81679560 (number)

81679560 is an even 8-digits composite number following 81679559 and preceding 81679561. In scientific notation, it is written as 8.1679560 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 20499456 positive integers (up to 81679560) that are relatively prime to 81679560.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy-nine thousand five hundred sixty

Notation

Scientific notation 8.1679560 × 10^7
Engineering notation 8.1679560 × 10^6

Prime Factorization of 81679560

Prime Factorization 2 × 2 × 2 × 3 × 5 × 17 × 40039

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20419890
Product of the distinct prime numbers

The prime factorization of 81679560 is 2 × 2 × 2 × 3 × 5 × 17 × 40039. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 1, 73, 33, 339, 624, 8408, 3106, 13429, 15339, 849169, 607689, 3017801, 4874125, 50764445, 11928853, 677098948, 319621617, 9493789416, 3731538232

Basic calculations (n = 81679560)

Multiplication

n×y
n×2 163359120
n×3 245038680
n×4 326718240
n×5 408397800

Division

n÷y
n÷2 40839780
n÷3 27226520
n÷3 20419890
n÷5 16335912

Exponentiation

ny
n2 6671550521793600
n3 5.4492931113787E+23
n4 4.4509586364844E+31
n5 3.6355234300625E+39

Nth Root

y√n
2√n 9037.6744796435
3√n 433.88149694853
4√n 95.06668438335
5√n 38.231617976687

Divisors of 81679560

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 40039, 80078, 120117, 160156, 200195, 240234, 320312, 400390, 480468, 600585, 680663, 800780, 960936, 1201170, 1361326, 1601560, 2041989, 2402340, 2722652, 3403315, 4083978, 4804680, 5445304, 6806630, 8167956, 10209945, 13613260, 16335912, 20419890, 27226520, 40839780, 81679560

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 -81679559
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 81679560 can be divided by 64 positive divisors. The sum of these divisors (counting 81679560) is 1, the average is 0.015625.

Base conversion 81679560

Base System Value
2 Binary 100110111100101010011001000
3 Ternary 12200200202021220
4 Quaternary 10313211103020
5 Quinary 131402221220
6 Senary 12034402040
8 Octal 467452310
10 Decimal 81679560
12 Duodecimal 23430320
16 Hexadecimal 4de54c8
20 Vigesimal 15a9ii0
36 Base36 1cmoco

Cryptographic Hash Functions

md5 136648038a78f6ae23e828a5f50e7f34
sha1 a375be8b9cdff2fb023f0d3fc91e07c95ca8dbca
sha256 e46c012cbe87558981d0dbaa054f23e3faba8b1c1152a64471ba1053734e038d
sha512 dc9070dbe9e67bf38005044a1e64271c3e9a3159a77c811542537d8831ff2131f54e5c6c411004504d55c62a88736c8bce6b1e2ec2064d6b81cf523d65927a9d
ripemd-160 c929d213da3c38ed40443edf93759cad4c443d8c

81679560 as geometric shapes

Circle

Radius = n
Diameter 163359120
Circumference 513207811.28889
Area 2.095929410732E+16

Sphere

Radius = n
Volume 2.2825945607953E+24
Surface area 8.383717642928E+16
Circumference 513207811.28889

Square

Length = n
Perimeter 326718240
Area 6671550521793600
Diagonal 115512341.52067

Cube

Length = n
Surface area 40029303130761600
Volume 5.4492931113787E+23
Space diagonal 141473147.85987

Equilateral Triangle

Length = n
Perimeter 245038680
Area 2.8888661172523E+15
Altitude 70736573.929935

Triangular Pyramid

Length = n
Surface area 2.8888661172523E+15
Volume 6.4220535195484E+22
Height 38504113.840222