21379970 (number)

21379970 is an even 8-digits composite number following 21379969 and preceding 21379971. In scientific notation, it is written as 2.1379970 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8448624 positive integers (up to 21379970) that are relatively prime to 21379970.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-nine thousand nine hundred seventy

Notation

Scientific notation 2.1379970 × 10^7
Engineering notation 2.1379970 × 10^6

Prime Factorization of 21379970

Prime Factorization 2 × 5 × 83 × 25759

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21379970
Product of the distinct prime numbers

The prime factorization of 21379970 is 2 × 5 × 83 × 25759. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 2, 78, 124, 819, 6048, 9864, 80518, 88794, 961296, 698657, 1295957, 2997034, 54443812, 11044037, 965131232, 869598990, 9965733512, 4137117392

Basic calculations (n = 21379970)

Multiplication

n×y
n×2 42759940
n×3 64139910
n×4 85519880
n×5 106899850

Division

n÷y
n÷2 10689985
n÷3 7126656.6666667
n÷3 5344992.5
n÷5 4275994

Exponentiation

ny
n2 457103117200900
n3 9.7728509326617E+21
n4 2.0894325975478E+29
n5 4.4672006252594E+36

Nth Root

y√n
2√n 4623.8479646286
3√n 277.54646301518
4√n 67.998882083668
5√n 29.241619273998

Divisors of 21379970

1, 2, 5, 10, 83, 166, 415, 830, 25759, 51518, 128795, 257590, 2137997, 4275994, 10689985, 21379970

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21379969
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21379970 can be divided by 16 positive divisors. The sum of these divisors (counting 21379970) is 1, the average is 0.0625.

Base conversion 21379970

Base System Value
2 Binary 1010001100011101110000010
3 Ternary 1111020012210202
4 Quaternary 1101203232002
5 Quinary 20433124340
6 Senary 2042125202
8 Octal 121435602
10 Decimal 21379970
12 Duodecimal 71b0802
16 Hexadecimal 1463b82
20 Vigesimal 6dc9ia
36 Base36 cq8w2

Cryptographic Hash Functions

md5 8d1e3759320839231ed9739db48b30ef
sha1 e59853fbe0495894bc3d118e6f7832c2a3f0eb8f
sha256 ae79843b4e987b31c062ed3133ce2337ad26b21c3ff689a7ffbc527536d927be
sha512 72e7582ef87c9cc99aa94d81eccc59147e99118cd9f245c9acfe49515c573d383271e57cc6945d3f3f2b758bdfe9b65ad2caffa02cd99ce25481855986c50c6e
ripemd-160 d9ce6978ae269544c81ccd3548af9793708090fa

21379970 as geometric shapes

Circle

Radius = n
Diameter 42759940
Circumference 134334313.37194
Area 1.4360317949313E+15

Sphere

Radius = n
Volume 4.0936422259571E+22
Surface area 5.7441271797254E+15
Circumference 134334313.37194

Square

Length = n
Perimeter 85519880
Area 457103117200900
Diagonal 30235843.53713

Cube

Length = n
Surface area 2742618703205400
Volume 9.7728509326617E+21
Space diagonal 37031194.304298

Equilateral Triangle

Length = n
Perimeter 64139910
Area 1.9793145582252E+14
Altitude 18515597.152149

Triangular Pyramid

Length = n
Surface area 1.9793145582252E+14
Volume 1.1517415276684E+21
Height 10078614.512377