21431493 (number)

21431493 is an odd 8-digits composite number following 21431492 and preceding 21431494. In scientific notation, it is written as 2.1431493 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13608000 positive integers (up to 21431493) that are relatively prime to 21431493.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred ninety-three

Notation

Scientific notation 2.1431493 × 10^7
Engineering notation 2.1431493 × 10^6

Prime Factorization of 21431493

Prime Factorization 271 × 27 × 29 × 101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431493
Product of the distinct prime numbers

The prime factorization of 21431493 is 271 × 27 × 29 × 101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 42, 10, 689, 680, 9969, 8859, 17231, 76636, 795158, 346177, 143957, 2801722, 73521911, 2514747, 65546543, 121027194, 7338195433, 9339230823

Basic calculations (n = 21431493)

Multiplication

n×y
n×2 42862986
n×3 64294479
n×4 85725972
n×5 107157465

Division

n÷y
n÷2 10715746.5
n÷3 7143831
n÷3 5357873.25
n÷5 4286298.6

Exponentiation

ny
n2 459308892209049
n3 9.843675308216E+21
n4 2.109646584623E+29
n5 4.5212876010823E+36

Nth Root

y√n
2√n 4629.4160538884
3√n 277.76923468244
4√n 68.039812271114
5√n 29.255699422336

Divisors of 21431493

1, 27, 29, 101, 271, 783, 2727, 2929, 7317, 7859, 27371, 79083, 212193, 739017, 793759, 21431493

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 -21431492
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 21431493 can be divided by 16 positive divisors. The sum of these divisors (counting 21431493) is 1, the average is 0.0625.

Base conversion 21431493

Base System Value
2 Binary 1010001110000010011000101
3 Ternary 1111022211111000
4 Quaternary 1101300103011
5 Quinary 20441301433
6 Senary 2043203513
8 Octal 121602305
10 Decimal 21431493
12 Duodecimal 7216599
16 Hexadecimal 14704c5
20 Vigesimal 6diied
36 Base36 crcn9

Cryptographic Hash Functions

md5 90dbcd2f96b15e3b5bb41b710595d48d
sha1 82962a97e8935b3d711216c187ca2f22090fd0f5
sha256 de1cea3e18fe6eba16b8f57047355ef669f0e255305b93e5f69bcb55ce035def
sha512 3fb356ada417113848c2f208b5c6aaad5f1340eaddd429334d0a11c6e78351867b2947c804651bddc33a39e149bcb4942be26d4b5835de61d8a3fd8fb881fbcc
ripemd-160 cc8911f4f1bb3c9bdcd3a40c0304e07ff46f44e7

21431493 as geometric shapes

Circle

Radius = n
Diameter 42862986
Circumference 134658041.92852
Area 1.4429614414924E+15

Sphere

Radius = n
Volume 4.1233090710153E+22
Surface area 5.7718457659697E+15
Circumference 134658041.92852

Square

Length = n
Perimeter 85725972
Area 459308892209049
Diagonal 30308708.062504

Cube

Length = n
Surface area 2755853353254294
Volume 9.843675308216E+21
Space diagonal 37120434.758057

Equilateral Triangle

Length = n
Perimeter 64294479
Area 1.9888658441856E+14
Altitude 18560217.379028

Triangular Pyramid

Length = n
Surface area 1.9888658441856E+14
Volume 1.160088260373E+21
Height 10102902.687501