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

81489079 (number)

81489079 is an odd 8-digits composite number following 81489078 and preceding 81489080. In scientific notation, it is written as 8.1489079 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 69418296 positive integers (up to 81489079) that are relatively prime to 81489079.

Interesting facts

81489079 has 8 divisors, whose sum is 93703040
The reverse of 81489079 is 97098418
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	eighty-one million four hundred eighty-nine thousand seventy-nine

Notation

Scientific notation	8.1489079 × 10^7
Engineering notation	8.1489079 × 10^6

Prime Factorization of 81489079

Prime Factorization 7 × 163 × 71419

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81489079	Product of the distinct prime numbers

The prime factorization of 81489079 is 7 × 163 × 71419. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 39, 96, 594, 428, 2221, 7173, 15832, 26190, 322924, 524102, 8178020, 8516960, 29917628, 49938355, 642239821, 350678163, 679548342, 4933763940

Basic calculations (n = 81489079)

Multiplication

n×y

n×2	162978158
n×3	244467237
n×4	325956316
n×5	407445395

Division

n÷y

n÷2	40744539.5
n÷3	27163026.333333
n÷3	20372269.75
n÷5	16297815.8

Exponentiation

n^y

n²	6640469996268241
n³	5.4112578412303E+23
n⁴	4.4095841771339E+31
n⁵	3.5933295336761E+39

Nth Root

^y√n

²√n	9027.1301641219
³√n	433.54395632084
⁴√n	95.011210728639
⁵√n	38.213769693674

Divisors of 81489079

1, 7, 163, 1141, 71419, 499933, 11641297, 81489079

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	-81489078	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 81489079 can be divided by 8 positive divisors. The sum of these divisors (counting 81489079) is 1, the average is 0.125.

Base conversion 81489079

Base	System	Value
2	Binary	100110110110110110010110111
3	Ternary	12200100002000001
4	Quaternary	10312312302313
5	Quinary	131330122304
6	Senary	12030332131
8	Octal	466666267
10	Decimal	81489079
12	Duodecimal	2335a047
16	Hexadecimal	4db6cb7
20	Vigesimal	15962dj
36	Base36	1cildj

Cryptographic Hash Functions

md5	7912e356feabb90abf0e41611571b7a0
sha1	fb98273f0c695fffce0910a062f93f94b8eba032
sha256	7da9316098428b17007071ff2086e40a5b7a13cd9eba997dc879443517954602
sha512	0f6c671521e6430f4c350310f7b1a2e930d314080dfe02b65109bd926fd5ac272887bfea5d263c889ced5211a78fb7518c2a60687ee38c0ac0e6ceaa4254a475
ripemd-160	d97f2a4c7598d1cfb5b0b12cada462ad86a1bb38

81489079 as geometric shapes

Circle

Radius = n

Diameter	162978158
Circumference	512010983.8684
Area	2.086165175666E+16

Sphere

Radius = n

Volume	2.2666623840919E+24
Surface area	8.3446607026639E+16
Circumference	512010983.8684

Square

Length = n

Perimeter	325956316
Area	6640469996268241
Diagonal	115242960.70709

Cube

Length = n

Surface area	39842819977609446
Volume	5.4112578412303E+23
Space diagonal	141143225.08999

Equilateral Triangle

Length = n

Perimeter	244467237
Area	2.8754078549183E+15
Altitude	70571612.544997

Triangular Pyramid

Length = n

Surface area	2.8754078549183E+15
Volume	6.3772285238047E+22
Height	38414320.235698