21087025 (number)

21087025 is an odd 8-digits composite number following 21087024 and preceding 21087026. In scientific notation, it is written as 2.1087025 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16709840 positive integers (up to 21087025) that are relatively prime to 21087025.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand twenty-five

Notation

Scientific notation 2.1087025 × 10^7
Engineering notation 2.1087025 × 10^6

Prime Factorization of 21087025

Prime Factorization 25 × 107 × 7883

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087025
Product of the distinct prime numbers

The prime factorization of 21087025 is 25 × 107 × 7883. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087025)

Multiplication

n×y
n×2 42174050
n×3 63261075
n×4 84348100
n×5 105435125

Division

n÷y
n÷2 10543512.5
n÷3 7029008.3333333
n÷3 5271756.25
n÷5 4217405

Exponentiation

ny
n2 444662623350625
n3 9.3766118551602E+21
n4 1.9772484860506E+29
n5 4.1694288256561E+36

Nth Root

y√n
2√n 4592.0610840885
3√n 276.27299618151
4√n 67.764748092858
5√n 29.161043624094

Divisors of 21087025

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 -21087024
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 21087025 can be divided by 8 positive divisors. The sum of these divisors (counting 21087025) is 1, the average is 0.125.

Base conversion 21087025

Base System Value
2 Binary 1010000011100001100110001
3 Ternary 1110200022221221
4 Quaternary 1100130030301
5 Quinary 20344241100
6 Senary 2031545041
8 Octal 120341461
10 Decimal 21087025
12 Duodecimal 708b181
16 Hexadecimal 141c331
20 Vigesimal 6bfhb5
36 Base36 cjyup

Cryptographic Hash Functions

md5 cc97d35d6cc0a756f43e1b4de90cfab4
sha1 7b901933fab8bd81c9631d8577008daa05dabf42
sha256 fcf836d8cd7915d30002a9eeb71df7cf4cc24b2bae0ce49819377faaf032ac4a
sha512 82e0dbadd7edd77ed6e99a9a4dacb99e9b07c31245c8e7fa55d14b3d9d662dc1cf21b6235f619ae60c0628761ebe046ed1b820cdd79293e2f53a3d7efafdc05d
ripemd-160 1ab905bfe68e5619906c9af47d1fe22b4a0875c1

21087025 as geometric shapes

Circle

Radius = n
Diameter 42174050
Circumference 132493685.65213
Area 1.3969488308443E+15

Sphere

Radius = n
Volume 3.9276659892979E+22
Surface area 5.5877953233772E+15
Circumference 132493685.65213

Square

Length = n
Perimeter 84348100
Area 444662623350625
Diagonal 29821556.745101

Cube

Length = n
Surface area 2667975740103750
Volume 9.3766118551602E+21
Space diagonal 36523798.680475

Equilateral Triangle

Length = n
Perimeter 63261075
Area 1.9254456396754E+14
Altitude 18261899.340238

Triangular Pyramid

Length = n
Surface area 1.9254456396754E+14
Volume 1.1050443045563E+21
Height 9940518.9150335