81672016 (number)

81672016 is an even 8-digits composite number following 81672015 and preceding 81672017. In scientific notation, it is written as 8.1672016 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 40768256 positive integers (up to 81672016) that are relatively prime to 81672016.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy-two thousand sixteen

Notation

Scientific notation 8.1672016 × 10^7
Engineering notation 8.1672016 × 10^6

Prime Factorization of 81672016

Prime Factorization 2 × 2 × 2 × 2 × 653 × 7817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10209002
Product of the distinct prime numbers

The prime factorization of 81672016 is 2 × 2 × 2 × 2 × 653 × 7817. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 33, 15, 694, 312, 1937, 5795, 95197, 1917, 352389, 844312, 5339891, 9633085, 46825015, 61807459, 14421910, 378585874, 1469863150, 7817765696

Basic calculations (n = 81672016)

Multiplication

n×y
n×2 163344032
n×3 245016048
n×4 326688064
n×5 408360080

Division

n÷y
n÷2 40836008
n÷3 27224005.333333
n÷3 20418004
n÷5 16334403.2

Exponentiation

ny
n2 6670318197504256
n3 5.4477833455166E+23
n4 4.4493144855956E+31
n5 3.633844838566E+39

Nth Root

y√n
2√n 9037.2571060029
3√n 433.86813863796
4√n 95.064489195508
5√n 38.230911729048

Divisors of 81672016

1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 7817, 10448, 15634, 31268, 62536, 125072, 5104501, 10209002, 20418004, 40836008, 81672016

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81672015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81672016 can be divided by 20 positive divisors. The sum of these divisors (counting 81672016) is 1, the average is 0.05.

Base conversion 81672016

Base System Value
2 Binary 100110111100011011101010000
3 Ternary 12200200100221111
4 Quaternary 10313203131100
5 Quinary 131402001031
6 Senary 12034303104
8 Octal 467433520
10 Decimal 81672016
12 Duodecimal 23427a94
16 Hexadecimal 4de3750
20 Vigesimal 15a900g
36 Base36 1cmij4

Cryptographic Hash Functions

md5 401395fc0803fea2ab1b1e2bb3de23ad
sha1 35fce38eb25421a8eaa335518ed79661029c7b88
sha256 a9aaad128e0fe10745f0130fb619c47939d10d76e8ef71bac186812a79738372
sha512 530cc84a4e2e3e6e389b9b9aa74fa9828186017491cbabb3f961e523b5beda387d845f60bc07d858ad4488de8c1b2e9720569f1aaf5b980b1a0ff87c623f88c6
ripemd-160 a062f702958dcfa1a560b2fb9e1b3e3f1083f16c

81672016 as geometric shapes

Circle

Radius = n
Diameter 163344032
Circumference 513160410.93894
Area 2.0955422646386E+16

Sphere

Radius = n
Volume 2.2819621515498E+24
Surface area 8.3821690585543E+16
Circumference 513160410.93894

Square

Length = n
Perimeter 326688064
Area 6670318197504256
Diagonal 115501672.69355

Cube

Length = n
Surface area 40021909185025536
Volume 5.4477833455166E+23
Space diagonal 141460081.26858

Equilateral Triangle

Length = n
Perimeter 245016048
Area 2.8883325051822E+15
Altitude 70730040.634289

Triangular Pyramid

Length = n
Surface area 2.8883325051822E+15
Volume 6.4202742434165E+22
Height 38500557.564517