21000925 (number)

21000925 is an odd 8-digits composite number following 21000924 and preceding 21000926. In scientific notation, it is written as 2.1000925 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 15273200 positive integers (up to 21000925) that are relatively prime to 21000925.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-five

Notation

Scientific notation 2.1000925 × 10^7
Engineering notation 2.1000925 × 10^6

Prime Factorization of 21000925

Prime Factorization 55 × 5 × 76367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000925
Product of the distinct prime numbers

The prime factorization of 21000925 is 55 × 5 × 76367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000925)

Multiplication

n×y
n×2 42001850
n×3 63002775
n×4 84003700
n×5 105004625

Division

n÷y
n÷2 10500462.5
n÷3 7000308.3333333
n÷3 5250231.25
n÷5 4200185

Exponentiation

ny
n2 441038850855625
n3 9.2622238289052E+21
n4 1.9451526796405E+29
n5 4.0850005538679E+36

Nth Root

y√n
2√n 4582.6766196187
3√n 275.89646838001
4√n 67.695469712668
5√n 29.137191263759

Divisors of 21000925

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 -21000924
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 21000925 can be divided by 8 positive divisors. The sum of these divisors (counting 21000925) is 1, the average is 0.125.

Base conversion 21000925

Base System Value
2 Binary 1010000000111001011011101
3 Ternary 1110111221212001
4 Quaternary 1100013023131
5 Quinary 20334012200
6 Senary 2030042301
8 Octal 120071335
10 Decimal 21000925
12 Duodecimal 7049391
16 Hexadecimal 14072dd
20 Vigesimal 6b5265
36 Base36 ci4f1

Cryptographic Hash Functions

md5 0f807be4839be2d96aefdf1fddbc2899
sha1 9f0a6222937f1e2949efebf648d51ba8b6321e66
sha256 b13b40f6dc66f97107854e758473e69bcd81ea8c90cc3a4257286818ab75961e
sha512 b4ac8c86f0c82c6873134c21b7e0e238a6b1bc9c0364dc91bd10cfe367114040ec9f5a064043efab70ba15d23a431153a060a2034e47d0951e66aba71d43793f
ripemd-160 5874f591432c11b711656860549cb29831f34bd7

21000925 as geometric shapes

Circle

Radius = n
Diameter 42001850
Circumference 131952703.39718
Area 1.3855644137957E+15

Sphere

Radius = n
Volume 3.8797512449057E+22
Surface area 5.5422576551829E+15
Circumference 131952703.39718

Square

Length = n
Perimeter 84003700
Area 441038850855625
Diagonal 29699792.95738

Cube

Length = n
Surface area 2646233105133750
Volume 9.2622238289052E+21
Space diagonal 36374669.105943

Equilateral Triangle

Length = n
Perimeter 63002775
Area 1.9097542444843E+14
Altitude 18187334.552972

Triangular Pyramid

Length = n
Surface area 1.9097542444843E+14
Volume 1.0915635463811E+21
Height 9899930.9857934