81170091 (number)

81170091 is an odd 8-digits composite number following 81170090 and preceding 81170092. In scientific notation, it is written as 8.1170091 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 54113388 positive integers (up to 81170091) that are relatively prime to 81170091.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy thousand ninety-one

Notation

Scientific notation 8.1170091 × 10^7
Engineering notation 8.1170091 × 10^6

Prime Factorization of 81170091

Prime Factorization 9 × 9018899

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81170091
Product of the distinct prime numbers

The prime factorization of 81170091 is 9 × 9018899. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81170091)

Multiplication

n×y
n×2 162340182
n×3 243510273
n×4 324680364
n×5 405850455

Division

n÷y
n÷2 40585045.5
n÷3 27056697
n÷3 20292522.75
n÷5 16234018.2

Exponentiation

ny
n2 6588583672948281
n3 5.3479593629433E+23
n4 4.3409434815441E+31
n5 3.5235477742279E+39

Nth Root

y√n
2√n 9009.4445444766
3√n 432.9775157357
4√n 94.918093872963
5√n 38.183805272197

Divisors of 81170091

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81170090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81170091 can be divided by 4 positive divisors. The sum of these divisors (counting 81170091) is 1, the average is 0.25.

Base conversion 81170091

Base System Value
2 Binary 100110101101000111010101011
3 Ternary 12122201212102200
4 Quaternary 10311220322223
5 Quinary 131234420331
6 Senary 12015431243
8 Octal 465507253
10 Decimal 81170091
12 Duodecimal 23225523
16 Hexadecimal 4d68eab
20 Vigesimal 157654b
36 Base36 1cbr8r

Cryptographic Hash Functions

md5 c6f218ee7813d26a780e0539652911ef
sha1 568879d2b92f8034ec6095a525af5e0447235ca1
sha256 63d23fbe83eca746262136278fa68ba3affb14f04a762bd11997027e3d1aa30d
sha512 affd4f7723e320263845ef8e47ad45745ff9203d36bbae94e3e94986df592e42bf805c1024b77a23ae7678a6ca15178a62ad880083151afda49e93a811e59181
ripemd-160 e85a4a8a77afb97cd9fb262d6504647b890f4bb3

81170091 as geometric shapes

Circle

Radius = n
Diameter 162340182
Circumference 510006723.15363
Area 2.0698646064496E+16

Sphere

Radius = n
Volume 2.2401479795092E+24
Surface area 8.2794584257984E+16
Circumference 510006723.15363

Square

Length = n
Perimeter 324680364
Area 6588583672948281
Diagonal 114791843.55126

Cube

Length = n
Surface area 39531502037689686
Volume 5.3479593629433E+23
Space diagonal 140590721.66699

Equilateral Triangle

Length = n
Perimeter 243510273
Area 2.8529404178663E+15
Altitude 70295360.833495

Triangular Pyramid

Length = n
Surface area 2.8529404178663E+15
Volume 6.3026305517454E+22
Height 38263947.850419