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

81002021 (number)

81002021 is an odd 8-digits composite number following 81002020 and preceding 81002022. In scientific notation, it is written as 8.1002021 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 77336512 positive integers (up to 81002021) that are relatively prime to 81002021.

Interesting facts

81002021 has 8 divisors, whose sum is 84680640
The reverse of 81002021 is 12020018
Previous prime number is 593

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	eighty-one million two thousand twenty-one

Notation

Scientific notation	8.1002021 × 10^7
Engineering notation	8.1002021 × 10^6

Prime Factorization of 81002021

Prime Factorization 23 × 593 × 5939

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81002021	Product of the distinct prime numbers

The prime factorization of 81002021 is 23 × 593 × 5939. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 40, 43, 570, 689, 9205, 4723, 58781, 76359, 246931, 741015, 7934768, 2557508, 44698138, 92206585, 240748402, 483669623, 3758792704, 1335303296

Basic calculations (n = 81002021)

Multiplication

n×y

n×2	162004042
n×3	243006063
n×4	324008084
n×5	405010105

Division

n÷y

n÷2	40501010.5
n÷3	27000673.666667
n÷3	20250505.25
n÷5	16200404.2

Exponentiation

n^y

n²	6561327406084441
n³	5.3148078033553E+23
n⁴	4.3051017329835E+31
n⁵	3.4872194098226E+39

Nth Root

^y√n

²√n	9000.1122770774
³√n	432.678469564
⁴√n	94.868921555362
⁵√n	38.167979556261

Divisors of 81002021

1, 23, 593, 5939, 13639, 136597, 3521827, 81002021

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	-81002020	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 81002021 can be divided by 8 positive divisors. The sum of these divisors (counting 81002021) is 1, the average is 0.125.

Base conversion 81002021

Base	System	Value
2	Binary	100110100111111111000100101
3	Ternary	12122102022212212
4	Quaternary	10310333320211
5	Quinary	131214031041
6	Senary	12012053205
8	Octal	464777045
10	Decimal	81002021
12	Duodecimal	23164205
16	Hexadecimal	4d3fe25
20	Vigesimal	1565511
36	Base36	1c85k5

Cryptographic Hash Functions

md5	183a042c818d97c99248b003f36d4c34
sha1	5ade60d9c4999a3f6f629ce15cf110e0a774c454
sha256	b7392bb7701adf7f2c2300610a49a80221d1503b8841ee2652dbc30c84491a41
sha512	ce8d413f040b46ac70995fa9bc6ca42d5fbd40019dcea4dda0dda161af47b68b3f7f9fc89d64a5faa3fc77f7369941fd11dcdb76b66f314c8a5a5e8041388ddf
ripemd-160	6dd1a0553061fbb0da46c6a5626a2911ce7534d8

81002021 as geometric shapes

Circle

Radius = n

Diameter	162004042
Circumference	508950708.19905
Area	2.0613017976752E+16

Sphere

Radius = n

Volume	2.2262614867017E+24
Surface area	8.2452071907009E+16
Circumference	508950708.19905

Square

Length = n

Perimeter	324008084
Area	6561327406084441
Diagonal	114554156.67783

Cube

Length = n

Surface area	39367964436506646
Volume	5.3148078033553E+23
Space diagonal	140299615.88776

Equilateral Triangle

Length = n

Perimeter	243006063
Area	2.8411381081081E+15
Altitude	70149807.943881

Triangular Pyramid

Length = n

Surface area	2.8411381081081E+15
Volume	6.2635610640928E+22
Height	38184718.89261