87082781 (number)

87082781 is an odd 8-digits composite number following 87082780 and preceding 87082782. In scientific notation, it is written as 8.7082781 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 85782972 positive integers (up to 87082781) that are relatively prime to 87082781.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-two thousand seven hundred eighty-one

Notation

Scientific notation 8.7082781 × 10^7
Engineering notation 8.7082781 × 10^6

Prime Factorization of 87082781

Prime Factorization 67 × 1299743

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87082781
Product of the distinct prime numbers

The prime factorization of 87082781 is 67 × 1299743. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87082781)

Multiplication

n×y
n×2 174165562
n×3 261248343
n×4 348331124
n×5 435413905

Division

n÷y
n÷2 43541390.5
n÷3 29027593.666667
n÷3 21770695.25
n÷5 17416556.2

Exponentiation

ny
n2 7583410746693961
n3 6.603844972874E+23
n4 5.7508118553073E+31
n5 5.0079668936793E+39

Nth Root

y√n
2√n 9331.8155253948
3√n 443.24525652765
4√n 96.601322586157
5√n 38.724556976581

Divisors of 87082781

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 -87082780
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 87082781 can be divided by 4 positive divisors. The sum of these divisors (counting 87082781) is 1, the average is 0.25.

Base conversion 87082781

Base System Value
2 Binary 101001100001100011100011101
3 Ternary 20001212021010012
4 Quaternary 11030030130131
5 Quinary 134243122111
6 Senary 12350253005
8 Octal 514143435
10 Decimal 87082781
12 Duodecimal 251b7165
16 Hexadecimal 530c71d
20 Vigesimal 17456j1
36 Base36 1fuhi5

Cryptographic Hash Functions

md5 77acc01fcb0938f8e24f6d387bb1bc1b
sha1 763d21a0ccfc8974940e556a17d49578a9b5247e
sha256 7009e648f005f637023e33e4ecfc159a23514f4252448331988229ffeda253ce
sha512 864704c898637059df24ebb1ae7ba9ed6f7fa1acbc3c26f5cad4eb3ae998f9f4e2c076b7330e6990282c32072f6dfcf749c977a326851a53b3dfb9041464a5d8
ripemd-160 f8c0a079591e276caafa765b793b9ad6e9a26930

87082781 as geometric shapes

Circle

Radius = n
Diameter 174165562
Circumference 547157250.08754
Area 2.3823987490968E+16

Sphere

Radius = n
Volume 2.7662121136302E+24
Surface area 9.5295949963871E+16
Circumference 547157250.08754

Square

Length = n
Perimeter 348331124
Area 7583410746693961
Diagonal 123153649.93937

Cube

Length = n
Surface area 45500464480163766
Volume 6.603844972874E+23
Space diagonal 150831801.15639

Equilateral Triangle

Length = n
Perimeter 261248343
Area 3.2837131769844E+15
Altitude 75415900.578197

Triangular Pyramid

Length = n
Surface area 3.2837131769844E+15
Volume 7.7827059370398E+22
Height 41051216.646455