87540981 (number)

87540981 is an odd 8-digits composite number following 87540980 and preceding 87540982. In scientific notation, it is written as 8.7540981 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 53055120 positive integers (up to 87540981) that are relatively prime to 87540981.

Interesting facts

Basic properties

Name

Name eighty-seven million five hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 8.7540981 × 10^7
Engineering notation 8.7540981 × 10^6

Prime Factorization of 87540981

Prime Factorization 3 × 11 × 2652757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87540981
Product of the distinct prime numbers

The prime factorization of 87540981 is 3 × 11 × 2652757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87540981)

Multiplication

n×y
n×2 175081962
n×3 262622943
n×4 350163924
n×5 437704905

Division

n÷y
n÷2 43770490.5
n÷3 29180327
n÷3 21885245.25
n÷5 17508196.2

Exponentiation

ny
n2 7663423354442361
n3 6.7086359826619E+23
n4 5.8728057509413E+31
n5 5.1411117665984E+39

Nth Root

y√n
2√n 9356.3337371002
3√n 444.02129899449
4√n 96.728143459389
5√n 38.76522257078

Divisors of 87540981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87540980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87540981 can be divided by 8 positive divisors. The sum of these divisors (counting 87540981) is 1, the average is 0.125.

Base conversion 87540981

Base System Value
2 Binary 101001101111100010011110101
3 Ternary 20002201112122120
4 Quaternary 11031330103311
5 Quinary 134402302411
6 Senary 12404150153
8 Octal 515742365
10 Decimal 87540981
12 Duodecimal 25398359
16 Hexadecimal 537c4f5
20 Vigesimal 1772c91
36 Base36 1g4b1x

Cryptographic Hash Functions

md5 8d4cc74df35d00e23dabb4bd89adac3d
sha1 e11d27be004accdcf340613807fc51ce58b0eb54
sha256 339326aa7c70591b0ee46f94b8c7c9516ad5d02e7a436770862423666870b72e
sha512 2f0fbf1c960b9eecfa954f54eff31499bc44a985abe2c79621811cc3286f4bfb68f78d0164ce516859f6ff638e4d1c0f8a77b409433974c33d3cf08617edf7f5
ripemd-160 7cba77aaa5a5d01d7e4e08e58d147116fb6861a2

87540981 as geometric shapes

Circle

Radius = n
Diameter 175081962
Circumference 550036205.59529
Area 2.4075354511665E+16

Sphere

Radius = n
Volume 2.8101068691652E+24
Surface area 9.6301418046658E+16
Circumference 550036205.59529

Square

Length = n
Perimeter 350163924
Area 7663423354442361
Diagonal 123801642.59365

Cube

Length = n
Surface area 45980540126654166
Volume 6.7086359826619E+23
Space diagonal 151625426.83642

Equilateral Triangle

Length = n
Perimeter 262622943
Area 3.318359652451E+15
Altitude 75812713.418211

Triangular Pyramid

Length = n
Surface area 3.318359652451E+15
Volume 7.9062033264206E+22
Height 41267214.197882