21031647 (number)

21031647 is an odd 8-digits composite number following 21031646 and preceding 21031648. In scientific notation, it is written as 2.1031647 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10817280 positive integers (up to 21031647) that are relatively prime to 21031647.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred forty-seven

Notation

Scientific notation 2.1031647 × 10^7
Engineering notation 2.1031647 × 10^6

Prime Factorization of 21031647

Prime Factorization 7 × 123 × 13 × 1879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031647
Product of the distinct prime numbers

The prime factorization of 21031647 is 7 × 123 × 13 × 1879. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 55, 48, 675, 920, 6476, 1702, 11999, 266, 470443, 296560, 3139920, 5676642, 65861120, 67672478, 416208363, 607185266, 4029988845, 9542373920

Basic calculations (n = 21031647)

Multiplication

n×y
n×2 42063294
n×3 63094941
n×4 84126588
n×5 105158235

Division

n÷y
n÷2 10515823.5
n÷3 7010549
n÷3 5257911.75
n÷5 4206329.4

Exponentiation

ny
n2 442330175532609
n3 9.3029321092499E+21
n4 1.9565598418671E+29
n5 4.1149675928524E+36

Nth Root

y√n
2√n 4586.0273658146
3√n 276.03093803578
4√n 67.720213864212
5√n 29.145711168915

Divisors of 21031647

1, 7, 13, 91, 123, 861, 1599, 1879, 11193, 13153, 24427, 170989, 231117, 1617819, 3004521, 21031647

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 -21031646
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 21031647 can be divided by 16 positive divisors. The sum of these divisors (counting 21031647) is 1, the average is 0.0625.

Base conversion 21031647

Base System Value
2 Binary 1010000001110101011011111
3 Ternary 1110120111222220
4 Quaternary 1100032223133
5 Quinary 20341003042
6 Senary 2030440423
8 Octal 120165337
10 Decimal 21031647
12 Duodecimal 7063113
16 Hexadecimal 140eadf
20 Vigesimal 6b8j27
36 Base36 cis4f

Cryptographic Hash Functions

md5 699f8ad874b3bd9fa754f1b4c0163755
sha1 e4679503ce3de8893d7d5994daf9d18ec9099847
sha256 aa128382ea98ad8c0461636b766c3b1b0ca5bd80c1aad2c84ba04cce31510ebc
sha512 6712e4f50e58ac8fa8cd9d2c40dc055325276b2fd3f5779cda5607e53a228a2bf2fbd6924b21fe26dfe2f785f7f52c324b5fb0d61bc0a4933eef14a09a7b7494
ripemd-160 6e5cf52473b95c1d91df6000fe2b0076de19fb9f

21031647 as geometric shapes

Circle

Radius = n
Diameter 42063294
Circumference 132145735.41619
Area 1.3896212299143E+15

Sphere

Radius = n
Volume 3.8968030895019E+22
Surface area 5.5584849196573E+15
Circumference 132145735.41619

Square

Length = n
Perimeter 84126588
Area 442330175532609
Diagonal 29743240.426443

Cube

Length = n
Surface area 2653981053195654
Volume 9.3029321092499E+21
Space diagonal 36427881.170854

Equilateral Triangle

Length = n
Perimeter 63094941
Area 1.9153458443583E+14
Altitude 18213940.585427

Triangular Pyramid

Length = n
Surface area 1.9153458443583E+14
Volume 1.0963610632281E+21
Height 9914413.4754811