81616401 (number)

81616401 is an odd 8-digits composite number following 81616400 and preceding 81616402. In scientific notation, it is written as 8.1616401 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 53352000 positive integers (up to 81616401) that are relatively prime to 81616401.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred sixteen thousand four hundred one

Notation

Scientific notation 8.1616401 × 10^7
Engineering notation 8.1616401 × 10^6

Prime Factorization of 81616401

Prime Factorization 9 × 79 × 191 × 601

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81616401
Product of the distinct prime numbers

The prime factorization of 81616401 is 9 × 79 × 191 × 601. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 96, 47, 615, 588, 2560, 914, 24676, 30004, 833196, 933032, 715114, 6244166, 11522653, 58094909, 518934729, 692179831, 7040201028, 153826438

Basic calculations (n = 81616401)

Multiplication

n×y
n×2 163232802
n×3 244849203
n×4 326465604
n×5 408082005

Division

n÷y
n÷2 40808200.5
n÷3 27205467
n÷3 20404100.25
n÷5 16323280.2

Exponentiation

ny
n2 6661236912192801
n3 5.4366618298153E+23
n4 4.437207720036E+31
n5 3.6214892459875E+39

Nth Root

y√n
2√n 9034.1795975064
3√n 433.76963465891
4√n 95.04830139201
5√n 38.225703601126

Divisors of 81616401

1, 9, 79, 191, 601, 711, 1719, 5409, 15089, 47479, 114791, 135801, 427311, 1033119, 9068489, 81616401

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 -81616400
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 81616401 can be divided by 16 positive divisors. The sum of these divisors (counting 81616401) is 1, the average is 0.0625.

Base conversion 81616401

Base System Value
2 Binary 100110111010101111000010001
3 Ternary 12200120112122200
4 Quaternary 10313111320101
5 Quinary 131343211101
6 Senary 12033153413
8 Octal 467257021
10 Decimal 81616401
12 Duodecimal 233bb869
16 Hexadecimal 4dd5e11
20 Vigesimal 15a2101
36 Base36 1clbm9

Cryptographic Hash Functions

md5 331ccc8e64f5ec5191d3f155d3a5d350
sha1 9c71c8858df63ecb8eb8109e7f857b1cddba3be5
sha256 0873c3a196279f723cea50ead330d84936873a1354f1f4c724599f9cf281a627
sha512 893705f294b84d3beb1194693da67abd12ada1c21eb3206086a0740889fdbb471954a86aba987b2f8c4fdb3dba7d5f64e84ccbe85d1954c9a81515b8c99200be
ripemd-160 82a158e469244de28cd0b7c6fbad63320f33b6e0

81616401 as geometric shapes

Circle

Radius = n
Diameter 163232802
Circumference 512810971.58808
Area 2.0926892947166E+16

Sphere

Radius = n
Volume 2.2773035819466E+24
Surface area 8.3707571788664E+16
Circumference 512810971.58808

Square

Length = n
Perimeter 326465604
Area 6661236912192801
Diagonal 115423021.20628

Cube

Length = n
Surface area 39967421473156806
Volume 5.4366618298153E+23
Space diagonal 141363753.26292

Equilateral Triangle

Length = n
Perimeter 244849203
Area 2.8844001932928E+15
Altitude 70681876.631458

Triangular Pyramid

Length = n
Surface area 2.8844001932928E+15
Volume 6.4071674114674E+22
Height 38474340.402094