81744568 (number)

81744568 is an even 8-digits composite number following 81744567 and preceding 81744569. In scientific notation, it is written as 8.1744568 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors. There are 38367232 positive integers (up to 81744568) that are relatively prime to 81744568.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-four thousand five hundred sixty-eight

Notation

Scientific notation 8.1744568 × 10^7
Engineering notation 8.1744568 × 10^6

Prime Factorization of 81744568

Prime Factorization 2 × 2 × 2 × 17 × 647 × 929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20436142
Product of the distinct prime numbers

The prime factorization of 81744568 is 2 × 2 × 2 × 17 × 647 × 929. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 74, 68, 573, 277, 8251, 3506, 19008, 61180, 862924, 418306, 8955529, 9523555, 70994628, 12992876, 468427957, 329098653, 8203642556, 1773137389

Basic calculations (n = 81744568)

Multiplication

n×y
n×2 163489136
n×3 245233704
n×4 326978272
n×5 408722840

Division

n÷y
n÷2 40872284
n÷3 27248189.333333
n÷3 20436142
n÷5 16348913.6

Exponentiation

ny
n2 6682174397506624
n3 5.4623145942484E+23
n4 4.4651454678693E+31
n5 3.6500138732813E+39

Nth Root

y√n
2√n 9041.270264736
3√n 433.99657383663
4√n 95.085594412277
5√n 38.237701677845

Divisors of 81744568

1, 2, 4, 8, 17, 34, 68, 136, 647, 929, 1294, 1858, 2588, 3716, 5176, 7432, 10999, 15793, 21998, 31586, 43996, 63172, 87992, 126344, 601063, 1202126, 2404252, 4808504, 10218071, 20436142, 40872284, 81744568

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81744567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81744568 can be divided by 32 positive divisors. The sum of these divisors (counting 81744568) is 1, the average is 0.03125.

Base conversion 81744568

Base System Value
2 Binary 100110111110101001010111000
3 Ternary 12200211001110121
4 Quaternary 10313311022320
5 Quinary 131411311233
6 Senary 12040023024
8 Octal 467651270
10 Decimal 81744568
12 Duodecimal 23461a74
16 Hexadecimal 4df52b8
20 Vigesimal 15ai188
36 Base36 1co2ig

Cryptographic Hash Functions

md5 c7a121a293607783c5e7278867ff4147
sha1 35b659d8b75c9fe1e9775e7f22083ec9bedd1ff4
sha256 5ccf6610c7b8f96ecb2ab290242ec4f9f170e76f12e912e3189c70ef08abd8c8
sha512 a64148bc9722274ee0a4a97457cbd4dd0443372bb92a7210b5346d76d10bd0ede64fe1ac76bb0e5b53b28e33dc10bcd4fe37793c5b5544dfb6edf8da48cb39e5
ripemd-160 f02157db03e4eb901eab26de47373abddd04a050

81744568 as geometric shapes

Circle

Radius = n
Diameter 163489136
Circumference 513616268.59934
Area 2.0992669997213E+16

Sphere

Radius = n
Volume 2.2880489867849E+24
Surface area 8.397067998885E+16
Circumference 513616268.59934

Square

Length = n
Perimeter 326978272
Area 6682174397506624
Diagonal 115604276.71593

Cube

Length = n
Surface area 40093046385039744
Volume 5.4623145942484E+23
Space diagonal 141585745.01877

Equilateral Triangle

Length = n
Perimeter 245233704
Area 2.8934663903794E+15
Altitude 70792872.509384

Triangular Pyramid

Length = n
Surface area 2.8934663903794E+15
Volume 6.4373994842788E+22
Height 38534758.90531