81594490 (number)

81594490 is an even 8-digits composite number following 81594489 and preceding 81594491. In scientific notation, it is written as 8.1594490 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 32565456 positive integers (up to 81594490) that are relatively prime to 81594490.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety-four thousand four hundred ninety

Notation

Scientific notation 8.1594490 × 10^7
Engineering notation 8.1594490 × 10^6

Prime Factorization of 81594490

Prime Factorization 2 × 5 × 463 × 17623

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81594490
Product of the distinct prime numbers

The prime factorization of 81594490 is 2 × 5 × 463 × 17623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 83, 84, 667, 846, 5613, 7471, 92244, 50586, 258270, 749619, 7900875, 1469935, 42876784, 56687525, 954746301, 912188986, 958929862, 1535970885

Basic calculations (n = 81594490)

Multiplication

n×y
n×2 163188980
n×3 244783470
n×4 326377960
n×5 407972450

Division

n÷y
n÷2 40797245
n÷3 27198163.333333
n÷3 20398622.5
n÷5 16318898

Exponentiation

ny
n2 6657660798360100
n3 5.4322843743519E+23
n4 4.4324447306021E+31
n5 3.6166306724666E+39

Nth Root

y√n
2√n 9032.9668437341
3√n 433.73081412367
4√n 95.041921506955
5√n 38.223650941764

Divisors of 81594490

1, 2, 5, 10, 463, 926, 2315, 4630, 17623, 35246, 88115, 176230, 8159449, 16318898, 40797245, 81594490

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 -81594489
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 81594490 can be divided by 16 positive divisors. The sum of these divisors (counting 81594490) is 1, the average is 0.0625.

Base conversion 81594490

Base System Value
2 Binary 100110111010000100001111010
3 Ternary 12200112102121011
4 Quaternary 10313100201322
5 Quinary 131342010430
6 Senary 12032504134
8 Octal 467204172
10 Decimal 81594490
12 Duodecimal 233ab04a
16 Hexadecimal 4dd087a
20 Vigesimal 159j64a
36 Base36 1ckupm

Cryptographic Hash Functions

md5 e3db70199277f876a80bd25cda9ee887
sha1 ce6bb33da4133ece6407783aef0e69870eef6326
sha256 2d567746c36bcd2db7df6f9a1fb5482459d6168c407a60b5e5fac9b8ccdcdd56
sha512 bbe2fc9b7a4c3e979a73ea1848bcebd2e17e0a90a503512a04789632c320c465f563a42d04b739fc128942f990af99ebd5da4d69615624ef324b8c1e01dfe55e
ripemd-160 410dd563d9f87943595a9cf0a09cf1e35de930f0

81594490 as geometric shapes

Circle

Radius = n
Diameter 163188980
Circumference 512673300.71481
Area 2.0915658254221E+16

Sphere

Radius = n
Volume 2.2754699576899E+24
Surface area 8.3662633016883E+16
Circumference 512673300.71481

Square

Length = n
Perimeter 326377960
Area 6657660798360100
Diagonal 115392034.37292

Cube

Length = n
Surface area 39945964790160600
Volume 5.4322843743519E+23
Space diagonal 141325802.29767

Equilateral Triangle

Length = n
Perimeter 244783470
Area 2.8828516905798E+15
Altitude 70662901.148835

Triangular Pyramid

Length = n
Surface area 2.8828516905798E+15
Volume 6.4020085307299E+22
Height 38464011.457639