81594420 (number)

81594420 is an even 8-digits composite number following 81594419 and preceding 81594421. In scientific notation, it is written as 8.1594420 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 21717760 positive integers (up to 81594420) that are relatively prime to 81594420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1594420 × 10^7
Engineering notation 8.1594420 × 10^6

Prime Factorization of 81594420

Prime Factorization 2 × 2 × 15 × 761 × 1787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40797210
Product of the distinct prime numbers

The prime factorization of 81594420 is 2 × 2 × 15 × 761 × 1787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 46, 97, 869, 900, 6384, 5780, 44048, 26624, 540107, 564773, 9871867, 794875, 87067738, 98760173, 143890499, 180611680, 868685677, 5679961831

Basic calculations (n = 81594420)

Multiplication

n×y
n×2 163188840
n×3 244783260
n×4 326377680
n×5 407972100

Division

n÷y
n÷2 40797210
n÷3 27198140
n÷3 20398605
n÷5 16318884

Exponentiation

ny
n2 6657649375136400
n3 5.4322703932762E+23
n4 4.4324295202254E+31
n5 3.6166151589367E+39

Nth Root

y√n
2√n 9032.9629690373
3√n 433.73069009093
4√n 95.041901122807
5√n 38.22364438334

Divisors of 81594420

1, 2, 4, 15, 30, 60, 761, 1522, 1787, 3044, 3574, 7148, 11415, 22830, 26805, 45660, 53610, 107220, 1359907, 2719814, 5439628, 20398605, 40797210, 81594420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81594419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81594420 can be divided by 24 positive divisors. The sum of these divisors (counting 81594420) is 1, the average is 0.041666666666667.

Base conversion 81594420

Base System Value
2 Binary 100110111010000100000110100
3 Ternary 12200112102111120
4 Quaternary 10313100200310
5 Quinary 131342010140
6 Senary 12032503540
8 Octal 467204064
10 Decimal 81594420
12 Duodecimal 233aabb0
16 Hexadecimal 4dd0834
20 Vigesimal 159j610
36 Base36 1ckuno

Cryptographic Hash Functions

md5 9ff0d844b5547ff52d7d75c4a81a35c4
sha1 4d4a25e9ef4bcc470801509a080e9f1234aad0d6
sha256 2b010de2b8e4047bd3125c8a8635ff842997de04e2e04b9f24957062a87a9e78
sha512 69d225a0ce6d0a784329ad984d603bf0890958d2f27b77adb5b9b667e9885be764fb608b4b9fff467602f0162ef17adf3f0e1554d8fd2c80c46125e8df67c009
ripemd-160 4f3ffa332b4e17039cc0db6df6843d90cd577f69

81594420 as geometric shapes

Circle

Radius = n
Diameter 163188840
Circumference 512672860.89184
Area 2.0915622367105E+16

Sphere

Radius = n
Volume 2.2754641013106E+24
Surface area 8.3662489468421E+16
Circumference 512672860.89184

Square

Length = n
Perimeter 326377680
Area 6657649375136400
Diagonal 115391935.37797

Cube

Length = n
Surface area 39945896250818400
Volume 5.4322703932762E+23
Space diagonal 141325681.05411

Equilateral Triangle

Length = n
Perimeter 244783260
Area 2.8828467441789E+15
Altitude 70662840.527057

Triangular Pyramid

Length = n
Surface area 2.8828467441789E+15
Volume 6.4019920538742E+22
Height 38463978.459322