81750250 (number)

81750250 is an even 8-digits composite number following 81750249 and preceding 81750251. In scientific notation, it is written as 8.1750250 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 32700000 positive integers (up to 81750250) that are relatively prime to 81750250.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1750250 × 10^7
Engineering notation 8.1750250 × 10^6

Prime Factorization of 81750250

Prime Factorization 2 × 5 × 5 × 5 × 327001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3270010
Product of the distinct prime numbers

The prime factorization of 81750250 is 2 × 5 × 5 × 5 × 327001. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 20, 85, 249, 739, 2651, 5745, 7273, 37954, 618314, 314561, 6263035, 4248891, 16856482, 41822213, 604692207, 593440500, 7255630146, 4947053154

Basic calculations (n = 81750250)

Multiplication

n×y
n×2 163500500
n×3 245250750
n×4 327001000
n×5 408751250

Division

n÷y
n÷2 40875125
n÷3 27250083.333333
n÷3 20437562.5
n÷5 16350050

Exponentiation

ny
n2 6683103375062500
n3 5.463453716872E+23
n4 4.4663870721772E+31
n5 3.6512825974725E+39

Nth Root

y√n
2√n 9041.5844850336
3√n 434.00662918937
4√n 95.087246700247
5√n 38.238233237521

Divisors of 81750250

1, 2, 5, 10, 25, 50, 125, 250, 327001, 654002, 1635005, 3270010, 8175025, 16350050, 40875125, 81750250

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 -81750249
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 81750250 can be divided by 16 positive divisors. The sum of these divisors (counting 81750250) is 1, the average is 0.0625.

Base conversion 81750250

Base System Value
2 Binary 100110111110110100011101010
3 Ternary 12200211100021001
4 Quaternary 10313312203222
5 Quinary 131412002000
6 Senary 12040105214
8 Octal 467664352
10 Decimal 81750250
12 Duodecimal 2346520a
16 Hexadecimal 4df68ea
20 Vigesimal 15aifca
36 Base36 1co6wa

Cryptographic Hash Functions

md5 1c9bc1a518876445f5ad3cecf0264974
sha1 e525a9c99f4dc4dfab5637c922496e9df90f9546
sha256 9bae2c2c4529e548e4356c6418728c7daf88ae0db4f17a35ffcf072f8d563821
sha512 29ff6d1596f0747322c219dfd4a347e62ed5ea8fde02983dbc563a5afd04643ac3d9c3801f64f05a8f1b6feaa6987d137e0f33b5b44c5ba3233da83f6fae8ea3
ripemd-160 3f535265683ccdb7b907fc218cd9186b850131e3

81750250 as geometric shapes

Circle

Radius = n
Diameter 163500500
Circumference 513651969.65826
Area 2.0995588466278E+16

Sphere

Radius = n
Volume 2.2885261413537E+24
Surface area 8.398235386511E+16
Circumference 513651969.65826

Square

Length = n
Perimeter 327001000
Area 6683103375062500
Diagonal 115612312.27739

Cube

Length = n
Surface area 40098620250375000
Volume 5.463453716872E+23
Space diagonal 141595586.53146

Equilateral Triangle

Length = n
Perimeter 245250750
Area 2.8938686494608E+15
Altitude 70797793.265729

Triangular Pyramid

Length = n
Surface area 2.8938686494608E+15
Volume 6.4387419531651E+22
Height 38537437.425797