81742085 (number)

81742085 is an odd 8-digits composite number following 81742084 and preceding 81742086. In scientific notation, it is written as 8.1742085 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 61804800 positive integers (up to 81742085) that are relatively prime to 81742085.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-two thousand eighty-five

Notation

Scientific notation 8.1742085 × 10^7
Engineering notation 8.1742085 × 10^6

Prime Factorization of 81742085

Prime Factorization 5 × 19 × 593 × 1451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81742085
Product of the distinct prime numbers

The prime factorization of 81742085 is 5 × 19 × 593 × 1451. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 25, 14, 3, 441, 9788, 5157, 76722, 96689, 66325, 22017, 9255470, 5035124, 29075735, 91848363, 167585222, 852241009, 3555107794, 942036167

Basic calculations (n = 81742085)

Multiplication

n×y
n×2 163484170
n×3 245226255
n×4 326968340
n×5 408710425

Division

n÷y
n÷2 40871042.5
n÷3 27247361.666667
n÷3 20435521.25
n÷5 16348417

Exponentiation

ny
n2 6681768460147225
n3 5.4618168541967E+23
n4 4.4646029755018E+31
n5 3.6494595591472E+39

Nth Root

y√n
2√n 9041.1329489174
3√n 433.99217956135
4√n 95.084872345276
5√n 38.237469380167

Divisors of 81742085

1, 5, 19, 95, 593, 1451, 2965, 7255, 11267, 27569, 56335, 137845, 860443, 4302215, 16348417, 81742085

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81742084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81742085 can be divided by 16 positive divisors. The sum of these divisors (counting 81742085) is 1, the average is 0.0625.

Base conversion 81742085

Base System Value
2 Binary 100110111110100100100000101
3 Ternary 12200210221001122
4 Quaternary 10313310210011
5 Quinary 131411221320
6 Senary 12040003325
8 Octal 467644405
10 Decimal 81742085
12 Duodecimal 23460545
16 Hexadecimal 4df4905
20 Vigesimal 15ahf45
36 Base36 1co0lh

Cryptographic Hash Functions

md5 a265a76202e311a7e34736509ef5769c
sha1 0917276c2651380fede3ecbb4f388b8eeac2af59
sha256 db45d42ad2cb5e94f903b4b49bd14a6b3ac7b883dc4db5d1171c2bb2c341318a
sha512 5abbdde6812a6d143d111a533ebda884306fff015cb889d8f85900fec67a1b6d0af6f7904a974b6693a910db97be6b23fc82018ff699a36a6ae0389df79d6e4c
ripemd-160 bd8d7dcc3c52cdd007ab39d3a8bb2c24fdebdb77

81742085 as geometric shapes

Circle

Radius = n
Diameter 163484170
Circumference 513600667.45022
Area 2.0991394707387E+16

Sphere

Radius = n
Volume 2.2878404939197E+24
Surface area 8.3965578829546E+16
Circumference 513600667.45022

Square

Length = n
Perimeter 326968340
Area 6681768460147225
Diagonal 115600765.22365

Cube

Length = n
Surface area 40090610760883350
Volume 5.4618168541967E+23
Space diagonal 141581444.33661

Equilateral Triangle

Length = n
Perimeter 245226255
Area 2.8932906143466E+15
Altitude 70790722.168307

Triangular Pyramid

Length = n
Surface area 2.8932906143466E+15
Volume 6.4368128920025E+22
Height 38533588.407885