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

81772021 (number)

81772021 is an odd 8-digits prime number following 81772020 and preceding 81772022. In scientific notation, it is written as 8.1772021 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 81772020 positive integers (up to 81772021) that are relatively prime to 81772021.

Interesting facts

81772021 has 2 divisors, whose sum is 81772022
The reverse of 81772021 is 12027718
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million seven hundred seventy-two thousand twenty-one

Notation

Scientific notation	8.1772021 × 10^7
Engineering notation	8.1772021 × 10^6

Prime Factorization of 81772021

Prime Factorization 81772021

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81772021	Product of the distinct prime numbers

The prime factorization of 81772021 is 81772021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 8, 41, 44, 650, 815, 2706, 8661, 34162, 84525, 543157, 182122, 8890764, 3109344, 27531362, 83574217, 404917278, 967421468, 9469465092, 6242286884

Basic calculations (n = 81772021)

Multiplication

n×y

n×2	163544042
n×3	245316063
n×4	327088084
n×5	408860105

Division

n÷y

n÷2	40886010.5
n÷3	27257340.333333
n÷3	20443005.25
n÷5	16354404.2

Exponentiation

n^y

n²	6686663418424441
n³	5.4678198147134E+23
n⁴	4.4711467671296E+31
n⁵	3.656147073358E+39

Nth Root

^y√n

²√n	9042.7883420989
³√n	434.0451526992
⁴√n	95.093576765725
⁵√n	38.240269673887

Divisors of 81772021

1, 81772021

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81772022	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40886011	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9042.7883973916	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999755418	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81772021 can be divided by 2 positive divisors. The sum of these divisors (counting 81772021) is 81772022, the average is 40886011.

Base conversion 81772021

Base	System	Value
2	Binary	100110111111011110111110101
3	Ternary	12200212110010101
4	Quaternary	10313323313311
5	Quinary	131413201041
6	Senary	12040354101
8	Octal	467736765
10	Decimal	81772021
12	Duodecimal	23475931
16	Hexadecimal	4dfbdf5
20	Vigesimal	15b1a11
36	Base36	1conp1

Cryptographic Hash Functions

md5	9824d23526ce59fc76680df7e1a83ec5
sha1	4bf1c3ca88f41a704ff0a2b7317108568fabb288
sha256	edb87335fa12022d8199f2c6d0de8ae1ddd4b0940df63a97040f77d0b4c8fbb7
sha512	e91aed5e7d7b4b36cbc6e2ad7a23b88047f4c14249f86161bb2fd41c848ecde10f9e2910a5bba3cab44bf35e9aca81ba889d2b8b93439fbd53a7be0ae322bfdf
ripemd-160	316a17668b3f00e8336866f67a69cb60725a8bd0

81772021 as geometric shapes

Circle

Radius = n

Diameter	163544042
Circumference	513788760.88558
Area	2.100677267235E+16

Sphere

Radius = n

Volume	2.2903550081408E+24
Surface area	8.4027090689399E+16
Circumference	513788760.88558

Square

Length = n

Perimeter	327088084
Area	6686663418424441
Diagonal	115643101.12086

Cube

Length = n

Surface area	40119980510546646
Volume	5.4678198147134E+23
Space diagonal	141633295.00959

Equilateral Triangle

Length = n

Perimeter	245316063
Area	2.8954101934558E+15
Altitude	70816647.504795

Triangular Pyramid

Length = n

Surface area	2.8954101934558E+15
Volume	6.4438874488166E+22
Height	38547700.373619