20994915 (number)

20994915 is an odd 8-digits composite number following 20994914 and preceding 20994916. In scientific notation, it is written as 2.0994915 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 10465280 positive integers (up to 20994915) that are relatively prime to 20994915.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-four thousand nine hundred fifteen

Notation

Scientific notation 2.0994915 × 10^7
Engineering notation 2.0994915 × 10^6

Prime Factorization of 20994915

Prime Factorization 3 × 85 × 293 × 281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20994915
Product of the distinct prime numbers

The prime factorization of 20994915 is 3 × 85 × 293 × 281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 60, 67, 542, 870, 8526, 6507, 76159, 85875, 586077, 199922, 6301250, 923994, 25578022, 8378631, 578587648, 153010608, 7997697342, 2117059350

Basic calculations (n = 20994915)

Multiplication

n×y
n×2 41989830
n×3 62984745
n×4 83979660
n×5 104974575

Division

n÷y
n÷2 10497457.5
n÷3 6998305
n÷3 5248728.75
n÷5 4198983

Exponentiation

ny
n2 440786455857225
n3 9.2542741738737E+21
n4 1.9429269966717E+29
n5 4.0791587146328E+36

Nth Root

y√n
2√n 4582.0208423795
3√n 275.87014738106
4√n 67.690625956476
5√n 29.135523388953

Divisors of 20994915

1, 3, 85, 255, 281, 293, 843, 879, 23885, 24905, 71655, 74715, 82333, 246999, 6998305, 20994915

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 -20994914
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 20994915 can be divided by 16 positive divisors. The sum of these divisors (counting 20994915) is 1, the average is 0.0625.

Base conversion 20994915

Base System Value
2 Binary 1010000000101101101100011
3 Ternary 1110111122121110
4 Quaternary 1100011231203
5 Quinary 20333314130
6 Senary 2025554403
8 Octal 120055543
10 Decimal 20994915
12 Duodecimal 7045a03
16 Hexadecimal 1405b63
20 Vigesimal 6b475f
36 Base36 chzs3

Cryptographic Hash Functions

md5 2160957046dc0051e76f99fc543f9bef
sha1 a4eb2fab8b2327f033e86c5eda45e6ba07844253
sha256 a50d752b3c267998586e1961c00c496bbabf2b0c2510a0c930f9024eb2052a81
sha512 9548e577f3a3b54b6f9ed77750f7dec3e06b0d6b7c5f8cfc68619bacb3d8ef9660c43f51cec6c95a81e0671f9ff39f77bb89f33aee6c60cbe98eb29d29355f19
ripemd-160 091a32a5cd9d4fedc21f2f1186ef253cb227f288

20994915 as geometric shapes

Circle

Radius = n
Diameter 41989830
Circumference 131914941.45348
Area 1.3847714915229E+15

Sphere

Radius = n
Volume 3.876421301193E+22
Surface area 5.5390859660918E+15
Circumference 131914941.45348

Square

Length = n
Perimeter 83979660
Area 440786455857225
Diagonal 29691293.53387

Cube

Length = n
Surface area 2644718735143350
Volume 9.2542741738737E+21
Space diagonal 36364259.48059

Equilateral Triangle

Length = n
Perimeter 62984745
Area 1.9086613420823E+14
Altitude 18182129.740295

Triangular Pyramid

Length = n
Surface area 1.9086613420823E+14
Volume 1.0906266705509E+21
Height 9897097.8446234