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

81497689 (number)

81497689 is an odd 8-digits composite number following 81497688 and preceding 81497690. In scientific notation, it is written as 8.1497689 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 64481616 positive integers (up to 81497689) that are relatively prime to 81497689.

Interesting facts

81497689 has 8 divisors, whose sum is 100304960
The reverse of 81497689 is 98679418
Previous prime number is 13

Basic properties

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

Name

Name	eighty-one million four hundred ninety-seven thousand six hundred eighty-nine

Notation

Scientific notation	8.1497689 × 10^7
Engineering notation	8.1497689 × 10^6

Prime Factorization of 81497689

Prime Factorization 7 × 13 × 895579

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81497689	Product of the distinct prime numbers

The prime factorization of 81497689 is 7 × 13 × 895579. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 7, 12, 764, 950, 3360, 5445, 10686, 7626, 381236, 886094, 512483, 8180281, 86459869, 14324495, 547642822, 355187703, 6508583686, 3613892839

Basic calculations (n = 81497689)

Multiplication

n×y

n×2	162995378
n×3	244493067
n×4	325990756
n×5	407488445

Division

n÷y

n÷2	40748844.5
n÷3	27165896.333333
n÷3	20374422.25
n÷5	16299537.8

Exponentiation

n^y

n²	6641873312340721
n³	5.4129732558654E+23
n⁴	4.4114481097184E+31
n⁵	3.5952282608547E+39

Nth Root

^y√n

²√n	9027.6070472745
³√n	433.5592249599
⁴√n	95.013720310671
⁵√n	38.214577180165

Divisors of 81497689

1, 7, 13, 91, 895579, 6269053, 11642527, 81497689

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	-81497688	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 81497689 can be divided by 8 positive divisors. The sum of these divisors (counting 81497689) is 1, the average is 0.125.

Base conversion 81497689

Base	System	Value
2	Binary	100110110111000111001011001
3	Ternary	12200100111210221
4	Quaternary	10312320321121
5	Quinary	131330411224
6	Senary	12030440041
8	Octal	466707131
10	Decimal	81497689
12	Duodecimal	23363021
16	Hexadecimal	4db8e59
20	Vigesimal	1597449
36	Base36	1cis0p

Cryptographic Hash Functions

md5	5408bda3ea26b00b19848e276d0c09cb
sha1	40b18535cf3451fdc883d57c49e273862ca41134
sha256	0c0b5020fab093ef0c63626b085611dd9aaefe42c1b6e32f984f6d3d1b296576
sha512	97de3caa4c07e681715f34b991a71e776a482222415361a67038612fee13038f291bfb3397348fb0964ea6d1e6996557fa4f550d1d34b3c15970ce0b21394158
ripemd-160	7c08ada46f3ad5df23b0c68cc781c5d00c9e171e

81497689 as geometric shapes

Circle

Radius = n

Diameter	162995378
Circumference	512065082.09389
Area	2.0866060404124E+16

Sphere

Radius = n

Volume	2.267380935294E+24
Surface area	8.3464241616495E+16
Circumference	512065082.09389

Square

Length = n

Perimeter	325990756
Area	6641873312340721
Diagonal	115255137.08586

Cube

Length = n

Surface area	39851239874044326
Volume	5.4129732558654E+23
Space diagonal	141158138.04745

Equilateral Triangle

Length = n

Perimeter	244493067
Area	2.8760155086025E+15
Altitude	70579069.023724

Triangular Pyramid

Length = n

Surface area	2.8760155086025E+15
Volume	6.3792501593398E+22
Height	38418379.028622