81094489 (number)

81094489 is an odd 8-digits composite number following 81094488 and preceding 81094490. In scientific notation, it is written as 8.1094489 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 65594880 positive integers (up to 81094489) that are relatively prime to 81094489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1094489 × 10^7
Engineering notation 8.1094489 × 10^6

Prime Factorization of 81094489

Prime Factorization 7 × 19 × 293 × 2081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81094489
Product of the distinct prime numbers

The prime factorization of 81094489 is 7 × 19 × 293 × 2081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 1, 60, 848, 726, 3569, 70, 79691, 94917, 361242, 553175, 6833838, 4995595, 86255835, 50791820, 533525646, 924523460, 3250811266, 3709769534

Basic calculations (n = 81094489)

Multiplication

n×y
n×2 162188978
n×3 243283467
n×4 324377956
n×5 405472445

Division

n÷y
n÷2 40547244.5
n÷3 27031496.333333
n÷3 20273622.25
n÷5 16218897.8

Exponentiation

ny
n2 6576316146171121
n3 5.333029973762E+23
n4 4.3247934054391E+31
n5 3.5071691124465E+39

Nth Root

y√n
2√n 9005.2478588876
3√n 432.84304857819
4√n 94.895984419192
5√n 38.176689724807

Divisors of 81094489

1, 7, 19, 133, 293, 2051, 2081, 5567, 14567, 38969, 39539, 276773, 609733, 4268131, 11584927, 81094489

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 -81094488
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 81094489 can be divided by 16 positive divisors. The sum of these divisors (counting 81094489) is 1, the average is 0.0625.

Base conversion 81094489

Base System Value
2 Binary 100110101010110011101011001
3 Ternary 12122121000201121
4 Quaternary 10311112131121
5 Quinary 131230010424
6 Senary 12014045241
8 Octal 465263531
10 Decimal 81094489
12 Duodecimal 231a9821
16 Hexadecimal 4d56759
20 Vigesimal 156gg49
36 Base36 1ca4wp

Cryptographic Hash Functions

md5 155fce00f0e9b7c7f8d057b8e509d96a
sha1 5bc387634b1b957f0830ad3e9182f35f27b6f3ed
sha256 51e49b14d4ee3204133cd4322a38e46c50d1f1c1b7904f48b7d844534b5ff386
sha512 b877e68248a684d1c0e600779f5e6f74ad4a8b6dc1abb2647ad519c6a02d8c2eeaab8719bfc28ad3dac4895fc6d968b83e94a01306305a3f0139e2aea6858791
ripemd-160 cdfd3d31883b3cab2dc00e0f34fa356751bc6e59

81094489 as geometric shapes

Circle

Radius = n
Diameter 162188978
Circumference 509531701.77804
Area 2.0660106492495E+16

Sphere

Radius = n
Volume 2.2338943715926E+24
Surface area 8.2640425969981E+16
Circumference 509531701.77804

Square

Length = n
Perimeter 324377956
Area 6576316146171121
Diagonal 114684926.17752

Cube

Length = n
Surface area 39457896877026726
Volume 5.333029973762E+23
Space diagonal 140459775.16184

Equilateral Triangle

Length = n
Perimeter 243283467
Area 2.847628422951E+15
Altitude 70229887.580918

Triangular Pyramid

Length = n
Surface area 2.847628422951E+15
Volume 6.2850360978637E+22
Height 38228308.725839