81404562 (number)

81404562 is an even 8-digits composite number following 81404561 and preceding 81404563. In scientific notation, it is written as 8.1404562 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 26829792 positive integers (up to 81404562) that are relatively prime to 81404562.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred four thousand five hundred sixty-two

Notation

Scientific notation 8.1404562 × 10^7
Engineering notation 8.1404562 × 10^6

Prime Factorization of 81404562

Prime Factorization 2 × 267 × 152443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81404562
Product of the distinct prime numbers

The prime factorization of 81404562 is 2 × 267 × 152443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81404562)

Multiplication

n×y
n×2 162809124
n×3 244213686
n×4 325618248
n×5 407022810

Division

n÷y
n÷2 40702281
n÷3 27134854
n÷3 20351140.5
n÷5 16280912.4

Exponentiation

ny
n2 6626702714411844
n3 5.3944383197091E+23
n4 4.3913188865193E+31
n5 3.5747339055943E+39

Nth Root

y√n
2√n 9022.4476723337
3√n 433.39402003452
4√n 94.986565746603
5√n 38.205839664434

Divisors of 81404562

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81404561
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81404562 can be divided by 8 positive divisors. The sum of these divisors (counting 81404562) is 1, the average is 0.125.

Base conversion 81404562

Base System Value
2 Binary 100110110100010001010010010
3 Ternary 12200011210001210
4 Quaternary 10312202022102
5 Quinary 131314421222
6 Senary 12024440550
8 Octal 466421222
10 Decimal 81404562
12 Duodecimal 23319156
16 Hexadecimal 4da2292
20 Vigesimal 158fb82
36 Base36 1cgs5u

Cryptographic Hash Functions

md5 102392dfa8c9973c9e5ead4f2e07dacd
sha1 1934d9ef047abc1c37b0b8ec73d8edd6da2e7d81
sha256 566f796dc445732eb43f6e4c38594330d919f86154228bdb874730adc45d5051
sha512 7fc3656f8b2632c89feaaf7ff401b7d36cabd5bc788dc49e4e0c6568b2a5d3eee50573698cceff8c5b61896400a07442c3697445713eaf562658baa198af5cb6
ripemd-160 caa95609a57a6cd259cd45b599ec48266dbbb225

81404562 as geometric shapes

Circle

Radius = n
Diameter 162809124
Circumference 511479947.89579
Area 2.081840056512E+16

Sphere

Radius = n
Volume 2.2596170393922E+24
Surface area 8.3273602260479E+16
Circumference 511479947.89579

Square

Length = n
Perimeter 325618248
Area 6626702714411844
Diagonal 115123435.61944

Cube

Length = n
Surface area 39760216286471064
Volume 5.3944383197091E+23
Space diagonal 140996837.35189

Equilateral Triangle

Length = n
Perimeter 244213686
Area 2.869446447004E+15
Altitude 70498418.675945

Triangular Pyramid

Length = n
Surface area 2.869446447004E+15
Volume 6.3574065275981E+22
Height 38374478.539814