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

61639987 (number)

61639987 is an odd 8-digits composite number following 61639986 and preceding 61639988. In scientific notation, it is written as 6.1639987 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 60859656 positive integers (up to 61639987) that are relatively prime to 61639987.

Interesting facts

61639987 has 4 divisors, whose sum is 62420320
The reverse of 61639987 is 78993616
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	sixty-one million six hundred thirty-nine thousand nine hundred eighty-seven

Notation

Scientific notation	6.1639987 × 10^7
Engineering notation	6.1639987 × 10^6

Prime Factorization of 61639987

Prime Factorization 79 × 780253

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	61639987	Product of the distinct prime numbers

The prime factorization of 61639987 is 79 × 780253. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 72, 86, 157, 662, 7340, 6512, 58258, 9868, 928723, 585271, 2810561, 9734712, 33481890, 70282340, 95382072, 612116436, 6016663029, 3949386241

Basic calculations (n = 61639987)

Multiplication

n×y

n×2	123279974
n×3	184919961
n×4	246559948
n×5	308199935

Division

n÷y

n÷2	30819993.5
n÷3	20546662.333333
n÷3	15409996.75
n÷5	12327997.4

Exponentiation

n^y

n²	3799487997360169
n³	2.3420039076394E+23
n⁴	1.4436109042084E+31
n⁵	8.8984157368464E+38

Nth Root

^y√n

²√n	7851.1137426482
³√n	395.0216021941
⁴√n	88.606510723808
⁵√n	36.138698489719

Divisors of 61639987

1, 79, 780253, 61639987

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	-61639986	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 61639987 can be divided by 4 positive divisors. The sum of these divisors (counting 61639987) is 1, the average is 0.25.

Base conversion 61639987

Base	System	Value
2	Binary	11101011001000110100110011
3	Ternary	11021222122011111
4	Quaternary	3223020310303
5	Quinary	111234434422
6	Senary	10041054151
8	Octal	353106463
10	Decimal	61639987
12	Duodecimal	18787357
16	Hexadecimal	3ac8d33
20	Vigesimal	j54jj7
36	Base36	10p5pv

Cryptographic Hash Functions

md5	df2e36f8983b4004b4485a99c68889bf
sha1	19adf690e38d56ca61c43cc87e5d60a7c35f79f2
sha256	0995226d4ab8a27b7430566f4d03780ea7d5bb34d53420a992d8325a60f1648a
sha512	9089c6cbd023803969f3fad21a15c46e2ccd8a26091651c257a391462e6403af2f6c786c519ce9b2f3bba70456a7cae7799100d99d5f4ed2e2a0bce2708b616d
ripemd-160	987c056cf0dc4007997923e499fba0ebc5195245

61639987 as geometric shapes

Circle

Radius = n

Diameter	123279974
Circumference	387295460.65314
Area	1.1936443579909E+16

Sphere

Radius = n

Volume	9.8101630278912E+23
Surface area	4.7745774319637E+16
Circumference	387295460.65314

Square

Length = n

Perimeter	246559948
Area	3799487997360169
Diagonal	87172105.599901

Cube

Length = n

Surface area	22796927984161014
Volume	2.3420039076394E+23
Space diagonal	106763589.26189

Equilateral Triangle

Length = n

Perimeter	184919961
Area	1.645226563544E+15
Altitude	53381794.630943

Triangular Pyramid

Length = n

Surface area	1.645226563544E+15
Volume	2.7600780744287E+22
Height	29057368.5333