21438039 (number)

21438039 is an odd 8-digits composite number following 21438038 and preceding 21438040. In scientific notation, it is written as 2.1438039 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 11948160 positive integers (up to 21438039) that are relatively prime to 21438039.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1438039 × 10^7
Engineering notation 2.1438039 × 10^6

Prime Factorization of 21438039

Prime Factorization 7 × 3 × 7 × 41 × 3557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3062577
Product of the distinct prime numbers

The prime factorization of 21438039 is 7 × 3 × 7 × 41 × 3557. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21438039)

Multiplication

n×y
n×2 42876078
n×3 64314117
n×4 85752156
n×5 107190195

Division

n÷y
n÷2 10719019.5
n÷3 7146013
n÷3 5359509.75
n÷5 4287607.8

Exponentiation

ny
n2 459589516165521
n3 9.8526979715476E+21
n4 2.1122252336926E+29
n5 4.5281966936686E+36

Nth Root

y√n
2√n 4630.123000526
3√n 277.79751226313
4√n 68.045007168241
5√n 29.257486366579

Divisors of 21438039

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21438038
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21438039 can be divided by 24 positive divisors. The sum of these divisors (counting 21438039) is 1, the average is 0.041666666666667.

Base conversion 21438039

Base System Value
2 Binary 1010001110001111001010111
3 Ternary 1111100011110110
4 Quaternary 1101301321113
5 Quinary 20442004124
6 Senary 2043254103
8 Octal 121617127
10 Decimal 21438039
12 Duodecimal 721a333
16 Hexadecimal 1471e57
20 Vigesimal 6djf1j
36 Base36 crhp3

Cryptographic Hash Functions

md5 d651ec1fc48da94fec248daf2b23c4ac
sha1 d690b8736eb2446e6beadc11d854bbd9bc918006
sha256 ff88e976816d0c324d4efee490bb4777f1151078ba4f62060f1a37cac8eb278c
sha512 47b3395b7a554e0622e7e9fbbc05c4213c46ec2caa6303a4b576ee23fe87319f43050c59fc9ffdec39a05b8aa9c99738ba4a4081f9a087321bab25f4d00914e1
ripemd-160 6157e5c896c8ebf90d4f1a214d603d4dd9520863

21438039 as geometric shapes

Circle

Radius = n
Diameter 42876078
Circumference 134699171.65954
Area 1.4438430476525E+15

Sphere

Radius = n
Volume 4.1270884753937E+22
Surface area 5.77537219061E+15
Circumference 134699171.65954

Square

Length = n
Perimeter 85752156
Area 459589516165521
Diagonal 30317965.504483

Cube

Length = n
Surface area 2757537096993126
Volume 9.8526979715476E+21
Space diagonal 37131772.762643

Equilateral Triangle

Length = n
Perimeter 64314117
Area 1.9900809815617E+14
Altitude 18565886.381322

Triangular Pyramid

Length = n
Surface area 1.9900809815617E+14
Volume 1.161151591444E+21
Height 10105988.501494