21373905 (number)

21373905 is an odd 8-digits composite number following 21373904 and preceding 21373906. In scientific notation, it is written as 2.1373905 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 9720000 positive integers (up to 21373905) that are relatively prime to 21373905.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-three thousand nine hundred five

Notation

Scientific notation 2.1373905 × 10^7
Engineering notation 2.1373905 × 10^6

Prime Factorization of 21373905

Prime Factorization 15 × 7 × 251 × 811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21373905
Product of the distinct prime numbers

The prime factorization of 21373905 is 15 × 7 × 251 × 811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 66, 98, 567, 97, 9092, 5701, 96961, 2166, 320674, 931198, 5125547, 1780133, 32662405, 43651816, 388242470, 474378171, 3376040268, 4751413783

Basic calculations (n = 21373905)

Multiplication

n×y
n×2 42747810
n×3 64121715
n×4 85495620
n×5 106869525

Division

n÷y
n÷2 10686952.5
n÷3 7124635
n÷3 5343476.25
n÷5 4274781

Exponentiation

ny
n2 456843814949025
n3 9.764536300558E+21
n4 2.0870627125718E+29
n5 4.4608680147552E+36

Nth Root

y√n
2√n 4623.1920790726
3√n 277.52021604203
4√n 67.994059145433
5√n 29.239960052321

Divisors of 21373905

1, 7, 15, 105, 251, 811, 1757, 3765, 5677, 12165, 26355, 85155, 203561, 1424927, 3053415, 21373905

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 -21373904
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 21373905 can be divided by 16 positive divisors. The sum of these divisors (counting 21373905) is 1, the average is 0.0625.

Base conversion 21373905

Base System Value
2 Binary 1010001100010001111010001
3 Ternary 1111012220111010
4 Quaternary 1101202033101
5 Quinary 20432431110
6 Senary 2042041133
8 Octal 121421721
10 Decimal 21373905
12 Duodecimal 71a91a9
16 Hexadecimal 14623d1
20 Vigesimal 6dbef5
36 Base36 cq47l

Cryptographic Hash Functions

md5 50ade28fe77bfd7abb08ba3d452d266b
sha1 039c1125914c80c38c950487e7b385b64c25dffb
sha256 3fd7734c35501e267ce546280d5c7fbf39acb1a8ce7c684d7fc0930343f43cec
sha512 9127e47fe5f92f0901a0d4d18c224bfc765e301d05d1595c0831402c4c4f87bf87cb3e04ef3c4910062722bcd574cf4e77a0598d4d9fca07eb921cdbf3276ac9
ripemd-160 6848a590ad824aa9fb453bbecfc03fe23eede935

21373905 as geometric shapes

Circle

Radius = n
Diameter 42747810
Circumference 134296205.85305
Area 1.4352171728818E+15

Sphere

Radius = n
Volume 4.0901594010059E+22
Surface area 5.7408686915272E+15
Circumference 134296205.85305

Square

Length = n
Perimeter 85495620
Area 456843814949025
Diagonal 30227266.331874

Cube

Length = n
Surface area 2741062889694150
Volume 9.764536300558E+21
Space diagonal 37020689.41615

Equilateral Triangle

Length = n
Perimeter 64121715
Area 1.9781917465383E+14
Altitude 18510344.708075

Triangular Pyramid

Length = n
Surface area 1.9781917465383E+14
Volume 1.1507616388778E+21
Height 10075755.443958