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

80491987 (number)

80491987 is an odd 8-digits composite number following 80491986 and preceding 80491988. In scientific notation, it is written as 8.0491987 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 80465440 positive integers (up to 80491987) that are relatively prime to 80491987.

Interesting facts

80491987 has 4 divisors, whose sum is 80518536
The reverse of 80491987 is 78919408
Previous prime number is 3491

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	eighty million four hundred ninety-one thousand nine hundred eighty-seven

Notation

Scientific notation	8.0491987 × 10^7
Engineering notation	8.0491987 × 10^6

Prime Factorization of 80491987

Prime Factorization 3491 × 23057

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	80491987	Product of the distinct prime numbers

The prime factorization of 80491987 is 3491 × 23057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 92, 26, 964, 142, 5226, 9094, 28853, 88367, 22914, 287304, 6171198, 7518674, 33235700, 64348484, 357719351, 661137793, 6803384828, 4697952565

Basic calculations (n = 80491987)

Multiplication

n×y

n×2	160983974
n×3	241475961
n×4	321967948
n×5	402459935

Division

n÷y

n÷2	40245993.5
n÷3	26830662.333333
n÷3	20122996.75
n÷5	16098397.4

Exponentiation

n^y

n²	6478959971208169
n³	5.2150436177601E+23
n⁴	4.1976922308518E+31
n⁵	3.3788058847572E+39

Nth Root

^y√n

²√n	8971.7326643185
³√n	431.76842834408
⁴√n	94.719230699571
⁵√n	38.11979265164

Divisors of 80491987

1, 3491, 23057, 80491987

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	-80491986	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 80491987 can be divided by 4 positive divisors. The sum of these divisors (counting 80491987) is 1, the average is 0.25.

Base conversion 80491987

Base	System	Value
2	Binary	100110011000011010111010011
3	Ternary	12121110102020201
4	Quaternary	10303003113103
5	Quinary	131101220422
6	Senary	11553120031
8	Octal	463032723
10	Decimal	80491987
12	Duodecimal	22b59017
16	Hexadecimal	4cc35d3
20	Vigesimal	15319j7
36	Base36	1bx80j

Cryptographic Hash Functions

md5	11e5d9fbdf650fd000d21a8b10808b1c
sha1	35be6e6dcfb128a798b90c1a4b115912710a04ad
sha256	c1193e509aa601f365a5decae1419802342a7b1e838c37e692cec0ce3e0e626e
sha512	00c066a1b83e2a654a96970e1d98417891f06d910714c643422a4c6a7e25c4f09556b6dd6cb19a438040ca01dd2168671b9d1e4965fdcf2531814ee57501a429
ripemd-160	004bb13f3b16bf20c26617d6563b0c8bf62641a9

80491987 as geometric shapes

Circle

Radius = n

Diameter	160983974
Circumference	505746070.06409
Area	2.035425304845E+16

Sphere

Radius = n

Volume	2.1844723623607E+24
Surface area	8.14170121938E+16
Circumference	505746070.06409

Square

Length = n

Perimeter	321967948
Area	6478959971208169
Diagonal	113832859.67776

Cube

Length = n

Surface area	38873759827249014
Volume	5.2150436177601E+23
Space diagonal	139416211.08617

Equilateral Triangle

Length = n

Perimeter	241475961
Area	2.8054719625844E+15
Altitude	69708105.543087

Triangular Pyramid

Length = n

Surface area	2.8054719625844E+15
Volume	6.1459878438363E+22
Height	37944286.559253