81752648 (number)

81752648 is an even 8-digits composite number following 81752647 and preceding 81752649. In scientific notation, it is written as 8.1752648 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 40765248 positive integers (up to 81752648) that are relatively prime to 81752648.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty-two thousand six hundred forty-eight

Notation

Scientific notation 8.1752648 × 10^7
Engineering notation 8.1752648 × 10^6

Prime Factorization of 81752648

Prime Factorization 2 × 2 × 2 × 373 × 27397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20438162
Product of the distinct prime numbers

The prime factorization of 81752648 is 2 × 2 × 2 × 373 × 27397. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 89, 50, 721, 287, 8450, 6333, 95663, 33506, 171576, 242939, 2914086, 2002763, 8813620, 98098326, 205707714, 556890842, 570994964, 6050160445

Basic calculations (n = 81752648)

Multiplication

n×y
n×2 163505296
n×3 245257944
n×4 327010592
n×5 408763240

Division

n÷y
n÷2 40876324
n÷3 27250882.666667
n÷3 20438162
n÷5 16350529.6

Exponentiation

ny
n2 6683495455011904
n3 5.4639345134319E+23
n4 4.4669111497165E+31
n5 3.6518181487005E+39

Nth Root

y√n
2√n 9041.7170935614
3√n 434.01087275528
4√n 95.08794399692
5√n 38.238457565171

Divisors of 81752648

1, 2, 4, 8, 373, 746, 1492, 2984, 27397, 54794, 109588, 219176, 10219081, 20438162, 40876324, 81752648

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81752647
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81752648 can be divided by 16 positive divisors. The sum of these divisors (counting 81752648) is 1, the average is 0.0625.

Base conversion 81752648

Base System Value
2 Binary 100110111110111001001001000
3 Ternary 12200211110112212
4 Quaternary 10313313021020
5 Quinary 131412041043
6 Senary 12040124252
8 Octal 467671110
10 Decimal 81752648
12 Duodecimal 23466688
16 Hexadecimal 4df7248
20 Vigesimal 15aj1c8
36 Base36 1co8qw

Cryptographic Hash Functions

md5 b494bc5656f2bb42c792aced6c650810
sha1 0650b259e798916ee9725da6ff324f862338d597
sha256 d9bb82cdd2a148e12e2021a41e78106b47037ee8baea119f3e08c4183c5dd2ce
sha512 ed4232607d101350dbedd20f373d99962dada97e00264908738f794e6471e73e28cd44dd5e83cc3b27a9c78cda7aec7ac46f995f611e9dde5885830de5e9fc4f
ripemd-160 45258cff72987dbf13b2b0407939455e7ef4fc15

81752648 as geometric shapes

Circle

Radius = n
Diameter 163505296
Circumference 513667036.73662
Area 2.0996820221766E+16

Sphere

Radius = n
Volume 2.2887275369458E+24
Surface area 8.3987280887065E+16
Circumference 513667036.73662

Square

Length = n
Perimeter 327010592
Area 6683495455011904
Diagonal 115615703.56151

Cube

Length = n
Surface area 40100972730071424
Volume 5.4639345134319E+23
Space diagonal 141599739.98929

Equilateral Triangle

Length = n
Perimeter 245257944
Area 2.8940384250591E+15
Altitude 70799869.994647

Triangular Pyramid

Length = n
Surface area 2.8940384250591E+15
Volume 6.4393085773448E+22
Height 38538567.853838