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

81742261 (number)

81742261 is an odd 8-digits composite number following 81742260 and preceding 81742262. In scientific notation, it is written as 8.1742261 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 79875072 positive integers (up to 81742261) that are relatively prime to 81742261.

Interesting facts

81742261 has 8 divisors, whose sum is 83630360
The reverse of 81742261 is 16224718
Previous prime number is 109

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million seven hundred forty-two thousand two hundred sixty-one

Notation

Scientific notation	8.1742261 × 10^7
Engineering notation	8.1742261 × 10^6

Prime Factorization of 81742261

Prime Factorization 73 × 109 × 10273

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81742261	Product of the distinct prime numbers

The prime factorization of 81742261 is 73 × 109 × 10273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 57, 69, 404, 702, 8467, 704, 68223, 2840, 386790, 577773, 1463906, 7871109, 54002933, 94584275, 663495627, 173078449, 1279826720, 704510968

Basic calculations (n = 81742261)

Multiplication

n×y

n×2	163484522
n×3	245226783
n×4	326969044
n×5	408711305

Division

n÷y

n÷2	40871130.5
n÷3	27247420.333333
n÷3	20435565.25
n÷5	16348452.2

Exponentiation

n^y

n²	6681797233392121
n³	5.4618521340102E+23
n⁴	4.4646414268167E+31
n⁵	3.6494988478226E+39

Nth Root

^y√n

²√n	9041.1426822056
³√n	433.99249103929
⁴√n	95.084923527369
⁵√n	38.237485846076

Divisors of 81742261

1, 73, 109, 7957, 10273, 749929, 1119757, 81742261

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	-81742260	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 81742261 can be divided by 8 positive divisors. The sum of these divisors (counting 81742261) is 1, the average is 0.125.

Base conversion 81742261

Base	System	Value
2	Binary	100110111110100100110110101
3	Ternary	12200210221022011
4	Quaternary	10313310212311
5	Quinary	131411223021
6	Senary	12040004221
8	Octal	467644665
10	Decimal	81742261
12	Duodecimal	23460671
16	Hexadecimal	4df49b5
20	Vigesimal	15ahfd1
36	Base36	1co0qd

Cryptographic Hash Functions

md5	eb5ef74ba4859cd7990ceadf7971578f
sha1	1ccf6891f984918b1d55a66fbe5d0cf5e20a0689
sha256	d1e268dced8de1c3b049dbdb33232bf0e45cc034d518704a7824b7a964b43ec0
sha512	a6e810eb303a9a146dfe2446f348d6e40405bc8b0b90bc5ac0b462529bb6007f1cab2f3ba25b7face7e82daab0bf7dd4933744fae83396bfd9e594f7ebf603c7
ripemd-160	b0f596138b8c726a911514e5dd70000a750185e8

81742261 as geometric shapes

Circle

Radius = n

Diameter	163484522
Circumference	513601773.29084
Area	2.0991485101201E+16

Sphere

Radius = n

Volume	2.2878552718933E+24
Surface area	8.3965940404805E+16
Circumference	513601773.29084

Square

Length = n

Perimeter	326969044
Area	6681797233392121
Diagonal	115601014.12524

Cube

Length = n

Surface area	40090783400352726
Volume	5.4618521340102E+23
Space diagonal	141581749.17756

Equilateral Triangle

Length = n

Perimeter	245226783
Area	2.8933030735271E+15
Altitude	70790874.588778

Triangular Pyramid

Length = n

Surface area	2.8933030735271E+15
Volume	6.4368544696613E+22
Height	38533671.37508