21087925 (number)

21087925 is an odd 8-digits composite number following 21087924 and preceding 21087926. In scientific notation, it is written as 2.1087925 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16766000 positive integers (up to 21087925) that are relatively prime to 21087925.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087925 × 10^7
Engineering notation 2.1087925 × 10^6

Prime Factorization of 21087925

Prime Factorization 25 × 167 × 5051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087925
Product of the distinct prime numbers

The prime factorization of 21087925 is 25 × 167 × 5051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 49, 60, 473, 281, 3909, 403, 68234, 98967, 938032, 929833, 1942523, 3300481, 48597900, 19836774, 509855188, 286744290, 9886440721, 9442850258

Basic calculations (n = 21087925)

Multiplication

n×y
n×2 42175850
n×3 63263775
n×4 84351700
n×5 105439625

Division

n÷y
n÷2 10543962.5
n÷3 7029308.3333333
n÷3 5271981.25
n÷5 4217585

Exponentiation

ny
n2 444700580805625
n3 9.3778124954855E+21
n4 1.9775860656886E+29
n5 4.1703186634286E+36

Nth Root

y√n
2√n 4592.159078255
3√n 276.27692659463
4√n 67.765471135786
5√n 29.161292540109

Divisors of 21087925

1, 25, 167, 4175, 5051, 126275, 843517, 21087925

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 -21087924
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 21087925 can be divided by 8 positive divisors. The sum of these divisors (counting 21087925) is 1, the average is 0.125.

Base conversion 21087925

Base System Value
2 Binary 1010000011100011010110101
3 Ternary 1110200101012021
4 Quaternary 1100130122311
5 Quinary 20344303200
6 Senary 2031553141
8 Octal 120343265
10 Decimal 21087925
12 Duodecimal 708b7b1
16 Hexadecimal 141c6b5
20 Vigesimal 6bfjg5
36 Base36 cjzjp

Cryptographic Hash Functions

md5 9779f79a9cd5f24b74658220fc50f620
sha1 db83d90dc927f27e9a5c065d7d4903963c1a5a91
sha256 1498d58ff8e8bf0f08333efadb4eeb3ce8a32040d114f9f31a123ec381da420b
sha512 e74b0eefd770c9f6ee6c4c8941188e5e302533541a014485cd46a150ecf39b13265e42c2608bf62960016444ddc5f6d8d0ef653820f292c73e9f46ca0182191a
ripemd-160 eb09402d22267791f459003bd171c82880983695

21087925 as geometric shapes

Circle

Radius = n
Diameter 42175850
Circumference 132499340.51891
Area 1.3970680777061E+15

Sphere

Radius = n
Volume 3.9281689123413E+22
Surface area 5.5882723108243E+15
Circumference 132499340.51891

Square

Length = n
Perimeter 84351700
Area 444700580805625
Diagonal 29822829.537307

Cube

Length = n
Surface area 2668203484833750
Volume 9.3778124954855E+21
Space diagonal 36525357.526202

Equilateral Triangle

Length = n
Perimeter 63263775
Area 1.9256100002768E+14
Altitude 18262678.763101

Triangular Pyramid

Length = n
Surface area 1.9256100002768E+14
Volume 1.1051858013756E+21
Height 9940943.1791022