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

81489722 (number)

81489722 is an even 8-digits composite number following 81489721 and preceding 81489723. In scientific notation, it is written as 8.1489722 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 40744860 positive integers (up to 81489722) that are relatively prime to 81489722.

Interesting facts

81489722 has 4 divisors, whose sum is 122234586
The reverse of 81489722 is 22798418
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	eighty-one million four hundred eighty-nine thousand seven hundred twenty-two

Notation

Scientific notation	8.1489722 × 10^7
Engineering notation	8.1489722 × 10^6

Prime Factorization of 81489722

Prime Factorization 2 × 40744861

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81489722	Product of the distinct prime numbers

The prime factorization of 81489722 is 2 × 40744861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 93, 66, 664, 518, 1399, 2200, 58336, 31912, 124034, 310960, 8763872, 1621190, 26412119, 20670568, 191276931, 134966429, 2327405341, 7661704963

Basic calculations (n = 81489722)

Multiplication

n×y

n×2	162979444
n×3	244469166
n×4	325958888
n×5	407448610

Division

n÷y

n÷2	40744861
n÷3	27163240.666667
n÷3	20372430.5
n÷5	16297944.4

Exponentiation

n^y

n²	6640574791637284
n³	5.4113859369073E+23
n⁴	4.4097233563329E+31
n⁵	3.5934713040447E+39

Nth Root

^y√n

²√n	9027.1657789142
³√n	433.54509662919
⁴√n	95.011398152612
⁵√n	38.213829999611

Divisors of 81489722

1, 2, 40744861, 81489722

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	-81489721	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 81489722 can be divided by 4 positive divisors. The sum of these divisors (counting 81489722) is 1, the average is 0.25.

Base conversion 81489722

Base	System	Value
2	Binary	100110110110110111100111010
3	Ternary	12200100002212212
4	Quaternary	10312312330322
5	Quinary	131330132342
6	Senary	12030335122
8	Octal	466667472
10	Decimal	81489722
12	Duodecimal	2335a4a2
16	Hexadecimal	4db6f3a
20	Vigesimal	1596462
36	Base36	1cilve

Cryptographic Hash Functions

md5	d0f25608f0d12c373fec24057968e8a4
sha1	5dbff0c5be88c93100091be1d894c4dd3a54e91c
sha256	3c99fd654fd892d3e40a2656e937da5578ea831d284789be5fceead4dde0c9c2
sha512	7f48411ac9518581be9263e49a626ac7127a44d6a8363bf63751f240bfee2fdb495297297c877d0bf03a601b14337a2b05215797591b56f586446c231a2b8747
ripemd-160	60888db21c9bd4263a8c0f7de23778dc6af18b46

81489722 as geometric shapes

Circle

Radius = n

Diameter	162979444
Circumference	512015023.95655
Area	2.0861980981021E+16

Sphere

Radius = n

Volume	2.2667160406836E+24
Surface area	8.3447923924085E+16
Circumference	512015023.95655

Square

Length = n

Perimeter	325958888
Area	6640574791637284
Diagonal	115243870.04641

Cube

Length = n

Surface area	39843448749823704
Volume	5.4113859369073E+23
Space diagonal	141144338.79866

Equilateral Triangle

Length = n

Perimeter	244469166
Area	2.8754532326442E+15
Altitude	70572169.399332

Triangular Pyramid

Length = n

Surface area	2.8754532326442E+15
Volume	6.3773794860078E+22
Height	38414623.348804