81726685 (number)

81726685 is an odd 8-digits composite number following 81726684 and preceding 81726686. In scientific notation, it is written as 8.1726685 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 63947520 positive integers (up to 81726685) that are relatively prime to 81726685.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred twenty-six thousand six hundred eighty-five

Notation

Scientific notation 8.1726685 × 10^7
Engineering notation 8.1726685 × 10^6

Prime Factorization of 81726685

Prime Factorization 5 × 79 × 113 × 1831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81726685
Product of the distinct prime numbers

The prime factorization of 81726685 is 5 × 79 × 113 × 1831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 88, 4, 156, 279, 8048, 3095, 93564, 36166, 600582, 807629, 5131262, 2697259, 31348420, 3090651, 558285471, 813835280, 1283567390, 6267890534

Basic calculations (n = 81726685)

Multiplication

n×y
n×2 163453370
n×3 245180055
n×4 326906740
n×5 408633425

Division

n÷y
n÷2 40863342.5
n÷3 27242228.333333
n÷3 20431671.25
n÷5 16345337

Exponentiation

ny
n2 6679251041089225
n3 5.4587304587102E+23
n4 4.4612394469891E+31
n5 3.6460231099366E+39

Nth Root

y√n
2√n 9040.2812456251
3√n 433.96492351029
4√n 95.080393592081
5√n 38.236028503269

Divisors of 81726685

1, 5, 79, 113, 395, 565, 1831, 8927, 9155, 44635, 144649, 206903, 723245, 1034515, 16345337, 81726685

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 -81726684
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 81726685 can be divided by 16 positive divisors. The sum of these divisors (counting 81726685) is 1, the average is 0.0625.

Base conversion 81726685

Base System Value
2 Binary 100110111110000110011011101
3 Ternary 12200210010221021
4 Quaternary 10313300303131
5 Quinary 131410223220
6 Senary 12035404141
8 Octal 467606335
10 Decimal 81726685
12 Duodecimal 23453651
16 Hexadecimal 4df0cdd
20 Vigesimal 15afge5
36 Base36 1cnopp

Cryptographic Hash Functions

md5 535c2295edf080726d6c409a22ca5c37
sha1 4beddf4ee27d5042df183f9b428263e55c8bc7d0
sha256 07fcc894606b03e212bd3077c8ff863ba3bfc6364c76cf6f1ac219199e805e95
sha512 f56d054d4ede75e277b43220b990dfb00cdd748e91d3c58f1be401ec32bb6f168a92fae8ecafa0e9f1bb1303f754cd213eddc39dd06ad1dfe78493cafcf7f304
ripemd-160 cdfb14eaf0d638d154a8be74b6097420be75ced3

81726685 as geometric shapes

Circle

Radius = n
Diameter 163453370
Circumference 513503906.39649
Area 2.0983486002168E+16

Sphere

Radius = n
Volume 2.2865476676014E+24
Surface area 8.3933944008672E+16
Circumference 513503906.39649

Square

Length = n
Perimeter 326906740
Area 6679251041089225
Diagonal 115578986.33479

Cube

Length = n
Surface area 40075506246535350
Volume 5.4587304587102E+23
Space diagonal 141554770.75418

Equilateral Triangle

Length = n
Perimeter 245180055
Area 2.8922005399185E+15
Altitude 70777385.377089

Triangular Pyramid

Length = n
Surface area 2.8922005399185E+15
Volume 6.4331755400392E+22
Height 38526328.778265