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

81489355 (number)

81489355 is an odd 8-digits composite number following 81489354 and preceding 81489356. In scientific notation, it is written as 8.1489355 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 62225280 positive integers (up to 81489355) that are relatively prime to 81489355.

Interesting facts

81489355 has 8 divisors, whose sum is 97848864
The reverse of 81489355 is 55398418
Previous prime number is 1961

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-one million four hundred eighty-nine thousand three hundred fifty-five

Notation

Scientific notation	8.1489355 × 10^7
Engineering notation	8.1489355 × 10^6

Prime Factorization of 81489355

Prime Factorization 5 × 1961 × 8311

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81489355	Product of the distinct prime numbers

The prime factorization of 81489355 is 5 × 1961 × 8311. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 83, 74, 511, 171, 3205, 4790, 22973, 96284, 482126, 334348, 5687960, 6849930, 86658512, 47242192, 725451640, 352131733, 1344028227, 118863307

Basic calculations (n = 81489355)

Multiplication

n×y

n×2	162978710
n×3	244468065
n×4	325957420
n×5	407446775

Division

n÷y

n÷2	40744677.5
n÷3	27163118.333333
n÷3	20372338.75
n÷5	16297871

Exponentiation

n^y

n²	6640514978316025
n³	5.4113128245081E+23
n⁴	4.4096439177239E+31
n⁵	3.59339038635E+39

Nth Root

^y√n

²√n	9027.1454513595
³√n	433.54444578519
⁴√n	95.011291178257
⁵√n	38.213795579317

Divisors of 81489355

1, 5, 1961, 8311, 9805, 41555, 16297871, 81489355

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	-81489354	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 81489355 can be divided by 8 positive divisors. The sum of these divisors (counting 81489355) is 1, the average is 0.125.

Base conversion 81489355

Base	System	Value
2	Binary	100110110110110110111001011
3	Ternary	12200100002101021
4	Quaternary	10312312313023
5	Quinary	131330124410
6	Senary	12030333311
8	Octal	466666713
10	Decimal	81489355
12	Duodecimal	2335a237
16	Hexadecimal	4db6dcb
20	Vigesimal	159637f
36	Base36	1cill7

Cryptographic Hash Functions

md5	862f836c21ccd64bf14e65773547a5de
sha1	f1b9e60fd2923b0e33f7055ef0a385642704257c
sha256	063792ef0ed08e02847e95bb88d74dd270e807d4d41b031c4dd04908a31ed7da
sha512	fd5a435079e412130e476c3363eb96d2317fc799394d24e3a0fb5da043238513046126867b67106f0fdc86769311ccb6bf79b945b0c2fd3499fa2cffd50eb412
ripemd-160	d4b46792cd0cab4cdd024ec3de2673f33bec6d89

81489355 as geometric shapes

Circle

Radius = n

Diameter	162978710
Circumference	512012718.02754
Area	2.0861793071931E+16

Sphere

Radius = n

Volume	2.2666854154335E+24
Surface area	8.3447172287722E+16
Circumference	512012718.02754

Square

Length = n

Perimeter	325957420
Area	6640514978316025
Diagonal	115243351.03004

Cube

Length = n

Surface area	39843089869896150
Volume	5.4113128245081E+23
Space diagonal	141143703.13602

Equilateral Triangle

Length = n

Perimeter	244468065
Area	2.8754273327164E+15
Altitude	70571851.568008

Triangular Pyramid

Length = n

Surface area	2.8754273327164E+15
Volume	6.377293322219E+22
Height	38414450.343345