81580149 (number)

81580149 is an odd 8-digits composite number following 81580148 and preceding 81580150. In scientific notation, it is written as 8.1580149 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 64 positive divisors. There are 44473968 positive integers (up to 81580149) that are relatively prime to 81580149.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred eighty thousand one hundred forty-nine

Notation

Scientific notation 8.1580149 × 10^7
Engineering notation 8.1580149 × 10^6

Prime Factorization of 81580149

Prime Factorization 3 × 23 × 7 × 3 × 3 × 7 × 7 × 383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 184989
Product of the distinct prime numbers

The prime factorization of 81580149 is 3 × 23 × 7 × 3 × 3 × 7 × 7 × 383. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 10, 12, 38, 633, 69, 4391, 2427, 96713, 65468, 268405, 911700, 3163317, 435302, 68888073, 5805686, 183843921, 580936892, 9573508406, 387775357

Basic calculations (n = 81580149)

Multiplication

n×y
n×2 163160298
n×3 244740447
n×4 326320596
n×5 407900745

Division

n÷y
n÷2 40790074.5
n÷3 27193383
n÷3 20395037.25
n÷5 16316029.8

Exponentiation

ny
n2 6655320710862201
n3 5.4294205523492E+23
n4 4.4293293764431E+31
n5 3.6134535050031E+39

Nth Root

y√n
2√n 9032.1729943574
3√n 433.70540187645
4√n 95.037745103498
5√n 38.22230721397

Divisors of 81580149

1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 343, 383, 441, 483, 621, 1029, 1127, 1149, 1323, 1449, 2681, 3087, 3381, 3447, 4347, 7889, 8043, 8809, 9261, 10143, 10341, 18767, 23667, 24129, 26427, 30429, 56301, 61663, 71001, 72387, 79281, 131369, 168903, 184989, 213003, 237843, 394107, 431641, 506709, 554967, 1182321, 1294923, 1664901, 3021487, 3546963, 3884769, 9064461, 11654307, 27193383, 81580149

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 -81580148
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 81580149 can be divided by 64 positive divisors. The sum of these divisors (counting 81580149) is 1, the average is 0.015625.

Base conversion 81580149

Base System Value
2 Binary 100110111001101000001110101
3 Ternary 12200111200221000
4 Quaternary 10313031001311
5 Quinary 131341031044
6 Senary 12032313513
8 Octal 467150165
10 Decimal 81580149
12 Duodecimal 233a2899
16 Hexadecimal 4dcd075
20 Vigesimal 159ha79
36 Base36 1ckjn9

Cryptographic Hash Functions

md5 8114330b06fa3f04b2276a5759de46b9
sha1 7ab0441116cf0f2b71406a0b8187c180e190ffa1
sha256 3c2b9566a21eaf07a134e67148b3f5ae7f0a21f445de8c0045ce1696c4dbdc2c
sha512 725d2aab5df088a4e062f9b2a2f60aeb84ecdee3d39aee200a16b4920f6d16e7236aedd0a78702ec5326db8fe30ad5596b35291730919b33214b3c77d8fd87de
ripemd-160 4c145569a0e1893c99e07ecd0d08086fe2188a0c

81580149 as geometric shapes

Circle

Radius = n
Diameter 163160298
Circumference 512583193.55432
Area 2.0908306652529E+16

Sphere

Radius = n
Volume 2.2742703627346E+24
Surface area 8.3633226610115E+16
Circumference 512583193.55432

Square

Length = n
Perimeter 326320596
Area 6655320710862201
Diagonal 115371753.13622

Cube

Length = n
Surface area 39931924265173206
Volume 5.4294205523492E+23
Space diagonal 141300962.95704

Equilateral Triangle

Length = n
Perimeter 244740447
Area 2.8818384029697E+15
Altitude 70650481.47852

Triangular Pyramid

Length = n
Surface area 2.8818384029697E+15
Volume 6.3986334841329E+22
Height 38457251.045406