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

81361608 (number)

81361608 is an even 8-digits composite number following 81361607 and preceding 81361609. In scientific notation, it is written as 8.1361608 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 26245440 positive integers (up to 81361608) that are relatively prime to 81361608.

Interesting facts

81361608 has 32 divisors, whose sum is 209967360
The reverse of 81361608 is 80616318
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million three hundred sixty-one thousand six hundred eight

Notation

Scientific notation	8.1361608 × 10^7
Engineering notation	8.1361608 × 10^6

Prime Factorization of 81361608

Prime Factorization 2 × 2 × 2 × 3 × 31 × 109357

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	20340402	Product of the distinct prime numbers

The prime factorization of 81361608 is 2 × 2 × 2 × 3 × 31 × 109357. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 17, 98, 889, 479, 3361, 1542, 76148, 1091, 272451, 328506, 603614, 4369698, 85796468, 79109535, 890454817, 356884012, 5241317079, 9712378536

Basic calculations (n = 81361608)

Multiplication

n×y

n×2	162723216
n×3	244084824
n×4	325446432
n×5	406808040

Division

n÷y

n÷2	40680804
n÷3	27120536
n÷3	20340402
n÷5	16272321.6

Exponentiation

n^y

n²	6619711256345664
n³	5.3859035231198E+23
n⁴	4.3820577117389E+31
n⁵	3.5653126177588E+39

Nth Root

^y√n

²√n	9020.0669620574
³√n	433.31777827135
⁴√n	94.974033093564
⁵√n	38.201806868034

Divisors of 81361608

1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 109357, 218714, 328071, 437428, 656142, 874856, 1312284, 2624568, 3390067, 6780134, 10170201, 13560268, 20340402, 27120536, 40680804, 81361608

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81361607	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81361608 can be divided by 32 positive divisors. The sum of these divisors (counting 81361608) is 1, the average is 0.03125.

Base conversion 81361608

Base	System	Value
2	Binary	100110110010111101011001000
3	Ternary	12200002121010220
4	Quaternary	10312113223020
5	Quinary	131312032413
6	Senary	12023510040
8	Octal	466275310
10	Decimal	81361608
12	Duodecimal	232b8320
16	Hexadecimal	4d97ac8
20	Vigesimal	158a408
36	Base36	1cfv0o

Cryptographic Hash Functions

md5	65a4021dedb18f4951ea7f043b200fe0
sha1	dc4b77228bfe86c0fa753933cfa7ad123c3e9744
sha256	74bbcd97589d5f25f2e22ed7b66642149057b1292aaf349c3c833ec212a0e051
sha512	cc552b50f1fb7865fa295472788226dc6d6c2ac43b49e7adf64dcc8446886a5c22fd2d2b64f5dca02c7944dd4200c96a7e20ba0611f13a62e8389b680ab4b540
ripemd-160	75c548b426bc69fafa5eb9861757a3ce4fe6102c

81361608 as geometric shapes

Circle

Radius = n

Diameter	162723216
Circumference	511210059.95411
Area	2.0796436251821E+16

Sphere

Radius = n

Volume	2.2560419921569E+24
Surface area	8.3185745007285E+16
Circumference	511210059.95411

Square

Length = n

Perimeter	325446432
Area	6619711256345664
Diagonal	115062689.49008

Cube

Length = n

Surface area	39718267538073984
Volume	5.3859035231198E+23
Space diagonal	140922438.8415

Equilateral Triangle

Length = n

Perimeter	244084824
Area	2.8664190568566E+15
Altitude	70461219.420751

Triangular Pyramid

Length = n

Surface area	2.8664190568566E+15
Volume	6.3473481733576E+22
Height	38354229.830028