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

61661561 (number)

61661561 is an odd 8-digits composite number following 61661560 and preceding 61661562. In scientific notation, it is written as 6.1661561 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 56918352 positive integers (up to 61661561) that are relatively prime to 61661561.

Interesting facts

61661561 has 4 divisors, whose sum is 66404772
The reverse of 61661561 is 16516616
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	6.1661561 × 10^7
Engineering notation	6.1661561 × 10^6

Prime Factorization of 61661561

Prime Factorization 13 × 4743197

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	61661561	Product of the distinct prime numbers

The prime factorization of 61661561 is 13 × 4743197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 81, 87, 417, 79, 5358, 1322, 87131, 44038, 512576, 767841, 5048845, 6498805, 8005582, 40931401, 79068357, 508359934, 3070672870, 6795481256

Basic calculations (n = 61661561)

Multiplication

n×y

n×2	123323122
n×3	184984683
n×4	246646244
n×5	308307805

Division

n÷y

n÷2	30830780.5
n÷3	20553853.666667
n÷3	15415390.25
n÷5	12332312.2

Exponentiation

n^y

n²	3802148104956721
n³	2.3444638730482E+23
n⁴	1.4456330212026E+31
n⁵	8.9139988720498E+38

Nth Root

^y√n

²√n	7852.4875676438
³√n	395.06768268177
⁴√n	88.614262777748
⁵√n	36.141227845061

Divisors of 61661561

1, 13, 4743197, 61661561

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	-61661560	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 61661561 can be divided by 4 positive divisors. The sum of these divisors (counting 61661561) is 1, the average is 0.25.

Base conversion 61661561

Base	System	Value
2	Binary	11101011001110000101111001
3	Ternary	11022000201202112
4	Quaternary	3223032011321
5	Quinary	111241132221
6	Senary	10041342105
8	Octal	353160571
10	Decimal	61661561
12	Duodecimal	18797935
16	Hexadecimal	3ace179
20	Vigesimal	j57di1
36	Base36	10pmd5

Cryptographic Hash Functions

md5	7afa5d5043aaa6cd05b35492ac7dcbef
sha1	e6673160147687b09ee2406d80ae6b214f8be4dc
sha256	3a0692a49c50e7c014be1327efbe72a48937ab618cfb5b8527950089a27a91f3
sha512	354f122b816f8fcf1b12322a16efcfbddcc02464b94c9303b93670b0110d71d1313484fa4b74351c2c362e80158af40f62552c956c04e9c28710cd2865c1871c
ripemd-160	001d04756681e9de5422b89085a49d7e4603458a

61661561 as geometric shapes

Circle

Radius = n

Diameter	123323122
Circumference	387431014.09296
Area	1.1944800554392E+16

Sphere

Radius = n

Volume	9.8204673069E+23
Surface area	4.777920221757E+16
Circumference	387431014.09296

Square

Length = n

Perimeter	246646244
Area	3802148104956721
Diagonal	87202615.843296

Cube

Length = n

Surface area	22812888629740326
Volume	2.3444638730482E+23
Space diagonal	106800956.52601

Equilateral Triangle

Length = n

Perimeter	184984683
Area	1.6463784239217E+15
Altitude	53400478.263004

Triangular Pyramid

Length = n

Surface area	1.6463784239217E+15
Volume	2.7629771714655E+22
Height	29067538.614432