81834549 (number)

81834549 is an odd 8-digits composite number following 81834548 and preceding 81834550. In scientific notation, it is written as 8.1834549 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 49575680 positive integers (up to 81834549) that are relatively prime to 81834549.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred thirty-four thousand five hundred forty-nine

Notation

Scientific notation 8.1834549 × 10^7
Engineering notation 8.1834549 × 10^6

Prime Factorization of 81834549

Prime Factorization 87 × 17 × 55331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81834549
Product of the distinct prime numbers

The prime factorization of 81834549 is 87 × 17 × 55331. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81834549)

Multiplication

n×y
n×2 163669098
n×3 245503647
n×4 327338196
n×5 409172745

Division

n÷y
n÷2 40917274.5
n÷3 27278183
n÷3 20458637.25
n÷5 16366909.8

Exponentiation

ny
n2 6696893410033401
n3 5.4803725191116E+23
n4 4.4848381345349E+31
n5 3.6701470607766E+39

Nth Root

y√n
2√n 9046.2450221072
3√n 434.15575719967
4√n 95.111750178972
5√n 38.246116066182

Divisors of 81834549

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 -81834548
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 81834549 can be divided by 8 positive divisors. The sum of these divisors (counting 81834549) is 1, the average is 0.125.

Base conversion 81834549

Base System Value
2 Binary 100111000001011001000110101
3 Ternary 12200222121220020
4 Quaternary 10320023020311
5 Quinary 131422201144
6 Senary 12041555353
8 Octal 470131065
10 Decimal 81834549
12 Duodecimal 234a5b59
16 Hexadecimal 4e0b235
20 Vigesimal 15b9679
36 Base36 1cpzxx

Cryptographic Hash Functions

md5 31e204d89a805c9db36a0ac9ffb97190
sha1 630fb5f6037c0050968b0b8bd297b53dcd472317
sha256 379706806f7f7bcdf6c7bd11c787eed8bbf474bb019dd440fcabc2745cca239c
sha512 969b2fca1cd76d8ee7243fca9f75a204a3d536087d1096211d6002a7b20e343a6cc8b30c7a4729526e712035f698306667c6f7e005d1d63dcc569561418fc75d
ripemd-160 5389948f8bdf32bc6869a01eef75995d08cf2557

81834549 as geometric shapes

Circle

Radius = n
Diameter 163669098
Circumference 514181635.89647
Area 2.1038911138835E+16

Sphere

Radius = n
Volume 2.2956130726635E+24
Surface area 8.4155644555339E+16
Circumference 514181635.89647

Square

Length = n
Perimeter 327338196
Area 6696893410033401
Diagonal 115731529.06649

Cube

Length = n
Surface area 40181360460200406
Volume 5.4803725191116E+23
Space diagonal 141741596.68248

Equilateral Triangle

Length = n
Perimeter 245503647
Area 2.8998399097628E+15
Altitude 70870798.341242

Triangular Pyramid

Length = n
Surface area 2.8998399097628E+15
Volume 6.4586809528203E+22
Height 38577176.355495