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

8142721 (number)

8142721 is an odd 7-digits composite number following 8142720 and preceding 8142722. In scientific notation, it is written as 8.142721 × 10^6. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 8062000 positive integers (up to 8142721) that are relatively prime to 8142721.

Interesting facts

8142721 has 4 divisors, whose sum is 8223444
The reverse of 8142721 is 1272418
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7

Name

Name	eight million one hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation	8.142721 × 10^6
Engineering notation	8.142721 × 10^6

Prime Factorization of 8142721

Prime Factorization 101 × 80621

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	8142721	Product of the distinct prime numbers

The prime factorization of 8142721 is 101 × 80621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 91, 99, 308, 525, 9362, 4449, 27201, 15087, 688573, 805610, 102260, 3756639, 54484951, 329423, 876084511, 601286430, 2247946537, 1129776215

Basic calculations (n = 8142721)

Multiplication

n×y

n×2	16285442
n×3	24428163
n×4	32570884
n×5	40713605

Division

n÷y

n÷2	4071360.5
n÷3	2714240.3333333
n÷3	2035680.25
n÷5	1628544.2

Exponentiation

n^y

n²	66303905283841
n³	5.3989420193674E+20
n⁴	4.3962078558886E+27
n⁵	3.5797094028509E+34

Nth Root

^y√n

²√n	2853.5453386971
³√n	201.1823382742
⁴√n	53.418586079165
⁵√n	24.107596335178

Divisors of 8142721

1, 101, 80621, 8142721

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-8142720	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8142721 can be divided by 4 positive divisors. The sum of these divisors (counting 8142721) is 1, the average is 0.25.

Base conversion 8142721

Base	System	Value
2	Binary	11111000011111110000001
3	Ternary	120022200201021
4	Quaternary	133003332001
5	Quinary	4041031341
6	Senary	450305441
8	Octal	37037601
10	Decimal	8142721
12	Duodecimal	2888281
16	Hexadecimal	7c3f81
20	Vigesimal	2ahgg1
36	Base36	4uiyp

Cryptographic Hash Functions

md5	0a5fe677ac701a1b89c9f0c6e21cb369
sha1	a12b8bed98709ff2d933b7053fe8d92a74f0d292
sha256	16598460880b696a3e8245372237194d0e683c55cfab82e939bafb1dce03ba89
sha512	90361138e8daaaf08bd04a0d41b798bbe770e45cd867b04b853be86b3602318aefcad482ef8be67e93612b1333af38d364b21b359472fb695aa4c2cfc30b45fe
ripemd-160	5aaa8e8f0c59867e0bac8c150386365fc9ea4e8f

8142721 as geometric shapes

Circle

Radius = n

Diameter	16285442
Circumference	51162224.947663
Area	2.0829986174403E+14

Sphere

Radius = n

Volume	2.2615035446936E+21
Surface area	8.3319944697611E+14
Circumference	51162224.947663

Square

Length = n

Perimeter	32570884
Area	66303905283841
Diagonal	11515546.47282

Cube

Length = n

Surface area	397823431703046
Volume	5.3989420193674E+20
Space diagonal	14103606.483858

Equilateral Triangle

Length = n

Perimeter	24428163
Area	28710433172962
Altitude	7051803.241929

Triangular Pyramid

Length = n

Surface area	28710433172962
Volume	6.3627141885462E+19
Height	3838515.4909401