21998938 (number)

21998938 is an even 8-digits composite number following 21998937 and preceding 21998939. In scientific notation, it is written as 2.1998938 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 10153344 positive integers (up to 21998938) that are relatively prime to 21998938.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand nine hundred thirty-eight

Notation

Scientific notation 2.1998938 × 10^7
Engineering notation 2.1998938 × 10^6

Prime Factorization of 21998938

Prime Factorization 2 × 13 × 846113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21998938
Product of the distinct prime numbers

The prime factorization of 21998938 is 2 × 13 × 846113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998938)

Multiplication

n×y
n×2 43997876
n×3 65996814
n×4 87995752
n×5 109994690

Division

n÷y
n÷2 10999469
n÷3 7332979.3333333
n÷3 5499734.5
n÷5 4399787.6

Exponentiation

ny
n2 483953273127844
n3 1.0646458050437E+22
n4 2.3421077057115E+29
n5 5.152388220727E+36

Nth Root

y√n
2√n 4690.3025488768
3√n 280.19942425697
4√n 68.485783553061
5√n 29.409005809405

Divisors of 21998938

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 -21998937
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 21998938 can be divided by 8 positive divisors. The sum of these divisors (counting 21998938) is 1, the average is 0.125.

Base conversion 21998938

Base System Value
2 Binary 1010011111010110101011010
3 Ternary 1112101122212111
4 Quaternary 1103322311122
5 Quinary 21112431223
6 Senary 2103302534
8 Octal 123726532
10 Decimal 21998938
12 Duodecimal 744aa4a
16 Hexadecimal 14fad5a
20 Vigesimal 6h9h6i
36 Base36 d3ihm

Cryptographic Hash Functions

md5 a891a48a6b7b0d32471d3d2a53ac2321
sha1 14c6110dda75f3b2a19a97ed1ffcd5069d5967aa
sha256 9bb01bc2ae44c5a62c8aecb911486cd72142dd9df261dae649fd000c3a9d5e05
sha512 dd4493a5e9c3b09de5ffcde5818dc664b87773d131f0c1e05eabdaafedd097194e2f0b2aab3b1fee3f364323c6f5afbef602b6e4e93f42808dcef1f38e270de4
ripemd-160 e6b50f51bc70e76ad4ce654fc1a68a01b2d29ac7

21998938 as geometric shapes

Circle

Radius = n
Diameter 43997876
Circumference 138223404.01515
Area 1.5203840475392E+15

Sphere

Radius = n
Volume 4.4595779197338E+22
Surface area 6.0815361901567E+15
Circumference 138223404.01515

Square

Length = n
Perimeter 87995752
Area 483953273127844
Diagonal 31111196.477405

Cube

Length = n
Surface area 2903719638767064
Volume 1.0646458050437E+22
Space diagonal 38103278.328558

Equilateral Triangle

Length = n
Perimeter 65996814
Area 2.0955791438667E+14
Altitude 19051639.164279

Triangular Pyramid

Length = n
Surface area 2.0955791438667E+14
Volume 1.254697113847E+21
Height 10370398.825802