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

81296129 (number)

81296129 is an odd 8-digits composite number following 81296128 and preceding 81296130. In scientific notation, it is written as 8.1296129 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 80655876 positive integers (up to 81296129) that are relatively prime to 81296129.

Interesting facts

81296129 has 4 divisors, whose sum is 81936384
The reverse of 81296129 is 92169218
Previous prime number is 127

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million two hundred ninety-six thousand one hundred twenty-nine

Notation

Scientific notation	8.1296129 × 10^7
Engineering notation	8.1296129 × 10^6

Prime Factorization of 81296129

Prime Factorization 127 × 640127

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81296129	Product of the distinct prime numbers

The prime factorization of 81296129 is 127 × 640127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 68, 9, 735, 573, 3691, 9164, 44124, 82643, 304951, 291872, 6902719, 842619, 8440172, 59128648, 791921774, 821114108, 4193714710, 5099793837

Basic calculations (n = 81296129)

Multiplication

n×y

n×2	162592258
n×3	243888387
n×4	325184516
n×5	406480645

Division

n÷y

n÷2	40648064.5
n÷3	27098709.666667
n÷3	20324032.25
n÷5	16259225.8

Exponentiation

n^y

n²	6609060590384641
n³	5.3729104232473E+23
n⁴	4.3679681887375E+31
n⁵	3.550989053395E+39

Nth Root

^y√n

²√n	9016.4366021173
³√n	433.20150381711
⁴√n	94.95491878843
⁵√n	38.195656002021

Divisors of 81296129

1, 127, 640127, 81296129

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	-81296128	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 81296129 can be divided by 4 positive divisors. The sum of these divisors (counting 81296129) is 1, the average is 0.25.

Base conversion 81296129

Base	System	Value
2	Binary	100110110000111101100000001
3	Ternary	12122222021022202
4	Quaternary	10312013230001
5	Quinary	131302434004
6	Senary	12022242545
8	Octal	466075401
10	Decimal	81296129
12	Duodecimal	23286455
16	Hexadecimal	4d87b01
20	Vigesimal	1582069
36	Base36	1ceght

Cryptographic Hash Functions

md5	bb377152e94c218fc6bf0bca3174fd51
sha1	2617ef773d784311a230baaa0206a35996fc01dc
sha256	f839c5acdb6906ef401133ca4d7e1693282d72dca3eb2cba0f68d4495c29fe59
sha512	78cd63952b135ed8659320ecd098414a2eb069efd878b6957e0d6600f407ce11161f98a4245bc5c90eee675d0e358a3e08d15eb793a59d5aebd37e774090f956
ripemd-160	09910c7d533432d8f3710eec3c5557baaf9b9d1b

81296129 as geometric shapes

Circle

Radius = n

Diameter	162592258
Circumference	510798643.26338
Area	2.0762976197882E+16

Sphere

Radius = n

Volume	2.2505994552093E+24
Surface area	8.3051904791529E+16
Circumference	510798643.26338

Square

Length = n

Perimeter	325184516
Area	6609060590384641
Diagonal	114970088.20023

Cube

Length = n

Surface area	39654363542307846
Volume	5.3729104232473E+23
Space diagonal	140809025.88667

Equilateral Triangle

Length = n

Perimeter	243888387
Area	2.8618071832118E+15
Altitude	70404512.943337

Triangular Pyramid

Length = n

Surface area	2.8618071832118E+15
Volume	6.33203565831E+22
Height	38323362.733411