87090909 (number)

87090909 is an odd 8-digits composite number following 87090908 and preceding 87090910. In scientific notation, it is written as 8.7090909 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 58060604 positive integers (up to 87090909) that are relatively prime to 87090909.

Interesting facts

Basic properties

Name

Name eighty-seven million ninety thousand nine hundred nine

Notation

Scientific notation 8.7090909 × 10^7
Engineering notation 8.7090909 × 10^6

Prime Factorization of 87090909

Prime Factorization 3 × 29030303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87090909
Product of the distinct prime numbers

The prime factorization of 87090909 is 3 × 29030303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87090909)

Multiplication

n×y
n×2 174181818
n×3 261272727
n×4 348363636
n×5 435454545

Division

n÷y
n÷2 43545454.5
n÷3 29030303
n÷3 21772727.25
n÷5 17418181.8

Exponentiation

ny
n2 7584826430446281
n3 6.6056942843479E+23
n4 5.7529591979996E+31
n5 5.010304459937E+39

Nth Root

y√n
2√n 9332.2510146266
3√n 443.25904641554
4√n 96.60357661405
5√n 38.72527983234

Divisors of 87090909

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 -87090908
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 87090909 can be divided by 4 positive divisors. The sum of these divisors (counting 87090909) is 1, the average is 0.25.

Base conversion 87090909

Base System Value
2 Binary 101001100001110011011011101
3 Ternary 20001212200021020
4 Quaternary 11030032123131
5 Quinary 134243402114
6 Senary 12350354353
8 Octal 514163335
10 Decimal 87090909
12 Duodecimal 251bb9b9
16 Hexadecimal 530e6dd
20 Vigesimal 1746759
36 Base36 1funrx

Cryptographic Hash Functions

md5 fe7e5d1ccf47a44b01c44e1f3b7f9ad5
sha1 9d0ead9c9df171c14cde8319a0e77d86c3328500
sha256 2294e913cff8f11a0c396b636fff23f9d7741975aa56fcc8736b6c7ab59b433a
sha512 4d3782275840b1bd07a22cdd799c63abb13e2b10173e39d065774bd6349180fcffcae142e82d5921d69243b0ceec068d45f9f1c020434d55e332466494c255d6
ripemd-160 56ff9f8f8f8fe6949a9212c3edf07519d52b3429

87090909 as geometric shapes

Circle

Radius = n
Diameter 174181818
Circumference 547208319.81771
Area 2.3828434992644E+16

Sphere

Radius = n
Volume 2.766986751409E+24
Surface area 9.5313739970575E+16
Circumference 547208319.81771

Square

Length = n
Perimeter 348363636
Area 7584826430446281
Diagonal 123165144.6672

Cube

Length = n
Surface area 45508958582677686
Volume 6.6056942843479E+23
Space diagonal 150845879.26536

Equilateral Triangle

Length = n
Perimeter 261272727
Area 3.2843261860311E+15
Altitude 75422939.632679

Triangular Pyramid

Length = n
Surface area 3.2843261860311E+15
Volume 7.7848853715127E+22
Height 41055048.2224