81298982 (number)

81298982 is an even 8-digits composite number following 81298981 and preceding 81298983. In scientific notation, it is written as 8.1298982 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 38734080 positive integers (up to 81298982) that are relatively prime to 81298982.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-eight thousand nine hundred eighty-two

Notation

Scientific notation 8.1298982 × 10^7
Engineering notation 8.1298982 × 10^6

Prime Factorization of 81298982

Prime Factorization 2 × 43 × 41 × 23057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81298982
Product of the distinct prime numbers

The prime factorization of 81298982 is 2 × 43 × 41 × 23057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 83, 74, 945, 814, 1646, 6934, 89185, 91733, 684946, 870237, 6955274, 923978, 97492142, 9499048, 427650534, 250466705, 3945010800, 2440788412

Basic calculations (n = 81298982)

Multiplication

n×y
n×2 162597964
n×3 243896946
n×4 325195928
n×5 406494910

Division

n÷y
n÷2 40649491
n÷3 27099660.666667
n÷3 20324745.5
n÷5 16259796.4

Exponentiation

ny
n2 6609524474236324
n3 5.373476112595E+23
n4 4.3685813775529E+31
n5 3.5516121877921E+39

Nth Root

y√n
2√n 9016.5948117901
3√n 433.20657133774
4√n 94.955751862592
5√n 38.195924085332

Divisors of 81298982

1, 2, 41, 43, 82, 86, 1763, 3526, 23057, 46114, 945337, 991451, 1890674, 1982902, 40649491, 81298982

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 -81298981
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 81298982 can be divided by 16 positive divisors. The sum of these divisors (counting 81298982) is 1, the average is 0.0625.

Base conversion 81298982

Base System Value
2 Binary 100110110001000011000100110
3 Ternary 12122222102020102
4 Quaternary 10312020120212
5 Quinary 131303031412
6 Senary 12022304102
8 Octal 466103046
10 Decimal 81298982
12 Duodecimal 23288032
16 Hexadecimal 4d88626
20 Vigesimal 1582792
36 Base36 1ceip2

Cryptographic Hash Functions

md5 a59b65e810b9754dc92e0779ece71737
sha1 2f9d49f3c79c04bd6cabc6d7baba730c2852242f
sha256 bad45564e110a2057808547b115343eba758e1d2a43ede180588a6f8c5fe5a31
sha512 3f94061efaeffa02fbff59c33c32c62f4ab74d0c120e48f4eb0f0673b1651a517762375358e18448c990be5ce06a4a25e06a8aa7cc042aa1a5b64439eb9e513b
ripemd-160 d43f259f2eda82b19f66b08da949011dc9d73e45

81298982 as geometric shapes

Circle

Radius = n
Diameter 162597964
Circumference 510816569.19106
Area 2.0764433531983E+16

Sphere

Radius = n
Volume 2.2508364106092E+24
Surface area 8.3057734127931E+16
Circumference 510816569.19106

Square

Length = n
Perimeter 325195928
Area 6609524474236324
Diagonal 114974122.95153

Cube

Length = n
Surface area 39657146845417944
Volume 5.373476112595E+23
Space diagonal 140813967.42763

Equilateral Triangle

Length = n
Perimeter 243896946
Area 2.8620080508118E+15
Altitude 70406983.713814

Triangular Pyramid

Length = n
Surface area 2.8620080508118E+15
Volume 6.3327023295997E+22
Height 38324707.650509