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

81400515 (number)

81400515 is an odd 8-digits composite number following 81400514 and preceding 81400516. In scientific notation, it is written as 8.1400515 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 37211328 positive integers (up to 81400515) that are relatively prime to 81400515.

Interesting facts

81400515 has 8 divisors, whose sum is 88600000
The reverse of 81400515 is 51500418
Previous prime number is 49

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	eighty-one million four hundred thousand five hundred fifteen

Notation

Scientific notation	8.1400515 × 10^7
Engineering notation	8.1400515 × 10^6

Prime Factorization of 81400515

Prime Factorization 15 × 49 × 110749

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81400515	Product of the distinct prime numbers

The prime factorization of 81400515 is 15 × 49 × 110749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 8, 36, 371, 511, 564, 6333, 82452, 76319, 578302, 689052, 325555, 7015859, 95510015, 5295381, 607461360, 866765783, 2614519074, 8844525444

Basic calculations (n = 81400515)

Multiplication

n×y

n×2	162801030
n×3	244201545
n×4	325602060
n×5	407002575

Division

n÷y

n÷2	40700257.5
n÷3	27133505
n÷3	20350128.75
n÷5	16280103

Exponentiation

n^y

n²	6626043842265225
n³	5.3936338117297E+23
n⁴	4.3904456999621E+31
n⁵	3.5738454105645E+39

Nth Root

^y√n

²√n	9022.2233955938
³√n	433.3868379036
⁴√n	94.985385168424
⁵√n	38.205459778825

Divisors of 81400515

1, 15, 49, 735, 110749, 1661235, 5426701, 81400515

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	-81400514	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 81400515 can be divided by 8 positive divisors. The sum of these divisors (counting 81400515) is 1, the average is 0.125.

Base conversion 81400515

Base	System	Value
2	Binary	100110110100001001011000011
3	Ternary	12200011120111220
4	Quaternary	10312201023003
5	Quinary	131314304030
6	Senary	12024410123
8	Octal	466411303
10	Decimal	81400515
12	Duodecimal	23316943
16	Hexadecimal	4da12c3
20	Vigesimal	158f15f
36	Base36	1cgp1f

Cryptographic Hash Functions

md5	1c750142c1325fa21d03557c3b7a70dc
sha1	27f7aa9117bbcfe073fa2d6f1203780f6d684b39
sha256	43c3c6d679f16e4d8111727123a26bda2ba5838ea91e7e08410bbae845bb8efa
sha512	e7155e5b496edceeb2494a2de1fd9bc76876c7c06885f4af600dbc519d32c3038f014270a5aa6332b7e043fde98429a51fe9e25a12bee2d1f8cf3238b92f631b
ripemd-160	4fccda0432f9c286dbc5843a14321e95b12eccca

81400515 as geometric shapes

Circle

Radius = n

Diameter	162801030
Circumference	511454519.84485
Area	2.0816330657224E+16

Sphere

Radius = n

Volume	2.2592800478778E+24
Surface area	8.3265322628897E+16
Circumference	511454519.84485

Square

Length = n

Perimeter	325602060
Area	6626043842265225
Diagonal	115117712.29715

Cube

Length = n

Surface area	39756263053591350
Volume	5.3936338117297E+23
Space diagonal	140989827.74227

Equilateral Triangle

Length = n

Perimeter	244201545
Area	2.8691611469956E+15
Altitude	70494913.871136

Triangular Pyramid

Length = n

Surface area	2.8691611469956E+15
Volume	6.3564584058518E+22
Height	38372570.765718