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

81492007 (number)

81492007 is an odd 8-digits composite number following 81492006 and preceding 81492008. In scientific notation, it is written as 8.1492007 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 77202936 positive integers (up to 81492007) that are relatively prime to 81492007.

Interesting facts

81492007 has 4 divisors, whose sum is 85781080
The reverse of 81492007 is 70029418
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million four hundred ninety-two thousand seven

Notation

Scientific notation	8.1492007 × 10^7
Engineering notation	8.1492007 × 10^6

Prime Factorization of 81492007

Prime Factorization 19 × 4289053

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81492007	Product of the distinct prime numbers

The prime factorization of 81492007 is 19 × 4289053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 81, 44, 409, 77, 6622, 2127, 17808, 17832, 385786, 48920, 8152018, 8358201, 49190423, 4590025, 293836965, 527807067, 7319548172, 5289508239

Basic calculations (n = 81492007)

Multiplication

n×y

n×2	162984014
n×3	244476021
n×4	325968028
n×5	407460035

Division

n÷y

n÷2	40746003.5
n÷3	27164002.333333
n÷3	20373001.75
n÷5	16298401.4

Exponentiation

n^y

n²	6640947204888049
n³	5.4118411610737E+23
n⁴	4.410217977811E+31
n⁵	3.593975143193E+39

Nth Root

^y√n

²√n	9027.2923404529
³√n	433.54914884282
⁴√n	95.012064183728
⁵√n	38.21404430301

Divisors of 81492007

1, 19, 4289053, 81492007

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	-81492006	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 81492007 can be divided by 4 positive divisors. The sum of these divisors (counting 81492007) is 1, the average is 0.25.

Base conversion 81492007

Base	System	Value
2	Binary	100110110110111100000100111
3	Ternary	12200100020000111
4	Quaternary	10312313200213
5	Quinary	131330221012
6	Senary	12030353451
8	Octal	466674047
10	Decimal	81492007
12	Duodecimal	2335b887
16	Hexadecimal	4db7827
20	Vigesimal	1596a07
36	Base36	1cinmv

Cryptographic Hash Functions

md5	9b0517b24cdfcfdf482aabebeaac44c6
sha1	7e7aae7388a6f1d059fa7a09f287bb55203fcdce
sha256	d781f94f25f3638d479bfdb05a2e8729ab43a189c46d62e1f7128454045a2a48
sha512	3a86d44e687a901c9b81830f1f82acce7e3d02dd9982ec11c69f39a07398b570733829ca597414f3ef248294cc7f8796e9326697f66f5db305e0fc2c7993a956
ripemd-160	cdeb46d626c9378fe24051300d1c014915abf124

81492007 as geometric shapes

Circle

Radius = n

Diameter	162984014
Circumference	512029381.03498
Area	2.0863150951754E+16

Sphere

Radius = n

Volume	2.2669067245365E+24
Surface area	8.3452603807016E+16
Circumference	512029381.03498

Square

Length = n

Perimeter	325968028
Area	6640947204888049
Diagonal	115247101.5244

Cube

Length = n

Surface area	39845683229328294
Volume	5.4118411610737E+23
Space diagonal	141148296.53476

Equilateral Triangle

Length = n

Perimeter	244476021
Area	2.8756144923122E+15
Altitude	70574148.267379

Triangular Pyramid

Length = n

Surface area	2.8756144923122E+15
Volume	6.3779159728328E+22
Height	38415700.508134