21381837 (number)

21381837 is an odd 8-digits composite number following 21381836 and preceding 21381838. In scientific notation, it is written as 2.1381837 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14231040 positive integers (up to 21381837) that are relatively prime to 21381837.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-one thousand eight hundred thirty-seven

Notation

Scientific notation 2.1381837 × 10^7
Engineering notation 2.1381837 × 10^6

Prime Factorization of 21381837

Prime Factorization 3 × 641 × 11119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21381837
Product of the distinct prime numbers

The prime factorization of 21381837 is 3 × 641 × 11119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21381837)

Multiplication

n×y
n×2 42763674
n×3 64145511
n×4 85527348
n×5 106909185

Division

n÷y
n÷2 10690918.5
n÷3 7127279
n÷3 5345459.25
n÷5 4276367.4

Exponentiation

ny
n2 457182953494569
n3 9.7754113907995E+21
n4 2.0901625296602E+29
n5 4.4691514512701E+36

Nth Root

y√n
2√n 4624.0498483472
3√n 277.55454166955
4√n 68.000366530977
5√n 29.242129959432

Divisors of 21381837

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 -21381836
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 21381837 can be divided by 8 positive divisors. The sum of these divisors (counting 21381837) is 1, the average is 0.125.

Base conversion 21381837

Base System Value
2 Binary 1010001100100001011001101
3 Ternary 1111020022100220
4 Quaternary 1101210023031
5 Quinary 20433204322
6 Senary 2042141553
8 Octal 121441315
10 Decimal 21381837
12 Duodecimal 71b18b9
16 Hexadecimal 14642cd
20 Vigesimal 6dcebh
36 Base36 cqabx

Cryptographic Hash Functions

md5 67bcc853f5ea60c88e481da3322e304f
sha1 a4dc17f08fc0ee3aa66b6648c226d73b2c2435be
sha256 3378c0da4b0248bef5fbfeb1f80e3a0b33cc99814758fc4821f4fff4ea019a44
sha512 8fc5887b5ff875538e802a7af13018c4e3c6da2360a765013cd9aa3bdf7a374f45a1b67e470807378ac0602bbdee7b7103c03bbe6930285d93e243b210d934a6
ripemd-160 de3b511871234f24c444d4097afe52e43b0f8efe

21381837 as geometric shapes

Circle

Radius = n
Diameter 42763674
Circumference 134346044.07891
Area 1.436282608045E+15

Sphere

Radius = n
Volume 4.0947147481538E+22
Surface area 5.7451304321801E+15
Circumference 134346044.07891

Square

Length = n
Perimeter 85527348
Area 457182953494569
Diagonal 30238483.873851

Cube

Length = n
Surface area 2743097720967414
Volume 9.7754113907995E+21
Space diagonal 37034428.043156

Equilateral Triangle

Length = n
Perimeter 64145511
Area 1.9796602595175E+14
Altitude 18517214.021578

Triangular Pyramid

Length = n
Surface area 1.9796602595175E+14
Volume 1.1520432805538E+21
Height 10079494.624617