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

80871987 (number)

80871987 is an odd 8-digits composite number following 80871986 and preceding 80871988. In scientific notation, it is written as 8.0871987 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 46212552 positive integers (up to 80871987) that are relatively prime to 80871987.

Interesting facts

80871987 has 4 divisors, whose sum is 84723056
The reverse of 80871987 is 78917808
Previous prime number is 21

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	eighty million eight hundred seventy-one thousand nine hundred eighty-seven

Notation

Scientific notation	8.0871987 × 10^7
Engineering notation	8.0871987 × 10^6

Prime Factorization of 80871987

Prime Factorization 21 × 3851047

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	80871987	Product of the distinct prime numbers

The prime factorization of 80871987 is 21 × 3851047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 45, 12, 782, 162, 5493, 6564, 90197, 91448, 606288, 534591, 5691058, 732342, 34803914, 35671428, 446700211, 55455141, 6560729190, 221331393

Basic calculations (n = 80871987)

Multiplication

n×y

n×2	161743974
n×3	242615961
n×4	323487948
n×5	404359935

Division

n÷y

n÷2	40435993.5
n÷3	26957329
n÷3	20217996.75
n÷5	16174397.4

Exponentiation

n^y

n²	6540278281328169
n³	5.2892530014395E+23
n⁴	4.2775239997213E+31
n⁵	3.4593186529765E+39

Nth Root

^y√n

²√n	8992.8853545456
³√n	432.44681671996
⁴√n	94.830824917563
⁵√n	38.155717331123

Divisors of 80871987

1, 21, 3851047, 80871987

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	-80871986	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 80871987 can be divided by 4 positive divisors. The sum of these divisors (counting 80871987) is 1, the average is 0.25.

Base conversion 80871987

Base	System	Value
2	Binary	100110100100000001000110011
3	Ternary	12122011201111210
4	Quaternary	10310200020303
5	Quinary	131200400422
6	Senary	12005211203
8	Octal	464401063
10	Decimal	80871987
12	Duodecimal	23100b03
16	Hexadecimal	4d20233
20	Vigesimal	1558jj7
36	Base36	1c5d83

Cryptographic Hash Functions

md5	bcc110cdc7cdcc6ae3fa65120395cf6d
sha1	0a0effffc436d46d503caea9742c623b1e1703be
sha256	6da5fc2df622e6e78fe752c0b980390e91335317f21ee6f37d5a7bda0d264b4d
sha512	113d762e798e0d02ae4dbeb412cb1e3a7621bfe11f9a7288bf5581ecbbe9637ec4df8035768edbdf2d26e9e04f82b5f8486548513ce810ad04887878f941edf7
ripemd-160	9eb5a882b4eec2d8bcc270c782bed414d2ef0523

80871987 as geometric shapes

Circle

Radius = n

Diameter	161743974
Circumference	508133680.48082
Area	2.0546890201053E+16

Sphere

Radius = n

Volume	2.2155571163067E+24
Surface area	8.2187560804214E+16
Circumference	508133680.48082

Square

Length = n

Perimeter	323487948
Area	6540278281328169
Diagonal	114370260.83146

Cube

Length = n

Surface area	39241669687969014
Volume	5.2892530014395E+23
Space diagonal	140074390.39305

Equilateral Triangle

Length = n

Perimeter	242615961
Area	2.8320235697249E+15
Altitude	70037195.196525

Triangular Pyramid

Length = n

Surface area	2.8320235697249E+15
Volume	6.2334444412153E+22
Height	38123420.277154