81444401 (number)

81444401 is an odd 8-digits composite number following 81444400 and preceding 81444402. In scientific notation, it is written as 8.1444401 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 80604672 positive integers (up to 81444401) that are relatively prime to 81444401.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand four hundred one

Notation

Scientific notation 8.1444401 × 10^7
Engineering notation 8.1444401 × 10^6

Prime Factorization of 81444401

Prime Factorization 97 × 839633

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81444401
Product of the distinct prime numbers

The prime factorization of 81444401 is 97 × 839633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 39, 26, 549, 912, 4034, 1337, 4470, 66738, 783625, 830388, 8411424, 2110168, 65433788, 86142882, 172802373, 673988534, 9366772092, 2284906966

Basic calculations (n = 81444401)

Multiplication

n×y
n×2 162888802
n×3 244333203
n×4 325777604
n×5 407222005

Division

n÷y
n÷2 40722200.5
n÷3 27148133.666667
n÷3 20361100.25
n÷5 16288880.2

Exponentiation

ny
n2 6633190454248801
n3 5.4023622326521E+23
n4 4.3999215602337E+31
n5 3.5834897592022E+39

Nth Root

y√n
2√n 9024.6551734678
3√n 433.46470881852
4√n 94.998185106179
5√n 38.209578483332

Divisors of 81444401

1, 97, 839633, 81444401

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81444400
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444401 can be divided by 4 positive divisors. The sum of these divisors (counting 81444401) is 1, the average is 0.25.

Base conversion 81444401

Base System Value
2 Binary 100110110101011111000110001
3 Ternary 12200020210201022
4 Quaternary 10312223320301
5 Quinary 131322210101
6 Senary 12025345225
8 Octal 466537061
10 Decimal 81444401
12 Duodecimal 23338215
16 Hexadecimal 4dabe31
20 Vigesimal 1590b01
36 Base36 1chmwh

Cryptographic Hash Functions

md5 639b30ba3856c33a1c96c13de960719e
sha1 3784e5331a4b137fe43e53198e2a5517a80f866a
sha256 294abd23e305e87ee573fa2d8229e1b20259e46ccea4269da0503f09c7e81955
sha512 d9f087c1891a73304b3135068f55c46a697b3aa508b88dda3d598a0db347fab41cc999657bf2df86206bf3239347b767c891e9b76592de4d3799778abf9e5bf9
ripemd-160 bfb0a025e625775f01752f3c28fca6b6e6c04ade

81444401 as geometric shapes

Circle

Radius = n
Diameter 162888802
Circumference 511730263.71524
Area 2.083878240093E+16

Sphere

Radius = n
Volume 2.2629362002841E+24
Surface area 8.335512960372E+16
Circumference 511730263.71524

Square

Length = n
Perimeter 325777604
Area 6633190454248801
Diagonal 115179776.47355

Cube

Length = n
Surface area 39799142725492806
Volume 5.4023622326521E+23
Space diagonal 141065840.52401

Equilateral Triangle

Length = n
Perimeter 244333203
Area 2.87225572076E+15
Altitude 70532920.262007

Triangular Pyramid

Length = n
Surface area 2.87225572076E+15
Volume 6.3667449485573E+22
Height 38393258.824518