81648892 (number)

81648892 is an even 8-digits composite number following 81648891 and preceding 81648893. In scientific notation, it is written as 8.1648892 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors. There are 35467008 positive integers (up to 81648892) that are relatively prime to 81648892.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty-eight thousand eight hundred ninety-two

Notation

Scientific notation 8.1648892 × 10^7
Engineering notation 8.1648892 × 10^6

Prime Factorization of 81648892

Prime Factorization 2 × 2 × 17 × 13 × 92363

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40824446
Product of the distinct prime numbers

The prime factorization of 81648892 is 2 × 2 × 17 × 13 × 92363. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 51, 11, 667, 212, 2682, 2611, 9836, 37724, 316157, 417842, 5858594, 6453737, 53190251, 47417627, 319591347, 927199285, 6441617560, 5157694231

Basic calculations (n = 81648892)

Multiplication

n×y
n×2 163297784
n×3 244946676
n×4 326595568
n×5 408244460

Division

n÷y
n÷2 40824446
n÷3 27216297.333333
n÷3 20412223
n÷5 16329778.4

Exponentiation

ny
n2 6666541564827664
n3 5.4431573224012E+23
n4 4.4442776435575E+31
n5 3.6287034533684E+39

Nth Root

y√n
2√n 9035.977644948
3√n 433.82718738625
4√n 95.057759519926
5√n 38.228746601298

Divisors of 81648892

1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 92363, 184726, 369452, 1200719, 1570171, 2401438, 3140342, 4802876, 6280684, 20412223, 40824446, 81648892

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81648891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81648892 can be divided by 24 positive divisors. The sum of these divisors (counting 81648892) is 1, the average is 0.041666666666667.

Base conversion 81648892

Base System Value
2 Binary 100110111011101110011111100
3 Ternary 12200122012020001
4 Quaternary 10313131303330
5 Quinary 131400231032
6 Senary 12034004044
8 Octal 467356374
10 Decimal 81648892
12 Duodecimal 23416624
16 Hexadecimal 4dddcfc
20 Vigesimal 15a624c
36 Base36 1cm0os

Cryptographic Hash Functions

md5 4779fc3b20e9da98fa6cf321b645beba
sha1 5150a3bf53d7dabb27102148127af15cafc79b69
sha256 9e598a64f08e7ce68b33e9faac1bf20f467c47dfe58d6c3e15bea1875b74355d
sha512 c7a334aba33269bc4367aea286d23f87467c539c7762d7be31beb5f86cb07741815706b2a6afd24eb6488d85b8f11ba888120fe8709d1514326063975c2a3194
ripemd-160 98a6638b86b445d933a25945449a11072e2804df

81648892 as geometric shapes

Circle

Radius = n
Diameter 163297784
Circumference 513015118.56189
Area 2.0943558004914E+16

Sphere

Radius = n
Volume 2.2800244075186E+24
Surface area 8.3774232019654E+16
Circumference 513015118.56189

Square

Length = n
Perimeter 326595568
Area 6666541564827664
Diagonal 115468970.41914

Cube

Length = n
Surface area 39999249388965984
Volume 5.4431573224012E+23
Space diagonal 141420029.3257

Equilateral Triangle

Length = n
Perimeter 244946676
Area 2.8866971752628E+15
Altitude 70710014.662852

Triangular Pyramid

Length = n
Surface area 2.8866971752628E+15
Volume 6.4148224228919E+22
Height 38489656.806379