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

81497841 (number)

81497841 is an odd 8-digits composite number following 81497840 and preceding 81497842. In scientific notation, it is written as 8.1497841 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 54331892 positive integers (up to 81497841) that are relatively prime to 81497841.

Interesting facts

81497841 has 4 divisors, whose sum is 108663792
The reverse of 81497841 is 14879418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-one million four hundred ninety-seven thousand eight hundred forty-one

Notation

Scientific notation	8.1497841 × 10^7
Engineering notation	8.1497841 × 10^6

Prime Factorization of 81497841

Prime Factorization 3 × 27165947

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81497841	Product of the distinct prime numbers

The prime factorization of 81497841 is 3 × 27165947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 24, 95, 300, 14, 4799, 5828, 15802, 73503, 383824, 814709, 9499976, 6801307, 30119145, 34688988, 643802199, 140436561, 8412157899, 1685430462

Basic calculations (n = 81497841)

Multiplication

n×y

n×2	162995682
n×3	244493523
n×4	325991364
n×5	407489205

Division

n÷y

n÷2	40748920.5
n÷3	27165947
n÷3	20374460.25
n÷5	16299568.2

Exponentiation

n^y

n²	6641898087661281
n³	5.4130035428642E+23
n⁴	4.4114810206879E+31
n⁵	3.5952617879854E+39

Nth Root

^y√n

²√n	9027.6154658913
³√n	433.55949450113
⁴√n	95.013764612772
⁵√n	38.21459143483

Divisors of 81497841

1, 3, 27165947, 81497841

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	-81497840	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 81497841 can be divided by 4 positive divisors. The sum of these divisors (counting 81497841) is 1, the average is 0.25.

Base conversion 81497841

Base	System	Value
2	Binary	100110110111000111011110001
3	Ternary	12200100112000120
4	Quaternary	10312320323301
5	Quinary	131330412331
6	Senary	12030440453
8	Octal	466707361
10	Decimal	81497841
12	Duodecimal	23363129
16	Hexadecimal	4db8ef1
20	Vigesimal	15974c1
36	Base36	1cis4x

Cryptographic Hash Functions

md5	ee4fdfe3692e5f0605aed9d83c4aa303
sha1	4ff25dcf5200ad2c7d40b279ed367f75b02300db
sha256	c73769aa5d30c4a98f0d41db36f1e03f068bc977da484373e50547d92528c2d0
sha512	4107e833829e80e3a1cee6b5f4933a5ad1dba0516731d907559c717d1f822497ba6e7b10e6f9f2cc9e99c47328beea563203ac84887f7b95ca4fa005c444a21a
ripemd-160	2681c513db39d5c91ac2e0f6d05f2c23c96f491e

81497841 as geometric shapes

Circle

Radius = n

Diameter	162995682
Circumference	512066037.13806
Area	2.0866138238089E+16

Sphere

Radius = n

Volume	2.2673936218824E+24
Surface area	8.3464552952355E+16
Circumference	512066037.13806

Square

Length = n

Perimeter	325991364
Area	6641898087661281
Diagonal	115255352.04633

Cube

Length = n

Surface area	39851388525967686
Volume	5.4130035428642E+23
Space diagonal	141158401.31917

Equilateral Triangle

Length = n

Perimeter	244493523
Area	2.876026236631E+15
Altitude	70579200.659585

Triangular Pyramid

Length = n

Surface area	2.876026236631E+15
Volume	6.3792858529102E+22
Height	38418450.682109