21492944 (number)

21492944 is an even 8-digits composite number following 21492943 and preceding 21492945. In scientific notation, it is written as 2.1492944 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 9430400 positive integers (up to 21492944) that are relatively prime to 21492944.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred forty-four

Notation

Scientific notation 2.1492944 × 10^7
Engineering notation 2.1492944 × 10^6

Prime Factorization of 21492944

Prime Factorization 2 × 2 × 2 × 2 × 319 × 4211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2686618
Product of the distinct prime numbers

The prime factorization of 21492944 is 2 × 2 × 2 × 2 × 319 × 4211. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 77, 68, 879, 154, 520, 4894, 44236, 86674, 329116, 253845, 4459675, 9802280, 46676775, 65800664, 63336555, 908808790, 2245463296, 4884485838

Basic calculations (n = 21492944)

Multiplication

n×y
n×2 42985888
n×3 64478832
n×4 85971776
n×5 107464720

Division

n÷y
n÷2 10746472
n÷3 7164314.6666667
n÷3 5373236
n÷5 4298588.8

Exponentiation

ny
n2 461946641787136
n3 9.928593302919E+21
n4 2.1339469985841E+29
n5 4.5864803339537E+36

Nth Root

y√n
2√n 4636.0483172633
3√n 278.0344659923
4√n 68.088532935167
5√n 29.272457317698

Divisors of 21492944

1, 2, 4, 8, 16, 319, 638, 1276, 2552, 4211, 5104, 8422, 16844, 33688, 67376, 1343309, 2686618, 5373236, 10746472, 21492944

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492944 can be divided by 20 positive divisors. The sum of these divisors (counting 21492944) is 1, the average is 0.05.

Base conversion 21492944

Base System Value
2 Binary 1010001111111010011010000
3 Ternary 1111102221202222
4 Quaternary 1101333103100
5 Quinary 21000233234
6 Senary 2044400212
8 Octal 121772320
10 Decimal 21492944
12 Duodecimal 7246068
16 Hexadecimal 147f4d0
20 Vigesimal 6e6c74
36 Base36 cso28

Cryptographic Hash Functions

md5 89e4c46dd12f30f3850b6836f15479da
sha1 92fb5ae4c192f24111c7359547b2ba9a5c065dfa
sha256 59cf0e3a4b542458743e98255b528c0a6209273731957f96ab785f671ad4071f
sha512 8f07046924b460279e9256479ce1e1b97b391738168d752576ee133ec663a68f5b5891884fc3907fd4859054f1a1cfc568fd29de822f51b6cb5e725c3da18074
ripemd-160 90a50d608e138d4802807a1777d1928459b4586a

21492944 as geometric shapes

Circle

Radius = n
Diameter 42985888
Circumference 135044149.94883
Area 1.4512481761889E+15

Sphere

Radius = n
Volume 4.1588794374575E+22
Surface area 5.8049927047558E+15
Circumference 135044149.94883

Square

Length = n
Perimeter 85971776
Area 461946641787136
Diagonal 30395612.900125

Cube

Length = n
Surface area 2771679850722816
Volume 9.928593302919E+21
Space diagonal 37226871.012233

Equilateral Triangle

Length = n
Perimeter 64478832
Area 2.0002876349028E+14
Altitude 18613435.506116

Triangular Pyramid

Length = n
Surface area 2.0002876349028E+14
Volume 1.1700959420229E+21
Height 10131870.966708