21998438 (number)

21998438 is an even 8-digits composite number following 21998437 and preceding 21998439. In scientific notation, it is written as 2.1998438 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors. There are 8517600 positive integers (up to 21998438) that are relatively prime to 21998438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1998438 × 10^7
Engineering notation 2.1998438 × 10^6

Prime Factorization of 21998438

Prime Factorization 2 × 7 × 11 × 211 × 677

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21998438
Product of the distinct prime numbers

The prime factorization of 21998438 is 2 × 7 × 11 × 211 × 677. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 83, 70, 958, 422, 2826, 5322, 26240, 99399, 215887, 236826, 3346335, 7515375, 58503177, 7440889, 350408273, 801433691, 2278202482, 89618956

Basic calculations (n = 21998438)

Multiplication

n×y
n×2 43996876
n×3 65995314
n×4 87993752
n×5 109992190

Division

n÷y
n÷2 10999219
n÷3 7332812.6666667
n÷3 5499609.5
n÷5 4399687.6

Exponentiation

ny
n2 483931274439844
n3 1.0645732137026E+22
n4 2.3418947838097E+29
n5 5.1518027204161E+36

Nth Root

y√n
2√n 4690.2492471083
3√n 280.1973014155
4√n 68.48539440719
5√n 29.408872124438

Divisors of 21998438

1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 677, 1354, 1477, 2321, 2954, 4642, 4739, 7447, 9478, 14894, 16247, 32494, 52129, 104258, 142847, 285694, 999929, 1571317, 1999858, 3142634, 10999219, 21998438

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998438 can be divided by 32 positive divisors. The sum of these divisors (counting 21998438) is 1, the average is 0.03125.

Base conversion 21998438

Base System Value
2 Binary 1010011111010101101100110
3 Ternary 1112101122011222
4 Quaternary 1103322231212
5 Quinary 21112422223
6 Senary 2103300342
8 Octal 123725546
10 Decimal 21998438
12 Duodecimal 744a6b2
16 Hexadecimal 14fab66
20 Vigesimal 6h9g1i
36 Base36 d3i3q

Cryptographic Hash Functions

md5 ecbb67fa817454fb93cb92958b896aba
sha1 3c445900574aa4ba8a1e34d9ce83fd150d74ecb9
sha256 405f874c20f10b5987dbdc4bc86ff8d6633ab9ce9c530e429edae8da94729285
sha512 bd9c7e2c9c7cb34f005eb0b4d6330688fb63d7fe992242db120a364c10b2a268addddd94726b0aea96bd18e9d06fb79af873a804779fd91865bf7d79f4347484
ripemd-160 fa7bc1fc1e4cc2bd17c4d7b9765c835d2ea2a4a2

21998438 as geometric shapes

Circle

Radius = n
Diameter 43996876
Circumference 138220262.4225
Area 1.5203149366226E+15

Sphere

Radius = n
Volume 4.4592738498354E+22
Surface area 6.0812597464902E+15
Circumference 138220262.4225

Square

Length = n
Perimeter 87993752
Area 483931274439844
Diagonal 31110489.370624

Cube

Length = n
Surface area 2903587646639064
Volume 1.0645732137026E+22
Space diagonal 38102412.303154

Equilateral Triangle

Length = n
Perimeter 65995314
Area 2.0954838867534E+14
Altitude 19051206.151577

Triangular Pyramid

Length = n
Surface area 2.0954838867534E+14
Volume 1.2546115641311E+21
Height 10370163.123541