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

81032015 (number)

81032015 is an odd 8-digits composite number following 81032014 and preceding 81032016. In scientific notation, it is written as 8.1032015 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 63897600 positive integers (up to 81032015) that are relatively prime to 81032015.

Interesting facts

81032015 has 8 divisors, whose sum is 97393968
The reverse of 81032015 is 51023018
Previous prime number is 25283

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million thirty-two thousand fifteen

Notation

Scientific notation	8.1032015 × 10^7
Engineering notation	8.1032015 × 10^6

Prime Factorization of 81032015

Prime Factorization 5 × 25283 × 641

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81032015	Product of the distinct prime numbers

The prime factorization of 81032015 is 5 × 25283 × 641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 16, 41, 869, 801, 9275, 6966, 95779, 43802, 705187, 147061, 4994045, 3053831, 68232230, 15061513, 191359635, 831726383, 2775194516, 8568361591

Basic calculations (n = 81032015)

Multiplication

n×y

n×2	162064030
n×3	243096045
n×4	324128060
n×5	405160075

Division

n÷y

n÷2	40516007.5
n÷3	27010671.666667
n÷3	20258003.75
n÷5	16206403

Exponentiation

n^y

n²	6566187454960225
n³	5.3207140034315E+23
n⁴	4.3114817693677E+31
n⁵	3.4936805540763E+39

Nth Root

^y√n

²√n	9001.7784353982
³√n	432.73186805272
⁴√n	94.877702519603
⁵√n	38.170805759456

Divisors of 81032015

1, 5, 641, 3205, 25283, 126415, 16206403, 81032015

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	-81032014	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 81032015 can be divided by 8 positive divisors. The sum of these divisors (counting 81032015) is 1, the average is 0.125.

Base conversion 81032015

Base	System	Value
2	Binary	100110101000111001101001111
3	Ternary	12122110212000202
4	Quaternary	10311013031033
5	Quinary	131221011030
6	Senary	12012444115
8	Octal	465071517
10	Decimal	81032015
12	Duodecimal	2317963b
16	Hexadecimal	4d4734f
20	Vigesimal	156900f
36	Base36	1c8spb

Cryptographic Hash Functions

md5	6817775726b89f26eda850f845676583
sha1	806399b573ae23606e04affe8aa7032fa514ed74
sha256	129860ca7b10738cb8c5c3fd40bb0861cfdc8b190da3c195abf96127f0c1426d
sha512	c15f353724a717f46a4573e640169adb5e801ec008e3e0c3e0d7463c849d8cc726695681330d03198427ac92ae0496987a28e54542f48431961826d33d9b0e8a
ripemd-160	46e3e90939f616c87ab0dc0ad1f3be78a03a15af

81032015 as geometric shapes

Circle

Radius = n

Diameter	162064030
Circumference	509139166.05916
Area	2.0628286270597E+16

Sphere

Radius = n

Volume	2.2287354700044E+24
Surface area	8.2513145082386E+16
Circumference	509139166.05916

Square

Length = n

Perimeter	324128060
Area	6566187454960225
Diagonal	114596574.59942

Cube

Length = n

Surface area	39397124729761350
Volume	5.3207140034315E+23
Space diagonal	140351567.01968

Equilateral Triangle

Length = n

Perimeter	243096045
Area	2.8432425710031E+15
Altitude	70175783.509842

Triangular Pyramid

Length = n

Surface area	2.8432425710031E+15
Volume	6.2705215876344E+22
Height	38198858.199807