81684967 (number)

81684967 is an odd 8-digits composite number following 81684966 and preceding 81684968. In scientific notation, it is written as 8.1684967 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 62375040 positive integers (up to 81684967) that are relatively prime to 81684967.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1684967 × 10^7
Engineering notation 8.1684967 × 10^6

Prime Factorization of 81684967

Prime Factorization 203 × 169 × 2381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81684967
Product of the distinct prime numbers

The prime factorization of 81684967 is 203 × 169 × 2381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 32, 96, 931, 977, 663, 3248, 29335, 43840, 960755, 711579, 8290906, 8484389, 3880698, 9011053, 516743245, 603426955, 9158440212, 7666597475

Basic calculations (n = 81684967)

Multiplication

n×y
n×2 163369934
n×3 245054901
n×4 326739868
n×5 408424835

Division

n÷y
n÷2 40842483.5
n÷3 27228322.333333
n÷3 20421241.75
n÷5 16336993.4

Exponentiation

ny
n2 6672433833791089
n3 5.4503753752291E+23
n4 4.452137326632E+31
n5 3.636726906054E+39

Nth Root

y√n
2√n 9037.9736113799
3√n 433.89107072476
4√n 95.068257643548
5√n 38.232124132413

Divisors of 81684967

1, 169, 203, 2381, 34307, 402389, 483343, 81684967

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81684966
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81684967 can be divided by 8 positive divisors. The sum of these divisors (counting 81684967) is 1, the average is 0.125.

Base conversion 81684967

Base System Value
2 Binary 100110111100110100111100111
3 Ternary 12200201000201011
4 Quaternary 10313212213213
5 Quinary 131402404332
6 Senary 12034443051
8 Octal 467464747
10 Decimal 81684967
12 Duodecimal 23433487
16 Hexadecimal 4de69e7
20 Vigesimal 15aac87
36 Base36 1cmsiv

Cryptographic Hash Functions

md5 49e5e732307a3ad8d05f119b01e587ff
sha1 4855ff0448112042b3d23faef17290e0264c23f6
sha256 9e5e78546d78c86c009c4b97a6135a0eacebd2a7c27a16a843fbba2068e78307
sha512 0b68e1d6a2378493bd2af855006ea9b3f3e01eba7a0d5ab06d47f24b477752c2dd009aef5ec648687544b9ea264128d7ce341ef41358a1054502b9c521b0603b
ripemd-160 6334dc519a072b94a19c95cc4382a0570e794e82

81684967 as geometric shapes

Circle

Radius = n
Diameter 163369934
Circumference 513241784.47185
Area 2.0962069113802E+16

Sphere

Radius = n
Volume 2.2830478984169E+24
Surface area 8.3848276455208E+16
Circumference 513241784.47185

Square

Length = n
Perimeter 326739868
Area 6672433833791089
Diagonal 115519988.1734

Cube

Length = n
Surface area 40034603002746534
Volume 5.4503753752291E+23
Space diagonal 141482513.05859

Equilateral Triangle

Length = n
Perimeter 245054901
Area 2.8892486025669E+15
Altitude 70741256.529294

Triangular Pyramid

Length = n
Surface area 2.8892486025669E+15
Volume 6.4233289797278E+22
Height 38506662.724466