81796721, eighty-one million seven hundred ninety-six thousand seven hundred twenty-one: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

81796721 has 2 divisors, whose sum is 81796722
The reverse of 81796721 is 12769718
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	eighty-one million seven hundred ninety-six thousand seven hundred twenty-one

Notation

Scientific notation	8.1796721 × 10^7
Engineering notation	8.1796721 × 10^6

Prime Factorization of 81796721

Prime Factorization 81796721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81796721	Product of the distinct prime numbers

The prime factorization of 81796721 is 81796721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 2, 82, 92, 292, 608, 9586, 5804, 78613, 24291, 954953, 689026, 8147752, 3532420, 94319710, 23485375, 785928932, 406170573, 4592617192, 3723294514

Basic calculations (n = 81796721)

Multiplication

n×y

n×2	163593442
n×3	245390163
n×4	327186884
n×5	408983605

Division

n÷y

n÷2	40898360.5
n÷3	27265573.666667
n÷3	20449180.25
n÷5	16359344.2

Exponentiation

n^y

n²	6690703566351841
n³	5.4727761291059E+23
n⁴	4.4765514212793E+31
n⁵	3.6616722764854E+39

Nth Root

^y√n

²√n	9044.1539681719
³√n	434.08885075905
⁴√n	95.100756927439
⁵√n	38.242579560686

Divisors of 81796721

1, 81796721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81796722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40898361	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9044.1540234563	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999755491	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81796721 can be divided by 2 positive divisors. The sum of these divisors (counting 81796721) is 81796722, the average is 40898361.

Base conversion 81796721

Base	System	Value
2	Binary	100111000000001111001110001
3	Ternary	12200220201000012
4	Quaternary	10320001321301
5	Quinary	131414443341
6	Senary	12041104305
8	Octal	470017161
10	Decimal	81796721
12	Duodecimal	23488095
16	Hexadecimal	4e01e71
20	Vigesimal	15b4bg1
36	Base36	1cp6r5

Cryptographic Hash Functions

md5	3b65232a9402df8b80e4875540144c75
sha1	b6f7cfba97abc6550f583e0e2b1e37478dfbec14
sha256	db0766152f53a12f6827c7a4003c2f0c4e299d022c5271f595e7e711c53a7d30
sha512	4077753b9e33cb9d677c9d6132c05e18dc5d7a83a2534120d0022cecb7027017666ce18e4fd46aa46cddadde335a4a1f8ffad0a0c308c4a87fd42092201f5856
ripemd-160	01afb57ddbd43423cf2a0328b5d68aca3bad5915

81796721 as geometric shapes

Circle

Radius = n

Diameter	163593442
Circumference	513943955.56267
Area	2.1019465171398E+16

Sphere

Radius = n

Volume	2.2924311042587E+24
Surface area	8.4077860685592E+16
Circumference	513943955.56267

Square

Length = n

Perimeter	327186884
Area	6690703566351841
Diagonal	115678032.19585

Cube

Length = n

Surface area	40144221398111046
Volume	5.4727761291059E+23
Space diagonal	141676076.66454

Equilateral Triangle

Length = n

Perimeter	245390163
Area	2.8971596288259E+15
Altitude	70838038.332268

Triangular Pyramid

Length = n

Surface area	2.8971596288259E+15
Volume	6.4497285213444E+22
Height	38559344.065283