87081621 (number)

87081621 is an odd 8-digits composite number following 87081620 and preceding 87081622. In scientific notation, it is written as 8.7081621 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 52107120 positive integers (up to 87081621) that are relatively prime to 87081621.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand six hundred twenty-one

Notation

Scientific notation 8.7081621 × 10^7
Engineering notation 8.7081621 × 10^6

Prime Factorization of 87081621

Prime Factorization 3 × 11 × 79 × 33403

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87081621
Product of the distinct prime numbers

The prime factorization of 87081621 is 3 × 11 × 79 × 33403. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081621)

Multiplication

n×y
n×2 174163242
n×3 261244863
n×4 348326484
n×5 435408105

Division

n÷y
n÷2 43540810.5
n÷3 29027207
n÷3 21770405.25
n÷5 17416324.2

Exponentiation

ny
n2 7583208715987641
n3 6.6035810736953E+23
n4 5.7505054430231E+31
n5 5.0076333554777E+39

Nth Root

y√n
2√n 9331.7533722232
3√n 443.24328841265
4√n 96.60100088624
5√n 38.72445380871

Divisors of 87081621

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081621 can be divided by 16 positive divisors. The sum of these divisors (counting 87081621) is 1, the average is 0.0625.

Base conversion 87081621

Base System Value
2 Binary 101001100001100001010010101
3 Ternary 20001212012112020
4 Quaternary 11030030022111
5 Quinary 134243102441
6 Senary 12350243353
8 Octal 514141225
10 Decimal 87081621
12 Duodecimal 251b6559
16 Hexadecimal 530c295
20 Vigesimal 1745411
36 Base36 1fuglx

Cryptographic Hash Functions

md5 1a11cb742c4d306411abec1b6b6add49
sha1 42673ef0b8bd17245267f668186e6ab790fb2139
sha256 5a6d0f4a91d8830fd9964689439d33295d68dc029539b0835408c82ad9beaa98
sha512 5ea40753780b4bb54071d3a745262033576d52f621916b0fa6444d6e836b90c518172bcb1f1244e40b14b55885b809281bcd54b4f2e0e979cdc5aad7424fbc8b
ripemd-160 68bc69c93c86cfb642913a1cda28b520ce5a9f30

87081621 as geometric shapes

Circle

Radius = n
Diameter 174163242
Circumference 547149961.59258
Area 2.3823352792785E+16

Sphere

Radius = n
Volume 2.7661015718008E+24
Surface area 9.5293411171139E+16
Circumference 547149961.59258

Square

Length = n
Perimeter 348326484
Area 7583208715987641
Diagonal 123152009.45163

Cube

Length = n
Surface area 45499252295925846
Volume 6.6035810736953E+23
Space diagonal 150829791.97746

Equilateral Triangle

Length = n
Perimeter 261244863
Area 3.2836256951224E+15
Altitude 75414895.988728

Triangular Pyramid

Length = n
Surface area 3.2836256951224E+15
Volume 7.7823949288752E+22
Height 41050669.817211