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

81011489 (number)

81011489 is an odd 8-digits composite number following 81011488 and preceding 81011490. In scientific notation, it is written as 8.1011489 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 74319120 positive integers (up to 81011489) that are relatively prime to 81011489.

Interesting facts

81011489 has 8 divisors, whose sum is 87780672
The reverse of 81011489 is 98411018
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	8.1011489 × 10^7
Engineering notation	8.1011489 × 10^6

Prime Factorization of 81011489

Prime Factorization 13 × 163 × 38231

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81011489	Product of the distinct prime numbers

The prime factorization of 81011489 is 13 × 163 × 38231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 79, 63, 89, 801, 2142, 9095, 22588, 72662, 491108, 645685, 7969520, 5920918, 14569091, 90799497, 327309206, 161506125, 4305848186, 7643548110

Basic calculations (n = 81011489)

Multiplication

n×y

n×2	162022978
n×3	243034467
n×4	324045956
n×5	405057445

Division

n÷y

n÷2	40505744.5
n÷3	27003829.666667
n÷3	20252872.25
n÷5	16202297.8

Exponentiation

n^y

n²	6562861349997121
n³	5.3166717006382E+23
n⁴	4.3071149099286E+31
n⁵	3.4892579214742E+39

Nth Root

^y√n

²√n	9000.6382551461
³√n	432.69532692179
⁴√n	94.871693645397
⁵√n	38.168871774828

Divisors of 81011489

1, 13, 163, 2119, 38231, 497003, 6231653, 81011489

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	-81011488	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 81011489 can be divided by 8 positive divisors. The sum of these divisors (counting 81011489) is 1, the average is 0.125.

Base conversion 81011489

Base	System	Value
2	Binary	100110101000010001100100001
3	Ternary	12122102210212112
4	Quaternary	10311002030201
5	Quinary	131214331424
6	Senary	12012205105
8	Octal	465021441
10	Decimal	81011489
12	Duodecimal	23169795
16	Hexadecimal	4d42321
20	Vigesimal	15668e9
36	Base36	1c8cv5

Cryptographic Hash Functions

md5	1d048766102139713dd0a703cd47230c
sha1	6902fdbefd7b7c7c34585618d56870ab15bc734c
sha256	ad4700fb59517e3a2bf3b1d9d489d790a0bef68ef87218b12d93350ebfb49665
sha512	baefa511e573ac6b11b203fc182a4eb26e91cb82acaece3e14d516d27e6f09e1dd39a2028bbcc331dc1d4af3d231d3beb52d2a889a273c1c4b1b99f5bc0898a1
ripemd-160	9e8bfc35d68538bfc39dc5629d68df54c3a5b2ab

81011489 as geometric shapes

Circle

Radius = n

Diameter	162022978
Circumference	509010197.39754
Area	2.0617837003679E+16

Sphere

Radius = n

Volume	2.2270422341698E+24
Surface area	8.2471348014717E+16
Circumference	509010197.39754

Square

Length = n

Perimeter	324045956
Area	6562861349997121
Diagonal	114567546.45184

Cube

Length = n

Surface area	39377168099982726
Volume	5.3166717006382E+23
Space diagonal	140316014.94481

Equilateral Triangle

Length = n

Perimeter	243034467
Area	2.8418023253063E+15
Altitude	70158007.472404

Triangular Pyramid

Length = n

Surface area	2.8418023253063E+15
Volume	6.2657576881064E+22
Height	38189182.150613