21492918 (number)

21492918 is an even 8-digits composite number following 21492917 and preceding 21492919. In scientific notation, it is written as 2.1492918 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 7141608 positive integers (up to 21492918) that are relatively prime to 21492918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492918 × 10^7
Engineering notation 2.1492918 × 10^6

Prime Factorization of 21492918

Prime Factorization 2 × 3 × 9 × 619 × 643

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21492918
Product of the distinct prime numbers

The prime factorization of 21492918 is 2 × 3 × 9 × 619 × 643. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 10, 3, 152, 730, 2277, 7300, 52189, 71880, 778805, 648516, 4617184, 8807394, 82745758, 24539595, 747636726, 564729045, 6447010215, 3870112008

Basic calculations (n = 21492918)

Multiplication

n×y
n×2 42985836
n×3 64478754
n×4 85971672
n×5 107464590

Division

n÷y
n÷2 10746459
n÷3 7164306
n÷3 5373229.5
n÷5 4298583.6

Exponentiation

ny
n2 461945524154724
n3 9.9285572711245E+21
n4 2.1339366728658E+29
n5 4.5864525927098E+36

Nth Root

y√n
2√n 4636.0455131502
3√n 278.03435387955
4√n 68.088512343494
5√n 29.272450235521

Divisors of 21492918

1, 2, 3, 6, 9, 18, 27, 54, 619, 643, 1238, 1286, 1857, 1929, 3714, 3858, 5571, 5787, 11142, 11574, 16713, 17361, 33426, 34722, 398017, 796034, 1194051, 2388102, 3582153, 7164306, 10746459, 21492918

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492918 can be divided by 32 positive divisors. The sum of these divisors (counting 21492918) is 1, the average is 0.03125.

Base conversion 21492918

Base System Value
2 Binary 1010001111111010010110110
3 Ternary 1111102221202000
4 Quaternary 1101333102312
5 Quinary 21000233133
6 Senary 2044400130
8 Octal 121772266
10 Decimal 21492918
12 Duodecimal 7246046
16 Hexadecimal 147f4b6
20 Vigesimal 6e6c5i
36 Base36 cso1i

Cryptographic Hash Functions

md5 fc942b77ac08da55cff7687edceeff78
sha1 099f006b99184480db2aff52a82e987d40f0ceb8
sha256 56c9149fc8f55dc71d412a897e0771179f9a97ffce005143327bfd4a2808c69e
sha512 a7df7be9f1c956dec57bb92f3fbeb262c378a0057a8f6e986413e7fdf38dabc07896c020c868bbab96f5bffdf02f9a484faa83fbb07a2bb4a55f46b7dc49a425
ripemd-160 de23afc8a8e0b16620d06fd8b1957048c742bd98

21492918 as geometric shapes

Circle

Radius = n
Diameter 42985836
Circumference 135043986.58602
Area 1.4512446650432E+15

Sphere

Radius = n
Volume 4.1588643444947E+22
Surface area 5.8049786601727E+15
Circumference 135043986.58602

Square

Length = n
Perimeter 85971672
Area 461945524154724
Diagonal 30395576.130573

Cube

Length = n
Surface area 2771673144928344
Volume 9.9285572711245E+21
Space diagonal 37226825.978912

Equilateral Triangle

Length = n
Perimeter 64478754
Area 2.0002827954125E+14
Altitude 18613412.989456

Triangular Pyramid

Length = n
Surface area 2.0002827954125E+14
Volume 1.1700916956352E+21
Height 10131858.710191