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

81746989 (number)

81746989 is an odd 8-digits composite number following 81746988 and preceding 81746990. In scientific notation, it is written as 8.1746989 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 79753120 positive integers (up to 81746989) that are relatively prime to 81746989.

Interesting facts

81746989 has 4 divisors, whose sum is 83740860
The reverse of 81746989 is 98964718
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7

Name

Name	eighty-one million seven hundred forty-six thousand nine hundred eighty-nine

Notation

Scientific notation	8.1746989 × 10^7
Engineering notation	8.1746989 × 10^6

Prime Factorization of 81746989

Prime Factorization 41 × 1993829

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81746989	Product of the distinct prime numbers

The prime factorization of 81746989 is 41 × 1993829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 46, 23, 878, 235, 9092, 6120, 19731, 24444, 382548, 502337, 9412277, 8622101, 53334553, 77958571, 324359305, 442241499, 8078089949, 4613676143

Basic calculations (n = 81746989)

Multiplication

n×y

n×2	163493978
n×3	245240967
n×4	326987956
n×5	408734945

Division

n÷y

n÷2	40873494.5
n÷3	27248996.333333
n÷3	20436747.25
n÷5	16349397.8

Exponentiation

n^y

n²	6682570210566121
n³	5.4627999349488E+23
n⁴	4.4656744619146E+31
n⁵	3.6505544111571E+39

Nth Root

^y√n

²√n	9041.4041497989
³√n	434.00085830208
⁴√n	95.086298433575
⁵√n	38.237928169663

Divisors of 81746989

1, 41, 1993829, 81746989

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	-81746988	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 81746989 can be divided by 4 positive divisors. The sum of these divisors (counting 81746989) is 1, the average is 0.25.

Base conversion 81746989

Base	System	Value
2	Binary	100110111110101110000101101
3	Ternary	12200211011210021
4	Quaternary	10313311300231
5	Quinary	131411400424
6	Senary	12040042141
8	Octal	467656055
10	Decimal	81746989
12	Duodecimal	23463351
16	Hexadecimal	4df5c2d
20	Vigesimal	15ai799
36	Base36	1co4dp

Cryptographic Hash Functions

md5	d8f76fd03678ec5a7a747e202b115081
sha1	49af7143c7e84dfc04cf06c18d3715ab97a1e0de
sha256	ac167ecf6ad767e2a63c751683daee035235bf84d640cbe881ee64c9b8a60310
sha512	f131fbf524a7abcd6b7cbfb905e2af32965566809426527b15d8d4e3b0a4203d147846857fdf9a6f6c5807489de5b903deafcbf74c69b4eedf2bd907758ae70f
ripemd-160	87cbff749c372e6ebdc5b69cbfa000445ac61a67

81746989 as geometric shapes

Circle

Radius = n

Diameter	163493978
Circumference	513631480.19097
Area	2.0993913480613E+16

Sphere

Radius = n

Volume	2.2882522858221E+24
Surface area	8.397565392245E+16
Circumference	513631480.19097

Square

Length = n

Perimeter	326987956
Area	6682570210566121
Diagonal	115607700.52696

Cube

Length = n

Surface area	40095421263396726
Volume	5.4627999349488E+23
Space diagonal	141589938.31377

Equilateral Triangle

Length = n

Perimeter	245240967
Area	2.8936377824617E+15
Altitude	70794969.156887

Triangular Pyramid

Length = n

Surface area	2.8936377824617E+15
Volume	6.4379714637795E+22
Height	38535900.175655