21031472 (number)

21031472 is an even 8-digits composite number following 21031471 and preceding 21031473. In scientific notation, it is written as 2.1031472 × 10^7. The sum of its digits is 20. It has a total of 8 prime factors and 80 positive divisors. There are 7983360 positive integers (up to 21031472) that are relatively prime to 21031472.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred seventy-two

Notation

Scientific notation 2.1031472 × 10^7
Engineering notation 2.1031472 × 10^6

Prime Factorization of 21031472

Prime Factorization 2 × 2 × 2 × 2 × 7 × 11 × 43 × 397

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2628934
Product of the distinct prime numbers

The prime factorization of 21031472 is 2 × 2 × 2 × 2 × 7 × 11 × 43 × 397. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 4, 67, 97, 886, 424, 2092, 7003, 44683, 95907, 815558, 829761, 8112954, 651988, 37985438, 14965098, 351529325, 400070165, 8963521615, 6184178123

Basic calculations (n = 21031472)

Multiplication

n×y
n×2 42062944
n×3 63094416
n×4 84125888
n×5 105157360

Division

n÷y
n÷2 10515736
n÷3 7010490.6666667
n÷3 5257868
n÷5 4206294.4

Exponentiation

ny
n2 442322814486784
n3 9.30269988784E+21
n4 1.9564947221551E+29
n5 4.1147963967153E+36

Nth Root

y√n
2√n 4586.0082860806
3√n 276.03017243481
4√n 67.720072992286
5√n 29.145662665663

Divisors of 21031472

1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 301, 308, 344, 397, 473, 602, 616, 688, 794, 946, 1204, 1232, 1588, 1892, 2408, 2779, 3176, 3311, 3784, 4367, 4816, 5558, 6352, 6622, 7568, 8734, 11116, 13244, 17071, 17468, 22232, 26488, 30569, 34142, 34936, 44464, 52976, 61138, 68284, 69872, 119497, 122276, 136568, 187781, 238994, 244552, 273136, 375562, 477988, 489104, 751124, 955976, 1314467, 1502248, 1911952, 2628934, 3004496, 5257868, 10515736, 21031472

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031471
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031472 can be divided by 80 positive divisors. The sum of these divisors (counting 21031472) is 1, the average is 0.0125.

Base conversion 21031472

Base System Value
2 Binary 1010000001110101000110000
3 Ternary 1110120111202102
4 Quaternary 1100032220300
5 Quinary 20341001342
6 Senary 2030435532
8 Octal 120165060
10 Decimal 21031472
12 Duodecimal 7062ba8
16 Hexadecimal 140ea30
20 Vigesimal 6b8idc
36 Base36 cirzk

Cryptographic Hash Functions

md5 2b71f408213caea55dba68b20c19d21b
sha1 b4daac70901dab09f8e5d71bb916b7aa15a15942
sha256 eaeb10e039dfdca9ea73bcf017f35dfcfc41dd49c176f8e0342411e401d303ce
sha512 3a112f19537165f3499169c3ee23ab511191dcce65f01eb11d45ec9a125da580f47ee11126a38c41563b1401d5d7be220d0859d0667accae69d260053d5333d7
ripemd-160 d4bb98aaf000f6c9ab4f10d5642ea334921bc1fc

21031472 as geometric shapes

Circle

Radius = n
Diameter 42062944
Circumference 132144635.85876
Area 1.3895981045068E+15

Sphere

Radius = n
Volume 3.8967058168252E+22
Surface area 5.5583924180274E+15
Circumference 132144635.85876

Square

Length = n
Perimeter 84125888
Area 442322814486784
Diagonal 29742992.93907

Cube

Length = n
Surface area 2653936886920704
Volume 9.30269988784E+21
Space diagonal 36427578.061962

Equilateral Triangle

Length = n
Perimeter 63094416
Area 1.9153139700949E+14
Altitude 18213789.030981

Triangular Pyramid

Length = n
Surface area 1.9153139700949E+14
Volume 1.0963336956725E+21
Height 9914330.97969