21107978 (number)

21107978 is an even 8-digits composite number following 21107977 and preceding 21107979. In scientific notation, it is written as 2.1107978 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10542880 positive integers (up to 21107978) that are relatively prime to 21107978.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred seven thousand nine hundred seventy-eight

Notation

Scientific notation 2.1107978 × 10^7
Engineering notation 2.1107978 × 10^6

Prime Factorization of 21107978

Prime Factorization 2 × 10061 × 1049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21107978
Product of the distinct prime numbers

The prime factorization of 21107978 is 2 × 10061 × 1049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21107978)

Multiplication

n×y
n×2 42215956
n×3 63323934
n×4 84431912
n×5 105539890

Division

n÷y
n÷2 10553989
n÷3 7035992.6666667
n÷3 5276994.5
n÷5 4221595.6

Exponentiation

ny
n2 445546735248484
n3 9.4045906855968E+21
n4 1.9851189329058E+29
n5 4.190184676316E+36

Nth Root

y√n
2√n 4594.3419550573
3√n 276.36447157658
4√n 67.781575336203
5√n 29.166836462492

Divisors of 21107978

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 -21107977
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 21107978 can be divided by 8 positive divisors. The sum of these divisors (counting 21107978) is 1, the average is 0.125.

Base conversion 21107978

Base System Value
2 Binary 1010000100001010100001010
3 Ternary 1110201101200222
4 Quaternary 1100201110022
5 Quinary 20400423403
6 Senary 2032230042
8 Octal 120412412
10 Decimal 21107978
12 Duodecimal 709b322
16 Hexadecimal 142150a
20 Vigesimal 6bi9ii
36 Base36 ckf0q

Cryptographic Hash Functions

md5 753cd536c13512830e3b4163258aef20
sha1 7440c7d3053277d344744ee664ff4ac1c15a9f06
sha256 295de10b865674bf274e3d80a59d4e6be9d28de0520e5c2eb30f9b6aacc7710a
sha512 ce66afe5bea780ce6150938f5b908e765683a7985e394fc2175777e1905bb8f32d7990674fb1f68ce6bcb3ec48c0d99dbec441bf807956268d29b9df1e345367
ripemd-160 4f9fcc0e3d7e799818fe4f73a49482b92d7a1444

21107978 as geometric shapes

Circle

Radius = n
Diameter 42215956
Circumference 132625337.23387
Area 1.3997263502876E+15

Sphere

Radius = n
Volume 3.9393857343853E+22
Surface area 5.5989054011502E+15
Circumference 132625337.23387

Square

Length = n
Perimeter 84431912
Area 445546735248484
Diagonal 29851188.761873

Cube

Length = n
Surface area 2673280411490904
Volume 9.4045906855968E+21
Space diagonal 36560090.341046

Equilateral Triangle

Length = n
Perimeter 63323934
Area 1.929273956492E+14
Altitude 18280045.170523

Triangular Pyramid

Length = n
Surface area 1.929273956492E+14
Volume 1.1083416413449E+21
Height 9950396.2539576