21492919 (number)

21492919 is an odd 8-digits composite number following 21492918 and preceding 21492920. In scientific notation, it is written as 2.1492919 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 18422460 positive integers (up to 21492919) that are relatively prime to 21492919.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492919 × 10^7
Engineering notation 2.1492919 × 10^6

Prime Factorization of 21492919

Prime Factorization 7 × 7 × 438631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 3070417
Product of the distinct prime numbers

The prime factorization of 21492919 is 7 × 7 × 438631. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492919)

Multiplication

n×y
n×2 42985838
n×3 64478757
n×4 85971676
n×5 107464595

Division

n÷y
n÷2 10746459.5
n÷3 7164306.3333333
n÷3 5373229.75
n÷5 4298583.8

Exponentiation

ny
n2 461945567140561
n3 9.9285586569611E+21
n4 2.1339370700081E+29
n5 4.5864536596782E+36

Nth Root

y√n
2√n 4636.0456210007
3√n 278.03435819158
4√n 68.088513135482
5√n 29.272450507912

Divisors of 21492919

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492918
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492919 can be divided by 6 positive divisors. The sum of these divisors (counting 21492919) is 1, the average is 0.16666666666667.

Base conversion 21492919

Base System Value
2 Binary 1010001111111010010110111
3 Ternary 1111102221202001
4 Quaternary 1101333102313
5 Quinary 21000233134
6 Senary 2044400131
8 Octal 121772267
10 Decimal 21492919
12 Duodecimal 7246047
16 Hexadecimal 147f4b7
20 Vigesimal 6e6c5j
36 Base36 cso1j

Cryptographic Hash Functions

md5 784ef37b21378dae6bb202f88a79f1aa
sha1 4ddcf682b537c1ba2a80e3eaac4e4fdced1556ad
sha256 dc3a8ff33f2f429fc8a1d7599f876e7fb769ddf25d79234b09fb267f68e3b9c9
sha512 8a939a35dacda8d699274befccf3b864c064d064d06ef819fd4f0abfe6a3e84232364c846706981a8e49bfbc05facd6aeafcc6216a73deaea50b7db8139b121b
ripemd-160 2ec3d59a494b5e8e432af443ab1966f122929aa7

21492919 as geometric shapes

Circle

Radius = n
Diameter 42985838
Circumference 135043992.8692
Area 1.4512448000872E+15

Sphere

Radius = n
Volume 4.1588649249926E+22
Surface area 5.8049792003486E+15
Circumference 135043992.8692

Square

Length = n
Perimeter 85971676
Area 461945567140561
Diagonal 30395577.544786

Cube

Length = n
Surface area 2771673402843366
Volume 9.9285586569611E+21
Space diagonal 37226827.710962

Equilateral Triangle

Length = n
Perimeter 64478757
Area 2.0002829815467E+14
Altitude 18613413.855481

Triangular Pyramid

Length = n
Surface area 2.0002829815467E+14
Volume 1.1700918589576E+21
Height 10131859.181595