81188275 (number)

81188275 is an odd 8-digits composite number following 81188274 and preceding 81188276. In scientific notation, it is written as 8.1188275 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 53190720 positive integers (up to 81188275) that are relatively prime to 81188275.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1188275 × 10^7
Engineering notation 8.1188275 × 10^6

Prime Factorization of 81188275

Prime Factorization 35 × 5 × 23 × 23 × 877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3529925
Product of the distinct prime numbers

The prime factorization of 81188275 is 35 × 5 × 23 × 23 × 877. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 7, 35, 966, 535, 7304, 4068, 53009, 59749, 881083, 543572, 6545464, 5441048, 8167316, 84657907, 840112843, 579652473, 9676963118, 824798510

Basic calculations (n = 81188275)

Multiplication

n×y
n×2 162376550
n×3 243564825
n×4 324753100
n×5 405941375

Division

n÷y
n÷2 40594137.5
n÷3 27062758.333333
n÷3 20297068.75
n÷5 16237655

Exponentiation

ny
n2 6591535997475625
n3 5.3515543723545E+23
n4 4.3448346806017E+31
n5 3.5274963287823E+39

Nth Root

y√n
2√n 9010.4536511765
3√n 433.00984568708
4√n 94.92340939503
5√n 38.185515932111

Divisors of 81188275

1, 5, 23, 35, 115, 175, 529, 805, 877, 2645, 4025, 4385, 18515, 20171, 30695, 92575, 100855, 153475, 463933, 705985, 2319665, 3529925, 16237655, 81188275

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 -81188274
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 81188275 can be divided by 24 positive divisors. The sum of these divisors (counting 81188275) is 1, the average is 0.041666666666667.

Base conversion 81188275

Base System Value
2 Binary 100110101101101010110110011
3 Ternary 12122202210101011
4 Quaternary 10311231112303
5 Quinary 131241011100
6 Senary 12020051351
8 Octal 465552663
10 Decimal 81188275
12 Duodecimal 23233b57
16 Hexadecimal 4d6d5b3
20 Vigesimal 1578adf
36 Base36 1cc59v

Cryptographic Hash Functions

md5 0bb8ff94dca4719916d7acd6d2b181a2
sha1 d8098e121ec3ec90528395ceb6905c6359f91b59
sha256 c0dcb476e94651e188d6dd7789bd8f0379e416abdae80d412f6e10b8b395c800
sha512 0c3ec18ed2d17d992bb698da4f5feceb91d984a7060a664312943389734fcf4692d0df953c579357e663400cc32c82b795ad767ef102030e22f2d23629e704ac
ripemd-160 0fc9a67db7fcefcff1bd1ef501145c5c4f9476f5

81188275 as geometric shapes

Circle

Radius = n
Diameter 162376550
Circumference 510120976.59526
Area 2.0707921065542E+16

Sphere

Radius = n
Volume 2.24165385353E+24
Surface area 8.2831684262168E+16
Circumference 510120976.59526

Square

Length = n
Perimeter 324753100
Area 6591535997475625
Diagonal 114817559.61068

Cube

Length = n
Surface area 39549215984853750
Volume 5.3515543723545E+23
Space diagonal 140622217.27887

Equilateral Triangle

Length = n
Perimeter 243564825
Area 2.8542188118867E+15
Altitude 70311108.639437

Triangular Pyramid

Length = n
Surface area 2.8542188118867E+15
Volume 6.3068673109673E+22
Height 38272519.870226