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

81489629 (number)

81489629 is an odd 8-digits composite number following 81489628 and preceding 81489630. In scientific notation, it is written as 8.1489629 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 75221184 positive integers (up to 81489629) that are relatively prime to 81489629.

Interesting facts

81489629 has 4 divisors, whose sum is 87758076
The reverse of 81489629 is 92698418
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	eighty-one million four hundred eighty-nine thousand six hundred twenty-nine

Notation

Scientific notation	8.1489629 × 10^7
Engineering notation	8.1489629 × 10^6

Prime Factorization of 81489629

Prime Factorization 13 × 6268433

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81489629	Product of the distinct prime numbers

The prime factorization of 81489629 is 13 × 6268433. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 64, 11, 657, 879, 8404, 9374, 27860, 38952, 233020, 343090, 2259467, 8286980, 7374003, 18166841, 976869131, 375970863, 7058036332, 68997517

Basic calculations (n = 81489629)

Multiplication

n×y

n×2	162979258
n×3	244468887
n×4	325958516
n×5	407448145

Division

n÷y

n÷2	40744814.5
n÷3	27163209.666667
n÷3	20372407.25
n÷5	16297925.8

Exponentiation

n^y

n²	6640559634557641
n³	5.4113674097248E+23
n⁴	4.4097032260116E+31
n⁵	3.5934507988779E+39

Nth Root

^y√n

²√n	9027.1606277943
³√n	433.5449317016
⁴√n	95.011371044704
⁵√n	38.213821277314

Divisors of 81489629

1, 13, 6268433, 81489629

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	-81489628	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 81489629 can be divided by 4 positive divisors. The sum of these divisors (counting 81489629) is 1, the average is 0.25.

Base conversion 81489629

Base	System	Value
2	Binary	100110110110110111011011101
3	Ternary	12200100002202102
4	Quaternary	10312312323131
5	Quinary	131330132004
6	Senary	12030334445
8	Octal	466667335
10	Decimal	81489629
12	Duodecimal	2335a425
16	Hexadecimal	4db6edd
20	Vigesimal	1596419
36	Base36	1cilst

Cryptographic Hash Functions

md5	ed308108ab55536d0aa661e16fa51c49
sha1	bd59f607ba572fe75c730ff7aba7c07ce8ab8fe7
sha256	ec569ecd1727397241859820b491228f2937cbfed0f091e423c461212c0da504
sha512	291e9e99791d6256200203b30b9303e0043cf8f013cbb129bb61fb68f300ae268961d3840d9db0def08f151af7d4c65cfee64722c4429558d9da1280cf8bd6c1
ripemd-160	02280de63540819e0d066cfbe714f38ae19a100b

81489629 as geometric shapes

Circle

Radius = n

Diameter	162979258
Circumference	512014439.62032
Area	2.0861933363651E+16

Sphere

Radius = n

Volume	2.2667082800355E+24
Surface area	8.3447733454605E+16
Circumference	512014439.62032

Square

Length = n

Perimeter	325958516
Area	6640559634557641
Diagonal	115243738.52455

Cube

Length = n

Surface area	39843357807345846
Volume	5.4113674097248E+23
Space diagonal	141144177.71794

Equilateral Triangle

Length = n

Perimeter	244468887
Area	2.8754466694362E+15
Altitude	70572088.858969

Triangular Pyramid

Length = n

Surface area	2.8754466694362E+15
Volume	6.3773576515138E+22
Height	38414579.508184