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

71661561 (number)

71661561 is an odd 8-digits composite number following 71661560 and preceding 71661562. In scientific notation, it is written as 7.1661561 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 47774372 positive integers (up to 71661561) that are relatively prime to 71661561.

Interesting facts

71661561 has 4 divisors, whose sum is 95548752
The reverse of 71661561 is 16516617
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	seventy-one million six hundred sixty-one thousand five hundred sixty-one

Notation

Scientific notation	7.1661561 × 10^7
Engineering notation	7.1661561 × 10^6

Prime Factorization of 71661561

Prime Factorization 3 × 23887187

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71661561	Product of the distinct prime numbers

The prime factorization of 71661561 is 3 × 23887187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 66, 86, 773, 526, 1468, 913, 34242, 2564, 436217, 577278, 4739894, 4777416, 42968979, 4769937, 465601409, 408995139, 5705334547, 9929163121

Basic calculations (n = 71661561)

Multiplication

n×y

n×2	143323122
n×3	214984683
n×4	286646244
n×5	358307805

Division

n÷y

n÷2	35830780.5
n÷3	23887187
n÷3	17915390.25
n÷5	14332312.2

Exponentiation

n^y

n²	5135379324956721
n³	3.6800929875352E+23
n⁴	2.6372120811193E+31
n⁵	1.8898673442107E+39

Nth Root

^y√n

²√n	8465.3151742862
³√n	415.36390589746
⁴√n	92.0071474087
⁵√n	37.244080170732

Divisors of 71661561

1, 3, 23887187, 71661561

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	-71661560	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 71661561 can be divided by 4 positive divisors. The sum of these divisors (counting 71661561) is 1, the average is 0.25.

Base conversion 71661561

Base	System	Value
2	Binary	100010001010111011111111001
3	Ternary	11222211210011220
4	Quaternary	10101113133321
5	Quinary	121321132221
6	Senary	11035542253
8	Octal	421273771
10	Decimal	71661561
12	Duodecimal	1bbba989
16	Hexadecimal	44577f9
20	Vigesimal	127hdi1
36	Base36	16nyex

Cryptographic Hash Functions

md5	873f474818fb05f701efc8d29abeb9df
sha1	f766cdf33008de2c287ad4d8ce9d92e36ed8341e
sha256	e2bbfdce1ec9292f0b1dd06374b15a9e68373ab33ab9fdbcf223f5abbb9ceb3b
sha512	d6e24c9c28b1018237036fef0af3d72858c336d4ed6412f880a58a62fc6e51cdd6c951b469214e009d5da16c003f7fc0d7b76d7b62612e25f5e7bef0efc5f4c2
ripemd-160	d0b65e9d1da87fb5cf751d8143f102583a033a8c

71661561 as geometric shapes

Circle

Radius = n

Diameter	143323122
Circumference	450262867.16475
Area	1.6133269960681E+16

Sphere

Radius = n

Volume	1.5415137458891E+24
Surface area	6.4533079842724E+16
Circumference	450262867.16475

Square

Length = n

Perimeter	286646244
Area	5135379324956721
Diagonal	101344751.46703

Cube

Length = n

Surface area	30812275949740326
Volume	3.6800929875352E+23
Space diagonal	124121464.6017

Equilateral Triangle

Length = n

Perimeter	214984683
Area	2.223684476741E+15
Altitude	62060732.300848

Triangular Pyramid

Length = n

Surface area	2.223684476741E+15
Volume	4.3370311781387E+22
Height	33781583.822342