21492868 (number)

21492868 is an even 8-digits composite number following 21492867 and preceding 21492869. In scientific notation, it is written as 2.1492868 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 10746432 positive integers (up to 21492868) that are relatively prime to 21492868.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred sixty-eight

Notation

Scientific notation 2.1492868 × 10^7
Engineering notation 2.1492868 × 10^6

Prime Factorization of 21492868

Prime Factorization 2 × 2 × 5373217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10746434
Product of the distinct prime numbers

The prime factorization of 21492868 is 2 × 2 × 5373217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492868)

Multiplication

n×y
n×2 42985736
n×3 64478604
n×4 85971472
n×5 107464340

Division

n÷y
n÷2 10746434
n÷3 7164289.3333333
n÷3 5373217
n÷5 4298573.6

Exponentiation

ny
n2 461943374865424
n3 9.9284879794571E+21
n4 2.1339168158206E+29
n5 4.5863992445412E+36

Nth Root

y√n
2√n 4636.0401206202
3√n 278.03413827786
4√n 68.088472744072
5√n 29.272436615929

Divisors of 21492868

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 -21492867
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 21492868 can be divided by 6 positive divisors. The sum of these divisors (counting 21492868) is 1, the average is 0.16666666666667.

Base conversion 21492868

Base System Value
2 Binary 1010001111111010010000100
3 Ternary 1111102221200011
4 Quaternary 1101333102010
5 Quinary 21000232433
6 Senary 2044400004
8 Octal 121772204
10 Decimal 21492868
12 Duodecimal 7246004
16 Hexadecimal 147f484
20 Vigesimal 6e6c38
36 Base36 cso04

Cryptographic Hash Functions

md5 d0d3f9d7cff8ff40f8bc55e43662947a
sha1 c2e0ffd3b19daf40361398883171e0483853340b
sha256 61ff1678046da6797ec54c42b5d35d5d3c1940ca2cf9cbd72b168d8f933a9fe3
sha512 122c913d16631c146794823c3facec3d323abdafb3b953e1061c867f5ad18d13bf51abe23ae15ed4ff34cb9a3dff9d1152b6b80716ad75ecb89953223ab54456
ripemd-160 eebed02829881e0fa43e816e19c6be825456f8c3

21492868 as geometric shapes

Circle

Radius = n
Diameter 42985736
Circumference 135043672.42675
Area 1.4512379128517E+15

Sphere

Radius = n
Volume 4.1588353196689E+22
Surface area 5.8049516514068E+15
Circumference 135043672.42675

Square

Length = n
Perimeter 85971472
Area 461943374865424
Diagonal 30395505.419895

Cube

Length = n
Surface area 2771660249192544
Volume 9.9284879794571E+21
Space diagonal 37226739.376371

Equilateral Triangle

Length = n
Perimeter 64478604
Area 2.0002734887169E+14
Altitude 18613369.688186

Triangular Pyramid

Length = n
Surface area 2.0002734887169E+14
Volume 1.1700835295339E+21
Height 10131835.139965