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

81265825 (number)

81265825 is an odd 8-digits composite number following 81265824 and preceding 81265826. In scientific notation, it is written as 8.1265825 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 65012640 positive integers (up to 81265825) that are relatively prime to 81265825.

Interesting facts

81265825 has 6 divisors, whose sum is 100769654
The reverse of 81265825 is 52856218
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million two hundred sixty-five thousand eight hundred twenty-five

Notation

Scientific notation	8.1265825 × 10^7
Engineering notation	8.1265825 × 10^6

Prime Factorization of 81265825

Prime Factorization 5 × 5 × 3250633

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	16253165	Product of the distinct prime numbers

The prime factorization of 81265825 is 5 × 5 × 3250633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 62, 58, 996, 386, 8839, 2893, 35594, 77582, 754714, 672471, 9554353, 3711741, 13964920, 43261270, 742708567, 623231767, 2973349333, 9838521059

Basic calculations (n = 81265825)

Multiplication

n×y

n×2	162531650
n×3	243797475
n×4	325063300
n×5	406329125

Division

n÷y

n÷2	40632912.5
n÷3	27088608.333333
n÷3	20316456.25
n÷5	16253165

Exponentiation

n^y

n²	6604134312930625
n³	5.3669042335112E+23
n⁴	4.3614590023228E+31
n⁵	3.5443756402744E+39

Nth Root

^y√n

²√n	9014.7559589819
³√n	433.14767029908
⁴√n	94.946068686291
⁵√n	38.192808009632

Divisors of 81265825

1, 5, 25, 3250633, 16253165, 81265825

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81265824	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81265825 can be divided by 6 positive divisors. The sum of these divisors (counting 81265825) is 1, the average is 0.16666666666667.

Base conversion 81265825

Base	System	Value
2	Binary	100110110000000010010100001
3	Ternary	12122220201202101
4	Quaternary	10312000102201
5	Quinary	131301001300
6	Senary	12021450401
8	Octal	466002241
10	Decimal	81265825
12	Duodecimal	23270a01
16	Hexadecimal	4d804a1
20	Vigesimal	157i4b5
36	Base36	1cdt41

Cryptographic Hash Functions

md5	1cc2a859b3e72b94a293f7d7422fe4a4
sha1	cb9a629721d7bc7ebae9aca9c636f463563d4396
sha256	96d711193fdb2f4ee3dc4716805ab5ebb0f4c88416f5ff6f99ccc832ffa86f8e
sha512	49bf51a3094972023c7ec9523c58984d6098b1a331b8d5b2f520c914a574605e9c300bc396fdf18f3291028c1c38fe2da164fa878e34fb51f2669bc0f86a73fd
ripemd-160	9aa44ad9b2acd99a67aac9a7eb8f8d45c9d2fe7f

81265825 as geometric shapes

Circle

Radius = n

Diameter	162531650
Circumference	510608237.61583
Area	2.0747499840823E+16

Sphere

Radius = n

Volume	2.2480835883358E+24
Surface area	8.2989999363293E+16
Circumference	510608237.61583

Square

Length = n

Perimeter	325063300
Area	6604134312930625
Diagonal	114927231.87244

Cube

Length = n

Surface area	39624805877583750
Volume	5.3669042335112E+23
Space diagonal	140756537.819

Equilateral Triangle

Length = n

Perimeter	243797475
Area	2.8596740425012E+15
Altitude	70378268.909501

Triangular Pyramid

Length = n

Surface area	2.8596740425012E+15
Volume	6.3249572958242E+22
Height	38309077.290813