21031386 (number)

21031386 is an even 8-digits composite number following 21031385 and preceding 21031387. In scientific notation, it is written as 2.1031386 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6847344 positive integers (up to 21031386) that are relatively prime to 21031386.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand three hundred eighty-six

Notation

Scientific notation 2.1031386 × 10^7
Engineering notation 2.1031386 × 10^6

Prime Factorization of 21031386

Prime Factorization 2 × 3 × 43 × 81517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031386
Product of the distinct prime numbers

The prime factorization of 21031386 is 2 × 3 × 43 × 81517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 17, 99, 734, 667, 5998, 8178, 95589, 60992, 421665, 279892, 601933, 9046397, 48077544, 10084074, 652478596, 547796761, 8115674012, 8595308936

Basic calculations (n = 21031386)

Multiplication

n×y
n×2 42062772
n×3 63094158
n×4 84125544
n×5 105156930

Division

n÷y
n÷2 10515693
n÷3 7010462
n÷3 5257846.5
n÷5 4206277.2

Exponentiation

ny
n2 442319197080996
n3 9.3025857690205E+21
n4 1.9564627210638E+29
n5 4.1147122681302E+36

Nth Root

y√n
2√n 4585.9989097251
3√n 276.02979619506
4√n 67.720003763475
5√n 29.14563882966

Divisors of 21031386

1, 2, 3, 6, 43, 86, 129, 258, 81517, 163034, 244551, 489102, 3505231, 7010462, 10515693, 21031386

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 -21031385
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 21031386 can be divided by 16 positive divisors. The sum of these divisors (counting 21031386) is 1, the average is 0.0625.

Base conversion 21031386

Base System Value
2 Binary 1010000001110100111011010
3 Ternary 1110120111122020
4 Quaternary 1100032213122
5 Quinary 20341001021
6 Senary 2030435310
8 Octal 120164732
10 Decimal 21031386
12 Duodecimal 7062b36
16 Hexadecimal 140e9da
20 Vigesimal 6b8i96
36 Base36 cirx6

Cryptographic Hash Functions

md5 c339b187d1362c4db1cb46edee98d15f
sha1 8cb02499e331e7a3221d16dd94b4ff6342e36f86
sha256 782946eb59116d2f6a269ab58e77cc9a1c7da2b2a6e88fc461bdf419eec97399
sha512 b36490c6d8acca62694bd59e1ae3f29742bc778ff4c59976121f0006cdd0695cb015ac16e5c22c0f004a4f625d48a89685804801bf0e892f7c38024c3f1f851c
ripemd-160 218cd325771121a98794c817abb953b20ed6f109

21031386 as geometric shapes

Circle

Radius = n
Diameter 42062772
Circumference 132144095.50482
Area 1.3895867400914E+15

Sphere

Radius = n
Volume 3.8966580148458E+22
Surface area 5.5583469603656E+15
Circumference 132144095.50482

Square

Length = n
Perimeter 84125544
Area 442319197080996
Diagonal 29742871.316704

Cube

Length = n
Surface area 2653915182485976
Volume 9.3025857690205E+21
Space diagonal 36427429.105593

Equilateral Triangle

Length = n
Perimeter 63094158
Area 1.9152983062684E+14
Altitude 18213714.552796

Triangular Pyramid

Length = n
Surface area 1.9152983062684E+14
Volume 1.0963202466406E+21
Height 9914290.4389012