21091007 (number)

21091007 is an odd 8-digits composite number following 21091006 and preceding 21091008. In scientific notation, it is written as 2.1091007 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 17039808 positive integers (up to 21091007) that are relatively prime to 21091007.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand seven

Notation

Scientific notation 2.1091007 × 10^7
Engineering notation 2.1091007 × 10^6

Prime Factorization of 21091007

Prime Factorization 7 × 19 × 347 × 457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21091007
Product of the distinct prime numbers

The prime factorization of 21091007 is 7 × 19 × 347 × 457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091007)

Multiplication

n×y
n×2 42182014
n×3 63273021
n×4 84364028
n×5 105455035

Division

n÷y
n÷2 10545503.5
n÷3 7030335.6666667
n÷3 5272751.75
n÷5 4218201.4

Exponentiation

ny
n2 444830576274049
n3 9.38192479801E+21
n4 1.978742415883E+29
n5 4.1733670144586E+36

Nth Root

y√n
2√n 4592.4946379936
3√n 276.29038522889
4√n 67.767946980808
5√n 29.162144874798

Divisors of 21091007

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 -21091006
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 21091007 can be divided by 16 positive divisors. The sum of these divisors (counting 21091007) is 1, the average is 0.0625.

Base conversion 21091007

Base System Value
2 Binary 1010000011101001010111111
3 Ternary 1110200112102102
4 Quaternary 1100131022333
5 Quinary 20344403012
6 Senary 2032015315
8 Octal 120351277
10 Decimal 21091007
12 Duodecimal 709153b
16 Hexadecimal 141d2bf
20 Vigesimal 6bg7a7
36 Base36 ck1xb

Cryptographic Hash Functions

md5 8b849baf304dfefb541eee43a183dc71
sha1 03fb815f284a5f68aee43b3f75dc663c69b5498c
sha256 fabf8e9db6b76238c7f26542579b79d5477c8a7fa5a866816fb380830e1e8fab
sha512 1ac814b205037d086d9da3298597932ab1b89e52f1ad1ffd4061c01239b08caa84a08dc2c801d9580b41617dffc629f5788614f9dd0087e635058489fabbc006
ripemd-160 8ff28d585fc88c4d1c8904a34eca0ceeaeadf3ea

21091007 as geometric shapes

Circle

Radius = n
Diameter 42182014
Circumference 132518705.29602
Area 1.3974764705147E+15

Sphere

Radius = n
Volume 3.9298914695947E+22
Surface area 5.5899058820587E+15
Circumference 132518705.29602

Square

Length = n
Perimeter 84364028
Area 444830576274049
Diagonal 29827188.143506

Cube

Length = n
Surface area 2668983457644294
Volume 9.38192479801E+21
Space diagonal 36530695.706791

Equilateral Triangle

Length = n
Perimeter 63273021
Area 1.926172897167E+14
Altitude 18265347.853395

Triangular Pyramid

Length = n
Surface area 1.926172897167E+14
Volume 1.1056704408759E+21
Height 9942396.0478353