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

81409738 (number)

81409738 is an even 8-digits composite number following 81409737 and preceding 81409739. In scientific notation, it is written as 8.1409738 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 40691244 positive integers (up to 81409738) that are relatively prime to 81409738.

Interesting facts

81409738 has 8 divisors, whose sum is 122155488
The reverse of 81409738 is 83790418
Previous prime number is 4423

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	eighty-one million four hundred nine thousand seven hundred thirty-eight

Notation

Scientific notation	8.1409738 × 10^7
Engineering notation	8.1409738 × 10^6

Prime Factorization of 81409738

Prime Factorization 2 × 4423 × 9203

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81409738	Product of the distinct prime numbers

The prime factorization of 81409738 is 2 × 4423 × 9203. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 92, 1, 664, 917, 3085, 7819, 17835, 10530, 784409, 703495, 9095069, 6355528, 85645889, 99015952, 375680603, 173294068, 8816804551, 7792663662

Basic calculations (n = 81409738)

Multiplication

n×y

n×2	162819476
n×3	244229214
n×4	325638952
n×5	407048690

Division

n÷y

n÷2	40704869
n÷3	27136579.333333
n÷3	20352434.5
n÷5	16281947.6

Exponentiation

n^y

n²	6627545441228644
n³	5.3954673795352E+23
n⁴	4.3924358575551E+31
n⁵	3.5758705234536E+39

Nth Root

^y√n

²√n	9022.7345078973
³√n	433.40320543253
⁴√n	94.98807560898
⁵√n	38.206325505502

Divisors of 81409738

1, 2, 4423, 8846, 9203, 18406, 40704869, 81409738

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	-81409737	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 81409738 can be divided by 8 positive divisors. The sum of these divisors (counting 81409738) is 1, the average is 0.125.

Base conversion 81409738

Base	System	Value
2	Binary	100110110100011011011001010
3	Ternary	12200012001011111
4	Quaternary	10312203123022
5	Quinary	131320102423
6	Senary	12024520534
8	Octal	466433312
10	Decimal	81409738
12	Duodecimal	2332014a
16	Hexadecimal	4da36ca
20	Vigesimal	158g46i
36	Base36	1cgw5m

Cryptographic Hash Functions

md5	41d413f6889302ba0a3da03854186ccd
sha1	a54071a1ca92988d9860d801f4cec9f1b732f684
sha256	ce68330b275995f42d34aea37f17e85b9ecc271538741d953b87e1c212745e62
sha512	adb4760a61d59a9c2ce7643013a4f4c406eb35b76a289980da116ca49e0bc8d2a38d81a899034d580c066fdd334f7f9cb0c3391157f67d01ae08ab875a582b1b
ripemd-160	500deaaac2fc2ad7437b6cd392d2efafb4ab26af

81409738 as geometric shapes

Circle

Radius = n

Diameter	162819476
Circumference	511512469.66294
Area	2.0821048069496E+16

Sphere

Radius = n

Volume	2.2600480909641E+24
Surface area	8.3284192277986E+16
Circumference	511512469.66294

Square

Length = n

Perimeter	325638952
Area	6627545441228644
Diagonal	115130755.58884

Cube

Length = n

Surface area	39765272647371864
Volume	5.3954673795352E+23
Space diagonal	141005802.44687

Equilateral Triangle

Length = n

Perimeter	244229214
Area	2.8698113584199E+15
Altitude	70502901.223435

Triangular Pyramid

Length = n

Surface area	2.8698113584199E+15
Volume	6.3586192862336E+22
Height	38376918.529613