21492455 (number)

21492455 is an odd 8-digits composite number following 21492454 and preceding 21492456. In scientific notation, it is written as 2.1492455 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 16639200 positive integers (up to 21492455) that are relatively prime to 21492455.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand four hundred fifty-five

Notation

Scientific notation 2.1492455 × 10^7
Engineering notation 2.1492455 × 10^6

Prime Factorization of 21492455

Prime Factorization 31 × 5 × 138661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492455
Product of the distinct prime numbers

The prime factorization of 21492455 is 31 × 5 × 138661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492455)

Multiplication

n×y
n×2 42984910
n×3 64477365
n×4 85969820
n×5 107462275

Division

n÷y
n÷2 10746227.5
n÷3 7164151.6666667
n÷3 5373113.75
n÷5 4298491

Exponentiation

ny
n2 461925621927025
n3 9.9279156426136E+21
n4 2.1337528019267E+29
n5 4.5859586076533E+36

Nth Root

y√n
2√n 4635.9955780824
3√n 278.03235739509
4√n 68.088145650197
5√n 29.272324117129

Divisors of 21492455

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492454
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492455 can be divided by 8 positive divisors. The sum of these divisors (counting 21492455) is 1, the average is 0.125.

Base conversion 21492455

Base System Value
2 Binary 1010001111111001011100111
3 Ternary 1111102221002212
4 Quaternary 1101333023213
5 Quinary 21000224310
6 Senary 2044354035
8 Octal 121771347
10 Decimal 21492455
12 Duodecimal 724591b
16 Hexadecimal 147f2e7
20 Vigesimal 6e6b2f
36 Base36 csnon

Cryptographic Hash Functions

md5 fa37c0b93d0d6436b19c832d5f938490
sha1 6147e8f71c1197afea32a5bf022262a869d7076c
sha256 5d12b5913521f4ba0cbeb84ab147c990bfbabfe4ed61a602f0ecaa39179a1083
sha512 a013c75644bb45aab5078cae10ffd8ea385ac0c6b823832d0dbd27d16e0f3de3b4f6d38cfc66bb17fe9a66c5d8525a7d132fc3c51379abcbb25e2d9529312f88
ripemd-160 cff11f55bb6857aa3ca03552bbbaafd7eb4d020f

21492455 as geometric shapes

Circle

Radius = n
Diameter 42984910
Circumference 135041077.47122
Area 1.4511821403508E+15

Sphere

Radius = n
Volume 4.1585955797725E+22
Surface area 5.8047285614034E+15
Circumference 135041077.47122

Square

Length = n
Perimeter 85969820
Area 461925621927025
Diagonal 30394921.349693

Cube

Length = n
Surface area 2771553731562150
Volume 9.9279156426136E+21
Space diagonal 37226024.039388

Equilateral Triangle

Length = n
Perimeter 64477365
Area 2.0001966162386E+14
Altitude 18613012.019694

Triangular Pyramid

Length = n
Surface area 2.0001966162386E+14
Volume 1.17001607899E+21
Height 10131640.449898