8487981 (number)

8487981 is an odd 7-digits composite number following 8487980 and preceding 8487982. In scientific notation, it is written as 8.487981 × 10^6. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 5139456 positive integers (up to 8487981) that are relatively prime to 8487981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.487981 × 10^6
Engineering notation 8.487981 × 10^6

Prime Factorization of 8487981

Prime Factorization 17 × 3 × 3 × 29 × 1913

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2829327
Product of the distinct prime numbers

The prime factorization of 8487981 is 17 × 3 × 3 × 29 × 1913. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 75, 15, 563, 829, 2697, 5519, 86630, 51446, 911910, 856542, 3814271, 9079442, 42153622, 40038081, 857895016, 738996745, 7265874287, 8614771877

Basic calculations (n = 8487981)

Multiplication

n×y
n×2 16975962
n×3 25463943
n×4 33951924
n×5 42439905

Division

n÷y
n÷2 4243990.5
n÷3 2829327
n÷3 2121995.25
n÷5 1697596.2

Exponentiation

ny
n2 72045821456361
n3 6.1152356365098E+20
n4 5.1906003893218E+27
n5 4.4057717483156E+34

Nth Root

y√n
2√n 2913.4139767633
3√n 203.98651871696
4√n 53.97605002928
5√n 24.308652189733

Divisors of 8487981

1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 1913, 4437, 5739, 17217, 32521, 55477, 97563, 166431, 292689, 499293, 943109, 2829327, 8487981

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8487980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8487981 can be divided by 24 positive divisors. The sum of these divisors (counting 8487981) is 1, the average is 0.041666666666667.

Base conversion 8487981

Base System Value
2 Binary 100000011000010000101101
3 Ternary 120222020022200
4 Quaternary 200120100231
5 Quinary 4133103411
6 Senary 501532113
8 Octal 40302055
10 Decimal 8487981
12 Duodecimal 2a14039
16 Hexadecimal 81842d
20 Vigesimal 2d0jj1
36 Base36 51xd9

Cryptographic Hash Functions

md5 5424e92374fdbcef12cb8ddf2e9b7d50
sha1 17666ce75a4e6aaa18e970e89b40cac7ca81f642
sha256 eb7e57b7156874d30572864dbb9bd6c866efba1d7dad34be4316beaab9e33ede
sha512 12f0b055285c7064ab55d3edb5e600f1be73081a92044e86cf8a10b0078e658c9ed1b4a6ceac1054b80229902a27c8d595174a5a30738bf386d74b29c1be26fb
ripemd-160 4f7f681ce4dceb700fde1c7f91d2618271ee1f4d

8487981 as geometric shapes

Circle

Radius = n
Diameter 16975962
Circumference 53331557.506819
Area 2.2633862340915E+14

Sphere

Radius = n
Volume 2.5615439134173E+21
Surface area 9.0535449363658E+14
Circumference 53331557.506819

Square

Length = n
Perimeter 33951924
Area 72045821456361
Diagonal 12003817.847365

Cube

Length = n
Surface area 432274928738166
Volume 6.1152356365098E+20
Space diagonal 14701614.345679

Equilateral Triangle

Length = n
Perimeter 25463943
Area 31196755808863
Altitude 7350807.1728396

Triangular Pyramid

Length = n
Surface area 31196755808863
Volume 7.2068743118829E+19
Height 4001272.6157884