81681175 (number)

81681175 is an odd 8-digits composite number following 81681174 and preceding 81681176. In scientific notation, it is written as 8.1681175 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 61500800 positive integers (up to 81681175) that are relatively prime to 81681175.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-one thousand one hundred seventy-five

Notation

Scientific notation 8.1681175 × 10^7
Engineering notation 8.1681175 × 10^6

Prime Factorization of 81681175

Prime Factorization 5 × 5 × 17 × 192191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16336235
Product of the distinct prime numbers

The prime factorization of 81681175 is 5 × 5 × 17 × 192191. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 73, 28, 251, 975, 100, 7863, 92025, 98759, 198428, 773601, 3669595, 4462869, 10231315, 1561130, 591124141, 158120089, 2826929230, 5310826754

Basic calculations (n = 81681175)

Multiplication

n×y
n×2 163362350
n×3 245043525
n×4 326724700
n×5 408405875

Division

n÷y
n÷2 40840587.5
n÷3 27227058.333333
n÷3 20420293.75
n÷5 16336235

Exponentiation

ny
n2 6671814349380625
n3 5.4496163543927E+23
n4 4.4513106712601E+31
n5 3.6358828591857E+39

Nth Root

y√n
2√n 9037.7638274078
3√n 433.8843565542
4√n 95.067154303722
5√n 38.231769161573

Divisors of 81681175

1, 5, 17, 25, 85, 425, 192191, 960955, 3267247, 4804775, 16336235, 81681175

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81681174
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81681175 can be divided by 12 positive divisors. The sum of these divisors (counting 81681175) is 1, the average is 0.083333333333333.

Base conversion 81681175

Base System Value
2 Binary 100110111100101101100010111
3 Ternary 12200200211111201
4 Quaternary 10313211230113
5 Quinary 131402244200
6 Senary 12034413331
8 Octal 467455427
10 Decimal 81681175
12 Duodecimal 23431247
16 Hexadecimal 4de5b17
20 Vigesimal 15aa2if
36 Base36 1cmplj

Cryptographic Hash Functions

md5 91d632bf4a697adb8286adb54e6808c0
sha1 7f200a5bb998712cb1578a6688ef28b19c6d56f5
sha256 834200541930b9390ba2fa3feea0fe9d2ebadf3c821096c0c03bde6f66ec88be
sha512 549df33ce3982be9749460bec89f0b1830467751fd24688778f26023d182116752c39099b18dc0b8d0a5c0a6e236d4309916fe1f5fb532b3d369c71c03a93a8b
ripemd-160 a03f5f457b59027dbe6434c6cff48dc57260650a

81681175 as geometric shapes

Circle

Radius = n
Diameter 163362350
Circumference 513217958.63316
Area 2.0960122946129E+16

Sphere

Radius = n
Volume 2.2827299605124E+24
Surface area 8.3840491784517E+16
Circumference 513217958.63316

Square

Length = n
Perimeter 326724700
Area 6671814349380625
Diagonal 115514625.47557

Cube

Length = n
Surface area 40030886096283750
Volume 5.4496163543927E+23
Space diagonal 141475945.12192

Equilateral Triangle

Length = n
Perimeter 245043525
Area 2.8889803579486E+15
Altitude 70737972.560962

Triangular Pyramid

Length = n
Surface area 2.8889803579486E+15
Volume 6.4224344650936E+22
Height 38504875.158523