81750248 (number)

81750248 is an even 8-digits composite number following 81750247 and preceding 81750249. In scientific notation, it is written as 8.1750248 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 40204800 positive integers (up to 81750248) that are relatively prime to 81750248.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1750248 × 10^7
Engineering notation 8.1750248 × 10^6

Prime Factorization of 81750248

Prime Factorization 2 × 2 × 2 × 61 × 167521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20437562
Product of the distinct prime numbers

The prime factorization of 81750248 is 2 × 2 × 2 × 61 × 167521. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 10, 15, 527, 866, 9989, 6531, 95397, 6123, 565047, 269892, 1634189, 4555239, 71442639, 71642357, 101179661, 12470648, 1399504461, 5121029904

Basic calculations (n = 81750248)

Multiplication

n×y
n×2 163500496
n×3 245250744
n×4 327000992
n×5 408751240

Division

n÷y
n÷2 40875124
n÷3 27250082.666667
n÷3 20437562
n÷5 16350049.6

Exponentiation

ny
n2 6683103048061504
n3 5.4634533158858E+23
n4 4.4663866351009E+31
n5 3.6512821508338E+39

Nth Root

y√n
2√n 9041.5843744335
3√n 434.00662565009
4√n 95.087246118675
5√n 38.238233050423

Divisors of 81750248

1, 2, 4, 8, 61, 122, 244, 488, 167521, 335042, 670084, 1340168, 10218781, 20437562, 40875124, 81750248

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 -81750247
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 81750248 can be divided by 16 positive divisors. The sum of these divisors (counting 81750248) is 1, the average is 0.0625.

Base conversion 81750248

Base System Value
2 Binary 100110111110110100011101000
3 Ternary 12200211100020222
4 Quaternary 10313312203220
5 Quinary 131412001443
6 Senary 12040105212
8 Octal 467664350
10 Decimal 81750248
12 Duodecimal 23465208
16 Hexadecimal 4df68e8
20 Vigesimal 15aifc8
36 Base36 1co6w8

Cryptographic Hash Functions

md5 0a60c8c9c9d2b7e988f8dd81c982a4ba
sha1 9d3dda831e895d31dbc1977fcbd4adbb0d4b1584
sha256 2f567ddad17ce7ef3ff9b0d0f559e4ee6fd7f5ae58f87452ee58811ea0c0f6eb
sha512 abde1c4c8364b405d53c34caa9731bfc4d7eadedf5a508ea63913dd798da121de41597df3a3e464e272bcc02deeb2304ac14dc3014efe6632262c717709c0e83
ripemd-160 d25ae450f994c8f245e2ffd0bdc7b1ef46727962

81750248 as geometric shapes

Circle

Radius = n
Diameter 163500496
Circumference 513651957.09189
Area 2.0995587438974E+16

Sphere

Radius = n
Volume 2.288525973389E+24
Surface area 8.3982349755894E+16
Circumference 513651957.09189

Square

Length = n
Perimeter 327000992
Area 6683103048061504
Diagonal 115612309.44896

Cube

Length = n
Surface area 40098618288369024
Volume 5.4634533158858E+23
Space diagonal 141595583.06736

Equilateral Triangle

Length = n
Perimeter 245250744
Area 2.8938685078652E+15
Altitude 70797791.533678

Triangular Pyramid

Length = n
Surface area 2.8938685078652E+15
Volume 6.4387414805983E+22
Height 38537436.482988