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

81272085 (number)

81272085 is an odd 8-digits composite number following 81272084 and preceding 81272086. In scientific notation, it is written as 8.1272085 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 43211520 positive integers (up to 81272085) that are relatively prime to 81272085.

Interesting facts

81272085 has 8 divisors, whose sum is 86957440
The reverse of 81272085 is 58027218
Previous prime number is 331

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million two hundred seventy-two thousand eighty-five

Notation

Scientific notation	8.1272085 × 10^7
Engineering notation	8.1272085 × 10^6

Prime Factorization of 81272085

Prime Factorization 15 × 331 × 16369

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81272085	Product of the distinct prime numbers

The prime factorization of 81272085 is 15 × 331 × 16369. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 57, 62, 807, 872, 4788, 9830, 23415, 22996, 775072, 887999, 8736420, 9745910, 65237025, 97299549, 706614154, 39600931, 3579356933, 8190131776

Basic calculations (n = 81272085)

Multiplication

n×y

n×2	162544170
n×3	243816255
n×4	325088340
n×5	406360425

Division

n÷y

n÷2	40636042.5
n÷3	27090695
n÷3	20318021.25
n÷5	16254417

Exponentiation

n^y

n²	6605151800247225
n³	5.368144585476E+23
n⁴	4.3628030304309E+31
n⁵	3.5457409872744E+39

Nth Root

^y√n

²√n	9015.1031608074
³√n	433.15879196798
⁴√n	94.947897084703
⁵√n	38.193396398691

Divisors of 81272085

1, 15, 331, 4965, 16369, 245535, 5418139, 81272085

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	-81272084	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 81272085 can be divided by 8 positive divisors. The sum of these divisors (counting 81272085) is 1, the average is 0.125.

Base conversion 81272085

Base	System	Value
2	Binary	100110110000001110100010101
3	Ternary	12122221001100020
4	Quaternary	10312001310111
5	Quinary	131301201320
6	Senary	12021535353
8	Octal	466016425
10	Decimal	81272085
12	Duodecimal	23274559
16	Hexadecimal	4d81d15
20	Vigesimal	157j045
36	Base36	1cdxxx

Cryptographic Hash Functions

md5	7e5555bc04f7d6130bd8fe456c892668
sha1	cdf748543055f0294877c37af0a97026ad22343b
sha256	11728327bee131e3b96363b031e6992af88ec3f0b1e38dfe25367a14f41e2e4a
sha512	8fcfe330a942f2d984af3b2504fe87b0091c5d507db8c6f4d67998e7b213dcbef8a051501a483a8f536eac77bf691a1e3aba74ad48e7adeeb11cf3b463304344
ripemd-160	0193dca4e31a74baa5a7d1c1feb824022b0698ea

81272085 as geometric shapes

Circle

Radius = n

Diameter	162544170
Circumference	510647570.35585
Area	2.0750696371502E+16

Sphere

Radius = n

Volume	2.2486031457519E+24
Surface area	8.3002785486008E+16
Circumference	510647570.35585

Square

Length = n

Perimeter	325088340
Area	6605151800247225
Diagonal	114936084.84934

Cube

Length = n

Surface area	39630910801483350
Volume	5.368144585476E+23
Space diagonal	140767380.45706

Equilateral Triangle

Length = n

Perimeter	243816255
Area	2.8601146274333E+15
Altitude	70383690.228528

Triangular Pyramid

Length = n

Surface area	2.8601146274333E+15
Volume	6.3264190646332E+22
Height	38312028.283113