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

81497189 (number)

81497189 is an odd 8-digits composite number following 81497188 and preceding 81497190. In scientific notation, it is written as 8.1497189 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 80950080 positive integers (up to 81497189) that are relatively prime to 81497189.

Interesting facts

81497189 has 4 divisors, whose sum is 82044300
The reverse of 81497189 is 98179418
Previous prime number is 149

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 ninety-seven thousand one hundred eighty-nine

Notation

Scientific notation	8.1497189 × 10^7
Engineering notation	8.1497189 × 10^6

Prime Factorization of 81497189

Prime Factorization 149 × 546961

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81497189	Product of the distinct prime numbers

The prime factorization of 81497189 is 149 × 546961. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 92, 75, 691, 1, 8041, 6071, 45496, 69227, 574801, 326273, 3783027, 4943241, 93718710, 72781668, 902162367, 680855170, 7277115242, 7734614884

Basic calculations (n = 81497189)

Multiplication

n×y

n×2	162994378
n×3	244491567
n×4	325988756
n×5	407485945

Division

n÷y

n÷2	40748594.5
n÷3	27165729.666667
n÷3	20374297.25
n÷5	16299437.8

Exponentiation

n^y

n²	6641791814901721
n³	5.412873628377E+23
n⁴	4.4113398512495E+31
n⁵	3.5951179760052E+39

Nth Root

^y√n

²√n	9027.5793544006
³√n	433.55833830877
⁴√n	95.013574579639
⁵√n	38.214530289669

Divisors of 81497189

1, 149, 546961, 81497189

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	-81497188	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 81497189 can be divided by 4 positive divisors. The sum of these divisors (counting 81497189) is 1, the average is 0.25.

Base conversion 81497189

Base	System	Value
2	Binary	100110110111000110001100101
3	Ternary	12200100111010102
4	Quaternary	10312320301211
5	Quinary	131330402224
6	Senary	12030433445
8	Octal	466706145
10	Decimal	81497189
12	Duodecimal	23362885
16	Hexadecimal	4db8c65
20	Vigesimal	15972j9
36	Base36	1cirmt

Cryptographic Hash Functions

md5	7f04460bc24d74187ddfb86553a5d9a1
sha1	3226a3fbbfe5677c4d4691352bae2f2a7ac1a25c
sha256	7eebea97a7a7aa992bdbc96f31ee13452ab867d6a7b02464ee0735660372a182
sha512	829c9a649822579c68aaa2604ee5bda27da5ba5f9277935bdb8955b772357f09d2ccceaa7c1c9d27a7c09ebfc9716038e213864e645e29f9fa755a05e880cf5f
ripemd-160	5910162e5dc948bc50b4083ef219441589d806ac

81497189 as geometric shapes

Circle

Radius = n

Diameter	162994378
Circumference	512061940.50124
Area	2.0865804372368E+16

Sphere

Radius = n

Volume	2.2673392034292E+24
Surface area	8.3463217489472E+16
Circumference	512061940.50124

Square

Length = n

Perimeter	325988756
Area	6641791814901721
Diagonal	115254429.97908

Cube

Length = n

Surface area	39850750889410326
Volume	5.412873628377E+23
Space diagonal	141157272.02204

Equilateral Triangle

Length = n

Perimeter	244491567
Area	2.8759802191762E+15
Altitude	70578636.011022

Triangular Pyramid

Length = n

Surface area	2.8759802191762E+15
Volume	6.3791327472187E+22
Height	38418143.326361