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

81098889 (number)

81098889 is an odd 8-digits composite number following 81098888 and preceding 81098890. In scientific notation, it is written as 8.1098889 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 54065924 positive integers (up to 81098889) that are relatively prime to 81098889.

Interesting facts

81098889 has 4 divisors, whose sum is 108131856
The reverse of 81098889 is 98889018
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

Name	eighty-one million ninety-eight thousand eight hundred eighty-nine

Notation

Scientific notation	8.1098889 × 10^7
Engineering notation	8.1098889 × 10^6

Prime Factorization of 81098889

Prime Factorization 3 × 27032963

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81098889	Product of the distinct prime numbers

The prime factorization of 81098889 is 3 × 27032963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 72, 68, 530, 388, 917, 6907, 91383, 74801, 984499, 869334, 9293457, 2822649, 69007933, 40724609, 703556246, 934779853, 9959129626, 4969211568

Basic calculations (n = 81098889)

Multiplication

n×y

n×2	162197778
n×3	243296667
n×4	324395556
n×5	405494445

Division

n÷y

n÷2	40549444.5
n÷3	27032963
n÷3	20274722.25
n÷5	16219777.8

Exponentiation

n^y

n²	6577029797034321
n³	5.3338980945938E+23
n⁴	4.3257320951077E+31
n⁵	3.5081206702488E+39

Nth Root

^y√n

²√n	9005.492157567
³√n	432.85087679189
⁴√n	94.897271602333
⁵√n	38.177103991649

Divisors of 81098889

1, 3, 27032963, 81098889

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	-81098888	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 81098889 can be divided by 4 positive divisors. The sum of these divisors (counting 81098889) is 1, the average is 0.25.

Base conversion 81098889

Base	System	Value
2	Binary	100110101010111100010001001
3	Ternary	12122121020202120
4	Quaternary	10311113202021
5	Quinary	131230131024
6	Senary	12014121453
8	Octal	465274211
10	Decimal	81098889
12	Duodecimal	231b0289
16	Hexadecimal	4d57889
20	Vigesimal	156h749
36	Base36	1ca8ax

Cryptographic Hash Functions

md5	8545a47c7da9543b866e9610c4a3aeb5
sha1	322ddca62b2e712f549c6ca5a8aa566ef7e8989d
sha256	de837c29b0bc66d161c5e6007d3f316ec9d4281e24b5f5452e3b4a6038196e0a
sha512	04f1747cc20694761a1c47a34960f60c703f14b113b9aaf3e97abb7d70253bd8ed37b78b6b6719e2b993e15748a49e367674fb32a3895944e678149ebb41d3bc
ripemd-160	019f326404ae2dd92f0fc6825683f18501129ee5

81098889 as geometric shapes

Circle

Radius = n

Diameter	162197778
Circumference	509559347.79339
Area	2.0662348492804E+16

Sphere

Radius = n

Volume	2.2342580091963E+24
Surface area	8.2649393971217E+16
Circumference	509559347.79339

Square

Length = n

Perimeter	324395556
Area	6577029797034321
Diagonal	114691148.71719

Cube

Length = n

Surface area	39462178782205926
Volume	5.3338980945938E+23
Space diagonal	140467396.18539

Equilateral Triangle

Length = n

Perimeter	243296667
Area	2.8479374428395E+15
Altitude	70233698.092694

Triangular Pyramid

Length = n

Surface area	2.8479374428395E+15
Volume	6.2860591880755E+22
Height	38230382.90573