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

81489465 (number)

81489465 is an odd 8-digits composite number following 81489464 and preceding 81489466. In scientific notation, it is written as 8.1489465 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 43461024 positive integers (up to 81489465) that are relatively prime to 81489465.

Interesting facts

81489465 has 8 divisors, whose sum is 115896192
The reverse of 81489465 is 56498418
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	eighty-one million four hundred eighty-nine thousand four hundred sixty-five

Notation

Scientific notation	8.1489465 × 10^7
Engineering notation	8.1489465 × 10^6

Prime Factorization of 81489465

Prime Factorization 3 × 15 × 1810877

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81489465	Product of the distinct prime numbers

The prime factorization of 81489465 is 3 × 15 × 1810877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 51, 93, 988, 789, 3716, 5248, 80846, 11416, 838720, 810064, 8628103, 1874447, 33504494, 36496718, 27299049, 273667945, 4815102731, 8940951350

Basic calculations (n = 81489465)

Multiplication

n×y

n×2	162978930
n×3	244468395
n×4	325957860
n×5	407447325

Division

n÷y

n÷2	40744732.5
n÷3	27163155
n÷3	20372366.25
n÷5	16297893

Exponentiation

n^y

n²	6640532905986225
n³	5.4113347382371E+23
n⁴	4.4096677275486E+31
n⁵	3.593414639457E+39

Nth Root

^y√n

²√n	9027.1515440919
³√n	433.54464086125
⁴√n	95.011323241453
⁵√n	38.213805896039

Divisors of 81489465

1, 3, 15, 45, 1810877, 5432631, 27163155, 81489465

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	-81489464	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 81489465 can be divided by 8 positive divisors. The sum of these divisors (counting 81489465) is 1, the average is 0.125.

Base conversion 81489465

Base	System	Value
2	Binary	100110110110110111000111001
3	Ternary	12200100002112100
4	Quaternary	10312312320321
5	Quinary	131330130330
6	Senary	12030334013
8	Octal	466667071
10	Decimal	81489465
12	Duodecimal	2335a309
16	Hexadecimal	4db6e39
20	Vigesimal	15963d5
36	Base36	1cilo9

Cryptographic Hash Functions

md5	73fb3c6ccf131851df3618cdc2f5d8fe
sha1	98f73423792ceb7348b5263d9bf4317691092cbf
sha256	a15d9f5735bd7cad4bf14af12feea087d64c748e2e40f0a71fa79435f3a374ae
sha512	f36bef26f22baae9df63c172686bfb8ba4401e869a38eafadbd9d844fcd7e816a551cced0b3f2f41a1fde826084a2dd264770eb9e3d068396c201cb1585ab713
ripemd-160	ca6fda6988117637ae7d70a8bc53fbe10f80be91

81489465 as geometric shapes

Circle

Radius = n

Diameter	162978930
Circumference	512013409.17793
Area	2.0861849393368E+16

Sphere

Radius = n

Volume	2.2666945946348E+24
Surface area	8.344739757347E+16
Circumference	512013409.17793

Square

Length = n

Perimeter	325957860
Area	6640532905986225
Diagonal	115243506.59353

Cube

Length = n

Surface area	39843197435917350
Volume	5.4113347382371E+23
Space diagonal	141143893.66161

Equilateral Triangle

Length = n

Perimeter	244468395
Area	2.8754350956253E+15
Altitude	70571946.830803

Triangular Pyramid

Length = n

Surface area	2.8754350956253E+15
Volume	6.3773191477963E+22
Height	38414502.197843