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

81444315 (number)

81444315 is an odd 8-digits composite number following 81444314 and preceding 81444316. In scientific notation, it is written as 8.1444315 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 43436960 positive integers (up to 81444315) that are relatively prime to 81444315.

Interesting facts

81444315 has 4 divisors, whose sum is 86873952
The reverse of 81444315 is 51344418
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	eighty-one million four hundred forty-four thousand three hundred fifteen

Notation

Scientific notation	8.1444315 × 10^7
Engineering notation	8.1444315 × 10^6

Prime Factorization of 81444315

Prime Factorization 15 × 5429621

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81444315	Product of the distinct prime numbers

The prime factorization of 81444315 is 15 × 5429621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 75, 91, 644, 768, 9717, 2304, 65730, 82894, 480733, 165110, 5401387, 5003987, 35358730, 43546349, 403169086, 521615127, 9470350495, 5078932593

Basic calculations (n = 81444315)

Multiplication

n×y

n×2	162888630
n×3	244332945
n×4	325777260
n×5	407221575

Division

n÷y

n÷2	40722157.5
n÷3	27148105
n÷3	20361078.75
n÷5	16288863

Exponentiation

n^y

n²	6633176445819225
n³	5.4023451190388E+23
n⁴	4.3999029761371E+31
n⁵	3.5834708395795E+39

Nth Root

^y√n

²√n	9024.6504087416
³√n	433.46455624827
⁴√n	94.99816002819
⁵√n	38.209570413962

Divisors of 81444315

1, 15, 5429621, 81444315

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	-81444314	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 81444315 can be divided by 4 positive divisors. The sum of these divisors (counting 81444315) is 1, the average is 0.25.

Base conversion 81444315

Base	System	Value
2	Binary	100110110101011110111011011
3	Ternary	12200020210121010
4	Quaternary	10312223313123
5	Quinary	131322204230
6	Senary	12025345003
8	Octal	466536733
10	Decimal	81444315
12	Duodecimal	23338163
16	Hexadecimal	4dabddb
20	Vigesimal	1590aff
36	Base36	1chmu3

Cryptographic Hash Functions

md5	c755784b7ff0fd89f8732a0fa81a7256
sha1	bd1e8610a25c048c2f3465cca1afe6427919586d
sha256	16fd2cc3ea2bba72014157caea35820530002a09835d5148d8bb491ceecdc07d
sha512	b4f74454b4b8b116d1d563afa40054293b8db2b2a79b78e199d2a23d6c3a4a898238beb695256ecb8e8a4c6feb0ca0178461b93c29f6d182afc965e17f6558be
ripemd-160	01da0a132a20f4f0c698d4f5937297e129f4b155

81444315 as geometric shapes

Circle

Radius = n

Diameter	162888630
Circumference	511729723.36131
Area	2.0838738392151E+16

Sphere

Radius = n

Volume	2.2629290317505E+24
Surface area	8.3354953568602E+16
Circumference	511729723.36131

Square

Length = n

Perimeter	325777260
Area	6633176445819225
Diagonal	115179654.85119

Cube

Length = n

Surface area	39799058674915350
Volume	5.4023451190388E+23
Space diagonal	141065691.56764

Equilateral Triangle

Length = n

Perimeter	244332945
Area	2.872249654932E+15
Altitude	70532845.783822

Triangular Pyramid

Length = n

Surface area	2.872249654932E+15
Volume	6.3667247799707E+22
Height	38393218.283729