81752646 (number)

81752646 is an even 8-digits composite number following 81752645 and preceding 81752647. In scientific notation, it is written as 8.1752646 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 26455520 positive integers (up to 81752646) that are relatively prime to 81752646.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1752646 × 10^7
Engineering notation 8.1752646 × 10^6

Prime Factorization of 81752646

Prime Factorization 2 × 3 × 131 × 47 × 2213

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81752646
Product of the distinct prime numbers

The prime factorization of 81752646 is 2 × 3 × 131 × 47 × 2213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 74, 52, 642, 857, 2861, 7371, 90096, 33139, 930626, 60284, 3818161, 7334717, 54376252, 84470622, 188651856, 207504425, 1815716162, 7462129713

Basic calculations (n = 81752646)

Multiplication

n×y
n×2 163505292
n×3 245257938
n×4 327010584
n×5 408763230

Division

n÷y
n÷2 40876323
n÷3 27250882
n÷3 20438161.5
n÷5 16350529.2

Exponentiation

ny
n2 6683495128001316
n3 5.4639341124222E+23
n4 4.4669107126017E+31
n5 3.6518177020094E+39

Nth Root

y√n
2√n 9041.7169829629
3√n 434.01086921606
4√n 95.087943415361
5√n 38.238457378078

Divisors of 81752646

1, 2, 3, 6, 47, 94, 131, 141, 262, 282, 393, 786, 2213, 4426, 6157, 6639, 12314, 13278, 18471, 36942, 104011, 208022, 289903, 312033, 579806, 624066, 869709, 1739418, 13625441, 27250882, 40876323, 81752646

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 -81752645
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 81752646 can be divided by 32 positive divisors. The sum of these divisors (counting 81752646) is 1, the average is 0.03125.

Base conversion 81752646

Base System Value
2 Binary 100110111110111001001000110
3 Ternary 12200211110112210
4 Quaternary 10313313021012
5 Quinary 131412041041
6 Senary 12040124250
8 Octal 467671106
10 Decimal 81752646
12 Duodecimal 23466686
16 Hexadecimal 4df7246
20 Vigesimal 15aj1c6
36 Base36 1co8qu

Cryptographic Hash Functions

md5 aa686913cab034dd92381111938813c7
sha1 815ab56327ec2d2febfdfd040e3e348e64c362c6
sha256 4eb93b103c4cc8dbc945a2f75a3d91e15d554e5c1ac12da11e86e889f9f1c08d
sha512 d8ac5198084c7a4cb08182cdd2ad19d42054e2e16783a409251afbb685cb367c97233b16b1cb3a3d54c0e9712ff184cee81e49340d0c0441474d2eba043d33d0
ripemd-160 9cc79af4c6764874b8d8d70a6fe25ee198a86a8d

81752646 as geometric shapes

Circle

Radius = n
Diameter 163505292
Circumference 513667024.17025
Area 2.0996819194432E+16

Sphere

Radius = n
Volume 2.2887273689712E+24
Surface area 8.3987276777728E+16
Circumference 513667024.17025

Square

Length = n
Perimeter 327010584
Area 6683495128001316
Diagonal 115615700.73309

Cube

Length = n
Surface area 40100970768007896
Volume 5.4639341124222E+23
Space diagonal 141599736.52519

Equilateral Triangle

Length = n
Perimeter 245257938
Area 2.8940382834593E+15
Altitude 70799868.262596

Triangular Pyramid

Length = n
Surface area 2.8940382834593E+15
Volume 6.4393081047504E+22
Height 38538566.911029