81403090 (number)

81403090 is an even 8-digits composite number following 81403089 and preceding 81403091. In scientific notation, it is written as 8.1403090 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 32538240 positive integers (up to 81403090) that are relatively prime to 81403090.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred three thousand ninety

Notation

Scientific notation 8.1403090 × 10^7
Engineering notation 8.1403090 × 10^6

Prime Factorization of 81403090

Prime Factorization 2 × 5 × 3229 × 2521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81403090
Product of the distinct prime numbers

The prime factorization of 81403090 is 2 × 5 × 3229 × 2521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 82, 74, 136, 574, 2316, 5966, 55053, 85181, 758939, 587713, 3143147, 6077503, 24751584, 35969714, 135151617, 383865237, 7831055414, 1112070024

Basic calculations (n = 81403090)

Multiplication

n×y
n×2 162806180
n×3 244209270
n×4 325612360
n×5 407015450

Division

n÷y
n÷2 40701545
n÷3 27134363.333333
n÷3 20350772.5
n÷5 16280618

Exponentiation

ny
n2 6626463061548100
n3 5.3941456898088E+23
n4 4.3910012706061E+31
n5 3.5744107162127E+39

Nth Root

y√n
2√n 9022.3660976487
3√n 433.39140773275
4√n 94.986136344462
5√n 38.205701491827

Divisors of 81403090

1, 2, 5, 10, 2521, 3229, 5042, 6458, 12605, 16145, 25210, 32290, 8140309, 16280618, 40701545, 81403090

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 -81403089
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 81403090 can be divided by 16 positive divisors. The sum of these divisors (counting 81403090) is 1, the average is 0.0625.

Base conversion 81403090

Base System Value
2 Binary 100110110100001110011010010
3 Ternary 12200011201001021
4 Quaternary 10312201303102
5 Quinary 131314344330
6 Senary 12024430054
8 Octal 466416322
10 Decimal 81403090
12 Duodecimal 2331832a
16 Hexadecimal 4da1cd2
20 Vigesimal 158f7ea
36 Base36 1cgr0y

Cryptographic Hash Functions

md5 577d21ddcec6254da14065122fe4de44
sha1 9e20fa4840b7ba9aa00fc91b58ef9827a6425967
sha256 fc22055eea01e3559939590b4ed706b6604d7d75ba6f3dea2b78480f523015d8
sha512 b60dabe19ff09890bbc5e3dde750e7d528ba4f3a7cd1fe272aefffa52d763e4639531fbc8cb859c563c269b1bd0f31144a156baf4e0d136892d3f1d6ba786240
ripemd-160 66a56bf85590cf8d73d704944bdd10acb90907a0

81403090 as geometric shapes

Circle

Radius = n
Diameter 162806180
Circumference 511470699.04702
Area 2.0817647673444E+16

Sphere

Radius = n
Volume 2.2594944628662E+24
Surface area 8.3270590693775E+16
Circumference 511470699.04702

Square

Length = n
Perimeter 325612360
Area 6626463061548100
Diagonal 115121353.89708

Cube

Length = n
Surface area 39758778369288600
Volume 5.3941456898088E+23
Space diagonal 140994287.7731

Equilateral Triangle

Length = n
Perimeter 244209270
Area 2.8693426742699E+15
Altitude 70497143.886551

Triangular Pyramid

Length = n
Surface area 2.8693426742699E+15
Volume 6.3570616599533E+22
Height 38373784.632359