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

81420007 (number)

81420007 is an odd 8-digits composite number following 81420006 and preceding 81420008. In scientific notation, it is written as 8.1420007 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 79838304 positive integers (up to 81420007) that are relatively prime to 81420007.

Interesting facts

81420007 has 8 divisors, whose sum is 83016000
The reverse of 81420007 is 70002418
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	eighty-one million four hundred twenty thousand seven

Notation

Scientific notation	8.1420007 × 10^7
Engineering notation	8.1420007 × 10^6

Prime Factorization of 81420007

Prime Factorization 6917 × 149 × 79

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81420007	Product of the distinct prime numbers

The prime factorization of 81420007 is 6917 × 149 × 79. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 56, 5, 160, 492, 8983, 4644, 84980, 20562, 923584, 899362, 6228588, 1816790, 62615078, 58860469, 736475975, 94138098, 5069146933, 4231561820

Basic calculations (n = 81420007)

Multiplication

n×y

n×2	162840014
n×3	244260021
n×4	325680028
n×5	407100035

Division

n÷y

n÷2	40710003.5
n÷3	27140002.333333
n÷3	20355001.75
n÷5	16284001.4

Exponentiation

n^y

n²	6629217539880049
n³	5.3975093850156E+23
n⁴	4.3946525191053E+31
n⁵	3.5781263886812E+39

Nth Root

^y√n

²√n	9023.303552469
³√n	433.42142778326
⁴√n	94.99107090916
⁵√n	38.207289323767

Divisors of 81420007

1, 79, 149, 6917, 11771, 546443, 1030633, 81420007

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	-81420006	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 81420007 can be divided by 8 positive divisors. The sum of these divisors (counting 81420007) is 1, the average is 0.125.

Base conversion 81420007

Base	System	Value
2	Binary	100110110100101111011100111
3	Ternary	12200012120020211
4	Quaternary	10312211323213
5	Quinary	131320420012
6	Senary	12025040251
8	Octal	466457347
10	Decimal	81420007
12	Duodecimal	23326087
16	Hexadecimal	4da5ee7
20	Vigesimal	158ha07
36	Base36	1ch42v

Cryptographic Hash Functions

md5	b65b325557657058c66d7e7e572a7d0d
sha1	2d86467993e29044a89f122a3c203e44ef8ee301
sha256	ceccb33a9325a4f45c7acf4b1cf3450694576b5ab02c8f86a176c476716fc13d
sha512	15bc8798af6999a6796343f1b7463756268109b3d0753a48990d84bd1d665aae09c0604832647b433839f500825f04a720ac3dff07a3b01c35186dc6c26ba9ed
ripemd-160	3033b22d374a0620948b569ac1e71efaff66de1a

81420007 as geometric shapes

Circle

Radius = n

Diameter	162840014
Circumference	511576991.69286
Area	2.0826301122336E+16

Sphere

Radius = n

Volume	2.2609034442196E+24
Surface area	8.3305204489343E+16
Circumference	511576991.69286

Square

Length = n

Perimeter	325680028
Area	6629217539880049
Diagonal	115145278.14791

Cube

Length = n

Surface area	39775305239280294
Volume	5.3975093850156E+23
Space diagonal	141023588.87661

Equilateral Triangle

Length = n

Perimeter	244260021
Area	2.8705353983748E+15
Altitude	70511794.438307

Triangular Pyramid

Length = n

Surface area	2.8705353983748E+15
Volume	6.3610258127709E+22
Height	38381759.382637