81750497 (number)

81750497 is an odd 8-digits composite number following 81750496 and preceding 81750498. In scientific notation, it is written as 8.1750497 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 81626160 positive integers (up to 81750497) that are relatively prime to 81750497.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand four hundred ninety-seven

Notation

Scientific notation 8.1750497 × 10^7
Engineering notation 8.1750497 × 10^6

Prime Factorization of 81750497

Prime Factorization 661 × 123677

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81750497
Product of the distinct prime numbers

The prime factorization of 81750497 is 661 × 123677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81750497)

Multiplication

n×y
n×2 163500994
n×3 245251491
n×4 327001988
n×5 408752485

Division

n÷y
n÷2 40875248.5
n÷3 27250165.666667
n÷3 20437624.25
n÷5 16350099.4

Exponentiation

ny
n2 6683143759747009
n3 5.4635032388177E+23
n4 4.4664410513445E+31
n5 3.6513377576862E+39

Nth Root

y√n
2√n 9041.5981441336
3√n 434.00706629111
4√n 95.087318524257
5√n 38.238256344074

Divisors of 81750497

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81750496
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81750497 can be divided by 4 positive divisors. The sum of these divisors (counting 81750497) is 1, the average is 0.25.

Base conversion 81750497

Base System Value
2 Binary 100110111110110100111100001
3 Ternary 12200211100121012
4 Quaternary 10313312213201
5 Quinary 131412003442
6 Senary 12040110305
8 Octal 467664741
10 Decimal 81750497
12 Duodecimal 23465395
16 Hexadecimal 4df69e1
20 Vigesimal 15aig4h
36 Base36 1co735

Cryptographic Hash Functions

md5 60b5ad8f16e7964f13d901d68f3949ec
sha1 58ed48e76a7469d917120c11c5e81602f28ec066
sha256 a59079ca7ce6c95ce978d77df36e09d4f961fc508c2eea26236561927db10238
sha512 e1fd255726154c8b17d6868d409250a5943989dee57326b2f5074633585114845372e382f0bc15d0365027dd861ab102bee87f14c4af7213eed39ff2c19f38e3
ripemd-160 0ac1d2a78e9bf8f755a99fe9ae94aee6823fe8a0

81750497 as geometric shapes

Circle

Radius = n
Diameter 163500994
Circumference 513653521.60503
Area 2.0995715338506E+16

Sphere

Radius = n
Volume 2.2885468850578E+24
Surface area 8.3982861354023E+16
Circumference 513653521.60503

Square

Length = n
Perimeter 327001988
Area 6683143759747009
Diagonal 115612661.58814

Cube

Length = n
Surface area 40098862558482054
Volume 5.4635032388177E+23
Space diagonal 141596014.34801

Equilateral Triangle

Length = n
Perimeter 245251491
Area 2.8938861365422E+15
Altitude 70798007.174004

Triangular Pyramid

Length = n
Surface area 2.8938861365422E+15
Volume 6.4388003153377E+22
Height 38537553.862714