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

61686721 (number)

61686721 is an odd 8-digits composite number following 61686720 and preceding 61686722. In scientific notation, it is written as 6.1686721 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 61215700 positive integers (up to 61686721) that are relatively prime to 61686721.

Interesting facts

61686721 has 4 divisors, whose sum is 62157744
The reverse of 61686721 is 12768616
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	sixty-one million six hundred eighty-six thousand seven hundred twenty-one

Notation

Scientific notation	6.1686721 × 10^7
Engineering notation	6.1686721 × 10^6

Prime Factorization of 61686721

Prime Factorization 131 × 470891

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	61686721	Product of the distinct prime numbers

The prime factorization of 61686721 is 131 × 470891. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 76, 30, 875, 93, 8546, 960, 92634, 82263, 385001, 291924, 9289420, 572553, 70564227, 11925852, 261633956, 975794453, 8911003183, 915707543

Basic calculations (n = 61686721)

Multiplication

n×y

n×2	123373442
n×3	185060163
n×4	246746884
n×5	308433605

Division

n÷y

n÷2	30843360.5
n÷3	20562240.333333
n÷3	15421680.25
n÷5	12337344.2

Exponentiation

n^y

n²	3805251547731841
n³	2.3473349055975E+23
n⁴	1.4479939341516E+31
n⁵	8.9321997825699E+38

Nth Root

^y√n

²√n	7854.0894443595
³√n	395.12140902875
⁴√n	88.623300798151
⁵√n	36.144176732186

Divisors of 61686721

1, 131, 470891, 61686721

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	-61686720	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 61686721 can be divided by 4 positive divisors. The sum of these divisors (counting 61686721) is 1, the average is 0.25.

Base conversion 61686721

Base	System	Value
2	Binary	11101011010100001111000001
3	Ternary	11022002000021101
4	Quaternary	3223110033001
5	Quinary	111242433341
6	Senary	10042054401
8	Octal	353241701
10	Decimal	61686721
12	Duodecimal	187aa401
16	Hexadecimal	3ad43c1
20	Vigesimal	j5agg1
36	Base36	10q5s1

Cryptographic Hash Functions

md5	6852a9790047d0b011ad69095c08d13f
sha1	33ae22c8f5e7d6ce78eba6622f91378b6dcc3fbc
sha256	65050a1f41e82805cb8ea451aa3351b593ab113b6121f92f4bd6a7cda56a33c5
sha512	bb08a57436530899ab89028c62418e4c366726a281bafca95613f82b9db6c59fc8c83013233b8a41a0d62dd14292f1e1b957157b88375e7b4b09e5cbef902c38
ripemd-160	74c1f80401b0626fa4976aea31905c87d10f8907

61686721 as geometric shapes

Circle

Radius = n

Diameter	123373442
Circumference	387589099.03529
Area	1.1954550307416E+16

Sphere

Radius = n

Volume	9.8324934599201E+23
Surface area	4.7818201229662E+16
Circumference	387589099.03529

Square

Length = n

Perimeter	246746884
Area	3805251547731841
Diagonal	87238197.456525

Cube

Length = n

Surface area	22831509286391046
Volume	2.3473349055975E+23
Space diagonal	106844534.92433

Equilateral Triangle

Length = n

Perimeter	185060163
Area	1.6477222540629E+15
Altitude	53422267.462163

Triangular Pyramid

Length = n

Surface area	1.6477222540629E+15
Volume	2.7663607157732E+22
Height	29079399.152175