Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

81420005 (number)

81420005 is an odd 8-digits composite number following 81420004 and preceding 81420006. In scientific notation, it is written as 8.1420005 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 65066688 positive integers (up to 81420005) that are relatively prime to 81420005.

Interesting facts

81420005 has 8 divisors, whose sum is 97807992
The reverse of 81420005 is 50002418
Previous prime number is 997

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million four hundred twenty thousand five

Notation

Scientific notation	8.1420005 × 10^7
Engineering notation	8.1420005 × 10^6

Prime Factorization of 81420005

Prime Factorization 5 × 997 × 16333

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81420005	Product of the distinct prime numbers

The prime factorization of 81420005 is 5 × 997 × 16333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 64, 50, 250, 734, 1788, 5682, 22265, 52191, 253276, 660878, 7422861, 260768, 14332953, 17237198, 803317623, 759585776, 9368309434, 5905291962

Basic calculations (n = 81420005)

Multiplication

n×y

n×2	162840010
n×3	244260015
n×4	325680020
n×5	407100025

Division

n÷y

n÷2	40710002.5
n÷3	27140001.666667
n÷3	20355001.25
n÷5	16284001

Exponentiation

n^y

n²	6629217214200025
n³	5.3975089872625E+23
n⁴	4.3946520873046E+31
n⁵	3.578125949216E+39

Nth Root

^y√n

²√n	9023.3034416449
³√n	433.42142423441
⁴√n	94.99107032582
⁵√n	38.207289136062

Divisors of 81420005

1, 5, 997, 4985, 16333, 81665, 16284001, 81420005

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	-81420004	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 81420005 can be divided by 8 positive divisors. The sum of these divisors (counting 81420005) is 1, the average is 0.125.

Base conversion 81420005

Base	System	Value
2	Binary	100110110100101111011100101
3	Ternary	12200012120020202
4	Quaternary	10312211323211
5	Quinary	131320420010
6	Senary	12025040245
8	Octal	466457345
10	Decimal	81420005
12	Duodecimal	23326085
16	Hexadecimal	4da5ee5
20	Vigesimal	158ha05
36	Base36	1ch42t

Cryptographic Hash Functions

md5	e6c2779ac51371f6d26ca01d0253db8e
sha1	ec547de9f431df12f0d6c0995c0a2ee2c118f3fd
sha256	92aefad5da9818b050578754e1dbe2154e823fed495bb33f0fc74b222b6e3837
sha512	3109398a5b4aa020d6788e39b34c43b654540f056972b4df2e219d7cf01d5912e147a0fd344cb54b67847422952fd566740ed49281dcd2ae23a1b0b3444e8f37
ripemd-160	3d8e0bd11aa049ffae2d79659893a80470c6218f

81420005 as geometric shapes

Circle

Radius = n

Diameter	162840010
Circumference	511576979.12649
Area	2.0826300099182E+16

Sphere

Radius = n

Volume	2.2609032776092E+24
Surface area	8.3305200396727E+16
Circumference	511576979.12649

Square

Length = n

Perimeter	325680020
Area	6629217214200025
Diagonal	115145275.31949

Cube

Length = n

Surface area	39775303285200150
Volume	5.3975089872625E+23
Space diagonal	141023585.41251

Equilateral Triangle

Length = n

Perimeter	244260015
Area	2.8705352573512E+15
Altitude	70511792.706256

Triangular Pyramid

Length = n

Surface area	2.8705352573512E+15
Volume	6.3610253440144E+22
Height	38381758.439828