81750450 (number)

81750450 is an even 8-digits composite number following 81750449 and preceding 81750451. In scientific notation, it is written as 8.1750450 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 20517120 positive integers (up to 81750450) that are relatively prime to 81750450.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1750450 × 10^7
Engineering notation 8.1750450 × 10^6

Prime Factorization of 81750450

Prime Factorization 2 × 75 × 17 × 32059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81750450
Product of the distinct prime numbers

The prime factorization of 81750450 is 2 × 75 × 17 × 32059. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 60, 26, 176, 293, 9177, 9542, 47258, 91557, 998475, 834399, 3952825, 832615, 44227543, 95480690, 133962595, 440350307, 1721025253, 3965554737

Basic calculations (n = 81750450)

Multiplication

n×y
n×2 163500900
n×3 245251350
n×4 327001800
n×5 408752250

Division

n÷y
n÷2 40875225
n÷3 27250150
n÷3 20437612.5
n÷5 16350090

Exponentiation

ny
n2 6683136075202500
n3 5.4634938155904E+23
n4 4.4664307799673E+31
n5 3.6513272615618E+39

Nth Root

y√n
2√n 9041.5955450352
3√n 434.00698311798
4√n 95.087304857353
5√n 38.238251947284

Divisors of 81750450

1, 2, 17, 34, 75, 150, 1275, 2550, 32059, 64118, 545003, 1090006, 2404425, 4808850, 40875225, 81750450

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 -81750449
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 81750450 can be divided by 16 positive divisors. The sum of these divisors (counting 81750450) is 1, the average is 0.0625.

Base conversion 81750450

Base System Value
2 Binary 100110111110110100110110010
3 Ternary 12200211100112110
4 Quaternary 10313312212302
5 Quinary 131412003300
6 Senary 12040110150
8 Octal 467664662
10 Decimal 81750450
12 Duodecimal 23465356
16 Hexadecimal 4df69b2
20 Vigesimal 15aig2a
36 Base36 1co71u

Cryptographic Hash Functions

md5 3e73f295bd11083c4c2311a4586af421
sha1 2c41d3a576fcce7f694b40841e6f6899d3a14357
sha256 b5a9610be95f19a965a4ea08081e287b41c01f492d2a8f2e1fbc45363b351e2e
sha512 476982846a6bf648778c31751a8461a1eec794b42f9dd03a49822d9789201796ea253e5fda86d8d2a22e38a599bdafee551cc1b3c852907b21702a91268529f3
ripemd-160 dd31ca4ca3eb36514f84ec71ec6d67c36446a58b

81750450 as geometric shapes

Circle

Radius = n
Diameter 163500900
Circumference 513653226.29532
Area 2.0995691196797E+16

Sphere

Radius = n
Volume 2.2885429378656E+24
Surface area 8.3982764787188E+16
Circumference 513653226.29532

Square

Length = n
Perimeter 327001800
Area 6683136075202500
Diagonal 115612595.1201

Cube

Length = n
Surface area 40098816451215000
Volume 5.4634938155904E+23
Space diagonal 141595932.94162

Equilateral Triangle

Length = n
Perimeter 245251350
Area 2.8938828090368E+15
Altitude 70797966.47081

Triangular Pyramid

Length = n
Surface area 2.8938828090368E+15
Volume 6.4387892099579E+22
Height 38537531.706701