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

81002015 (number)

81002015 is an odd 8-digits composite number following 81002014 and preceding 81002016. In scientific notation, it is written as 8.1002015 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 64073152 positive integers (up to 81002015) that are relatively prime to 81002015.

Interesting facts

81002015 has 8 divisors, whose sum is 98295120
The reverse of 81002015 is 51020018
Previous prime number is 89

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	eighty-one million two thousand fifteen

Notation

Scientific notation	8.1002015 × 10^7
Engineering notation	8.1002015 × 10^6

Prime Factorization of 81002015

Prime Factorization 5 × 89 × 182027

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81002015	Product of the distinct prime numbers

The prime factorization of 81002015 is 5 × 89 × 182027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 95, 73, 753, 90, 4385, 2722, 91573, 93095, 302054, 412858, 9263894, 9441401, 81809973, 72908363, 582923734, 785632531, 9775790441, 7925933227

Basic calculations (n = 81002015)

Multiplication

n×y

n×2	162004030
n×3	243006045
n×4	324008060
n×5	405010075

Division

n÷y

n÷2	40501007.5
n÷3	27000671.666667
n÷3	20250503.75
n÷5	16200403

Exponentiation

n^y

n²	6561326434060225
n³	5.3148066223164E+23
n⁴	4.3051004574297E+31
n⁵	3.4872181182923E+39

Nth Root

^y√n

²√n	9000.1119437483
³√n	432.67845888085
⁴√n	94.868919798574
⁵√n	38.167978990823

Divisors of 81002015

1, 5, 89, 445, 182027, 910135, 16200403, 81002015

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	-81002014	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 81002015 can be divided by 8 positive divisors. The sum of these divisors (counting 81002015) is 1, the average is 0.125.

Base conversion 81002015

Base	System	Value
2	Binary	100110100111111111000011111
3	Ternary	12122102022212122
4	Quaternary	10310333320133
5	Quinary	131214031030
6	Senary	12012053155
8	Octal	464777037
10	Decimal	81002015
12	Duodecimal	231641bb
16	Hexadecimal	4d3fe1f
20	Vigesimal	156550f
36	Base36	1c85jz

Cryptographic Hash Functions

md5	7eb739d5082958bfbc489349eae716d2
sha1	cffcfaf80b17fa6572a1b3d2036e4648d9d951ce
sha256	2ffde8ad0a03ecf56ffa7c3b2a12dbb2cd81db60d73b8f017424b75cd852a7a9
sha512	a86dffad136ecc6c246f9ad6b8035e74b6f086d9f7e9e4293ce7276a7f51dce1d23e9336f8510275b31d90324fcd574d4825cec760b7ccd70f6085f1c74ee72c
ripemd-160	0c622958af8f5e4433c5d92803823a313d4daaad

81002015 as geometric shapes

Circle

Radius = n

Diameter	162004030
Circumference	508950670.49994
Area	2.0613014923048E+16

Sphere

Radius = n

Volume	2.2262609919893E+24
Surface area	8.2452059692192E+16
Circumference	508950670.49994

Square

Length = n

Perimeter	324008060
Area	6561326434060225
Diagonal	114554148.19255

Cube

Length = n

Surface area	39367958604361350
Volume	5.3148066223164E+23
Space diagonal	140299605.49546

Equilateral Triangle

Length = n

Perimeter	243006045
Area	2.8411376872093E+15
Altitude	70149802.747728

Triangular Pyramid

Length = n

Surface area	2.8411376872093E+15
Volume	6.2635596722252E+22
Height	38184716.064183