81444402 (number)

81444402 is an even 8-digits composite number following 81444401 and preceding 81444403. In scientific notation, it is written as 8.1444402 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 25059744 positive integers (up to 81444402) that are relatively prime to 81444402.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1444402 × 10^7
Engineering notation 8.1444402 × 10^6

Prime Factorization of 81444402

Prime Factorization 2 × 39 × 3 × 348053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81444402
Product of the distinct prime numbers

The prime factorization of 81444402 is 2 × 39 × 3 × 348053. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 66, 29, 770, 293, 3524, 755, 76988, 19318, 962213, 925533, 9882066, 6173447, 70853504, 59341177, 982910721, 122558374, 1209381288, 6804444877

Basic calculations (n = 81444402)

Multiplication

n×y
n×2 162888804
n×3 244333206
n×4 325777608
n×5 407222010

Division

n÷y
n÷2 40722201
n÷3 27148134
n÷3 20361100.5
n÷5 16288880.4

Exponentiation

ny
n2 6633190617137604
n3 5.4023624316478E+23
n4 4.3999217763282E+31
n5 3.5834899791983E+39

Nth Root

y√n
2√n 9024.6552288716
3√n 433.46471059259
4√n 94.998185397783
5√n 38.209578577162

Divisors of 81444402

1, 2, 3, 6, 39, 78, 117, 234, 348053, 696106, 1044159, 2088318, 13574067, 27148134, 40722201, 81444402

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 -81444401
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 81444402 can be divided by 16 positive divisors. The sum of these divisors (counting 81444402) is 1, the average is 0.0625.

Base conversion 81444402

Base System Value
2 Binary 100110110101011111000110010
3 Ternary 12200020210201100
4 Quaternary 10312223320302
5 Quinary 131322210102
6 Senary 12025345230
8 Octal 466537062
10 Decimal 81444402
12 Duodecimal 23338216
16 Hexadecimal 4dabe32
20 Vigesimal 1590b02
36 Base36 1chmwi

Cryptographic Hash Functions

md5 7dc56aec2d9ea62beced3b9469f609be
sha1 e03321862bc2e4d9b74f90b95004c09371a47842
sha256 2a53a0603cfeb21838c18a2de4b600431cbf87439a9bc1a93f47d1b5fb71ee8b
sha512 e97e33d1494e5d99a748765098c4415d7d51c26b37c3a8f84d7890f48bb90fd743c718919d29749853544b5fc3bdd5bd1a2c56ef586ce763e3e06bd34b1195c8
ripemd-160 f1aecccb063b562011e746006a2c5590e5577590

81444402 as geometric shapes

Circle

Radius = n
Diameter 162888804
Circumference 511730269.99843
Area 2.083878291266E+16

Sphere

Radius = n
Volume 2.2629362836392E+24
Surface area 8.3355131650641E+16
Circumference 511730269.99843

Square

Length = n
Perimeter 325777608
Area 6633190617137604
Diagonal 115179777.88777

Cube

Length = n
Surface area 39799143702825624
Volume 5.4023624316478E+23
Space diagonal 141065842.25606

Equilateral Triangle

Length = n
Perimeter 244333206
Area 2.8722557912929E+15
Altitude 70532921.128032

Triangular Pyramid

Length = n
Surface area 2.8722557912929E+15
Volume 6.366745183076E+22
Height 38393259.295922