81684966 (number)

81684966 is an even 8-digits composite number following 81684965 and preceding 81684967. In scientific notation, it is written as 8.1684966 × 10^7. The sum of its digits is 48. It has a total of 6 prime factors and 64 positive divisors. There are 22786560 positive integers (up to 81684966) that are relatively prime to 81684966.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-four thousand nine hundred sixty-six

Notation

Scientific notation 8.1684966 × 10^7
Engineering notation 8.1684966 × 10^6

Prime Factorization of 81684966

Prime Factorization 2 × 11 × 3 × 17 × 47 × 1549

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81684966
Product of the distinct prime numbers

The prime factorization of 81684966 is 2 × 11 × 3 × 17 × 47 × 1549. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 4, 9, 69, 355, 580, 4052, 6987, 21557, 87449, 958717, 421631, 3873873, 4553955, 72172324, 22709777, 431242318, 728450131, 539449549, 1510868995

Basic calculations (n = 81684966)

Multiplication

n×y
n×2 163369932
n×3 245054898
n×4 326739864
n×5 408424830

Division

n÷y
n÷2 40842483
n÷3 27228322
n÷3 20421241.5
n÷5 16336993.2

Exponentiation

ny
n2 6672433670421156
n3 5.4503751750561E+23
n4 4.452137108617E+31
n5 3.6367266834472E+39

Nth Root

y√n
2√n 9037.9735560578
3√n 433.89106895417
4√n 95.068257352587
5√n 38.232124038804

Divisors of 81684966

1, 2, 3, 6, 11, 17, 22, 33, 34, 47, 51, 66, 94, 102, 141, 187, 282, 374, 517, 561, 799, 1034, 1122, 1549, 1551, 1598, 2397, 3098, 3102, 4647, 4794, 8789, 9294, 17039, 17578, 26333, 26367, 34078, 51117, 52666, 52734, 72803, 78999, 102234, 145606, 157998, 218409, 289663, 436818, 579326, 800833, 868989, 1237651, 1601666, 1737978, 2402499, 2475302, 3712953, 4804998, 7425906, 13614161, 27228322, 40842483, 81684966

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81684965
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81684966 can be divided by 64 positive divisors. The sum of these divisors (counting 81684966) is 1, the average is 0.015625.

Base conversion 81684966

Base System Value
2 Binary 100110111100110100111100110
3 Ternary 12200201000201010
4 Quaternary 10313212213212
5 Quinary 131402404331
6 Senary 12034443050
8 Octal 467464746
10 Decimal 81684966
12 Duodecimal 23433486
16 Hexadecimal 4de69e6
20 Vigesimal 15aac86
36 Base36 1cmsiu

Cryptographic Hash Functions

md5 0de010618fcb06538b836e675a25b3af
sha1 a9906532a0b5f77e8693eb7341e5dca3c3eb810e
sha256 cd3b33536a895d74f03307990d989c4f447dddbc338811682ebedca508caffe2
sha512 e0246a30ad0bb0160fd1a795407992f4282ebed532011c09304f77c71268dd65764dc3a9b0be0c90317203d9c252a61436ddad131e950fdea87d9506db763486
ripemd-160 f63868afe51fbd15b4be764b6a50bf804a1de3ce

81684966 as geometric shapes

Circle

Radius = n
Diameter 163369932
Circumference 513241778.18866
Area 2.096206860056E+16

Sphere

Radius = n
Volume 2.2830478145686E+24
Surface area 8.3848274402241E+16
Circumference 513241778.18866

Square

Length = n
Perimeter 326739864
Area 6672433670421156
Diagonal 115519986.75919

Cube

Length = n
Surface area 40034602022526936
Volume 5.4503751750561E+23
Space diagonal 141482511.32654

Equilateral Triangle

Length = n
Perimeter 245054898
Area 2.8892485318257E+15
Altitude 70741255.663268

Triangular Pyramid

Length = n
Surface area 2.8892485318257E+15
Volume 6.4233287438216E+22
Height 38506662.253062