21438038 (number)

21438038 is an even 8-digits composite number following 21438037 and preceding 21438039. In scientific notation, it is written as 2.1438038 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10697040 positive integers (up to 21438038) that are relatively prime to 21438038.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1438038 × 10^7
Engineering notation 2.1438038 × 10^6

Prime Factorization of 21438038

Prime Factorization 2 × 499 × 21481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21438038
Product of the distinct prime numbers

The prime factorization of 21438038 is 2 × 499 × 21481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 87, 10, 175, 423, 9001, 8165, 43947, 89507, 428795, 880169, 5448375, 5644665, 51982084, 89339172, 453736381, 44096055, 8522145252, 4473873434

Basic calculations (n = 21438038)

Multiplication

n×y
n×2 42876076
n×3 64314114
n×4 85752152
n×5 107190190

Division

n÷y
n÷2 10719019
n÷3 7146012.6666667
n÷3 5359509.5
n÷5 4287607.6

Exponentiation

ny
n2 459589473289444
n3 9.8526965927791E+21
n4 2.1122248395847E+29
n5 4.528195637556E+36

Nth Root

y√n
2√n 4630.1228925375
3√n 277.79750794375
4√n 68.045006374733
5√n 29.25748609363

Divisors of 21438038

1, 2, 499, 998, 21481, 42962, 10719019, 21438038

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 -21438037
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 21438038 can be divided by 8 positive divisors. The sum of these divisors (counting 21438038) is 1, the average is 0.125.

Base conversion 21438038

Base System Value
2 Binary 1010001110001111001010110
3 Ternary 1111100011110102
4 Quaternary 1101301321112
5 Quinary 20442004123
6 Senary 2043254102
8 Octal 121617126
10 Decimal 21438038
12 Duodecimal 721a332
16 Hexadecimal 1471e56
20 Vigesimal 6djf1i
36 Base36 crhp2

Cryptographic Hash Functions

md5 fdc57cceee6fccb5734f1eba1f33d05a
sha1 2cb8af33bcb80ded6a2e01f19a7c4ef77a01aa3c
sha256 cf0c3285199c09b5008e67ecd5bee0056afeee0edbac19ae5a0c6dd7ec59cd7f
sha512 4a6d1da74899db07c42b5f609c1a277817c1dd6f34fa02c0a3cb73b49e85a5803620ff696aefc6285b50b3b647dd2db6b313e04a8457043fadc35250554f6c1a
ripemd-160 553962153882610cdcc1bded596261eca2eff387

21438038 as geometric shapes

Circle

Radius = n
Diameter 42876076
Circumference 134699165.37636
Area 1.4438429129533E+15

Sphere

Radius = n
Volume 4.1270878978565E+22
Surface area 5.7753716518133E+15
Circumference 134699165.37636

Square

Length = n
Perimeter 85752152
Area 459589473289444
Diagonal 30317964.09027

Cube

Length = n
Surface area 2757536839736664
Volume 9.8526965927791E+21
Space diagonal 37131771.030592

Equilateral Triangle

Length = n
Perimeter 64314114
Area 1.9900807959028E+14
Altitude 18565885.515296

Triangular Pyramid

Length = n
Surface area 1.9900807959028E+14
Volume 1.1611514289546E+21
Height 10105988.03009