21385964 (number)

21385964 is an even 8-digits composite number following 21385963 and preceding 21385965. In scientific notation, it is written as 2.1385964 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 10444224 positive integers (up to 21385964) that are relatively prime to 21385964.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-five thousand nine hundred sixty-four

Notation

Scientific notation 2.1385964 × 10^7
Engineering notation 2.1385964 × 10^6

Prime Factorization of 21385964

Prime Factorization 2 × 2 × 43 × 124337

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10692982
Product of the distinct prime numbers

The prime factorization of 21385964 is 2 × 2 × 43 × 124337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 77, 37, 699, 609, 7353, 6661, 79227, 21363, 489380, 920296, 1773031, 5166420, 58084548, 37275132, 37342801, 95917726, 7168774550, 2389637679

Basic calculations (n = 21385964)

Multiplication

n×y
n×2 42771928
n×3 64157892
n×4 85543856
n×5 106929820

Division

n÷y
n÷2 10692982
n÷3 7128654.6666667
n÷3 5346491
n÷5 4277192.8

Exponentiation

ny
n2 457359456209296
n3 9.7810728655516E+21
n4 2.0917767218406E+29
n5 4.4734661669322E+36

Nth Root

y√n
2√n 4624.4960806557
3√n 277.57239785132
4√n 68.003647554052
5√n 29.243258702057

Divisors of 21385964

1, 2, 4, 43, 86, 172, 124337, 248674, 497348, 5346491, 10692982, 21385964

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21385963
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21385964 can be divided by 12 positive divisors. The sum of these divisors (counting 21385964) is 1, the average is 0.083333333333333.

Base conversion 21385964

Base System Value
2 Binary 1010001100101001011101100
3 Ternary 1111020112000202
4 Quaternary 1101211023230
5 Quinary 20433322324
6 Senary 2042213032
8 Octal 121451354
10 Decimal 21385964
12 Duodecimal 71b4178
16 Hexadecimal 14652ec
20 Vigesimal 6dd4i4
36 Base36 cqdik

Cryptographic Hash Functions

md5 3a6833dee802aed5b256c3b764753236
sha1 34eb34c5d683b867cc545484cba0c373277bf429
sha256 778c0288663169468c15ea55d52ec0d74d835af57d76e3719b6cc7b187cd11ab
sha512 5557b3f7babd34834294e297c809c4ea24db28340a537f4fbbf4adfdd7ec408ea4d7f454afe1f0e2169efb9354857c81ce9b0d2bf2fe6ee43430ef3ca5932465
ripemd-160 df076ebe6473bde9d4f43d4c34402ca5c189650d

21385964 as geometric shapes

Circle

Radius = n
Diameter 42771928
Circumference 134371974.78467
Area 1.4368371076769E+15

Sphere

Radius = n
Volume 4.0970862211524E+22
Surface area 5.7473484307078E+15
Circumference 134371974.78467

Square

Length = n
Perimeter 85543856
Area 457359456209296
Diagonal 30244320.333223

Cube

Length = n
Surface area 2744156737255776
Volume 9.7810728655516E+21
Space diagonal 37041576.216839

Equilateral Triangle

Length = n
Perimeter 64157892
Area 1.9804245386914E+14
Altitude 18520788.108419

Triangular Pyramid

Length = n
Surface area 1.9804245386914E+14
Volume 1.1527104917519E+21
Height 10081440.111074