fbf92a025620
sha512 846539cac1de2bb76cd302bab9d1eabb21240125ad7e44dc5c880e5ff125c06cd90dadd77189c42151966b837d53e89312c4b2277cff61dbce2024a6eac41348
ripemd-160 4e0a458b05a873c5dc439e873825fabeb0c98fc5

81172008 as geometric shapes

Circle

Radius = n
Diameter 162344016
Circumference 510018768.01986
Area 2.0699623758929E+16

Sphere

Radius = n
Volume 2.2403067004757E+24
Surface area 8.2798495035717E+16
Circumference 510018768.01986

Square

Length = n
Perimeter 324688032
Area 6588894882752064
Diagonal 114794554.59866

Cube

Length = n
Surface area 39533369296512384
Volume 5.3483382813391E+23
Space diagonal 140594042.00839

Equilateral Triangle

Length = n
Perimeter 243516024
Area 2.8530751756643E+15
Altitude 70297021.004194

Triangular Pyramid

Length = n
Surface area 2.8530751756643E+15
Volume 6.3030771113575E+22
Height 38264851.532886