21490188 (number)

21490188 is an even 8-digits composite number following 21490187 and preceding 21490189. In scientific notation, it is written as 2.1490188 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6851856 positive integers (up to 21490188) that are relatively prime to 21490188.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand one hundred eighty-eight

Notation

Scientific notation 2.1490188 × 10^7
Engineering notation 2.1490188 × 10^6

Prime Factorization of 21490188

Prime Factorization 2 × 2 × 3 × 23 × 77863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745094
Product of the distinct prime numbers

The prime factorization of 21490188 is 2 × 2 × 3 × 23 × 77863. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 30, 31, 965, 392, 9828, 7951, 76185, 64623, 587201, 738348, 9358035, 4929618, 64839827, 76302956, 698404033, 131615318, 795213910, 9709896000

Basic calculations (n = 21490188)

Multiplication

n×y
n×2 42980376
n×3 64470564
n×4 85960752
n×5 107450940

Division

n÷y
n÷2 10745094
n÷3 7163396
n÷3 5372547
n÷5 4298037.6

Exponentiation

ny
n2 461828180275344
n3 9.924774417815E+21
n4 2.1328526809644E+29
n5 4.5835405090228E+36

Nth Root

y√n
2√n 4635.7510718329
3√n 278.02258153784
4√n 68.086350113903
5√n 29.271706568703

Divisors of 21490188

1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77863, 155726, 233589, 311452, 467178, 934356, 1790849, 3581698, 5372547, 7163396, 10745094, 21490188

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490187
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490188 can be divided by 24 positive divisors. The sum of these divisors (counting 21490188) is 1, the average is 0.041666666666667.

Base conversion 21490188

Base System Value
2 Binary 1010001111110101000001100
3 Ternary 1111102210222220
4 Quaternary 1101332220030
5 Quinary 21000141223
6 Senary 2044335340
8 Octal 121765014
10 Decimal 21490188
12 Duodecimal 7244550
16 Hexadecimal 147ea0c
20 Vigesimal 6e6598
36 Base36 cslxo

Cryptographic Hash Functions

md5 621fbb123394fee72aa14e389d9d5404
sha1 d8762a7bf4349979a75270e6f3f07f6946b6eabf
sha256 aa159fded6e41783672781dc7d6755ba83b44f8180c783135eacceca1899703e
sha512 93aa32c60d914f84985e18d71f8d00e63a2c8e28900bab6201eaf26efba75271d1fe46fd28c7bbef8f1bdbe122fcb45bda7f2cef8bf4cc98a1da39f114a6babc
ripemd-160 a340b6678379279b3cef4c23321bc42aa071a8e4

21490188 as geometric shapes

Circle

Radius = n
Diameter 42980376
Circumference 135026833.49013
Area 1.4508760183738E+15

Sphere

Radius = n
Volume 4.1572797866058E+22
Surface area 5.8035040734951E+15
Circumference 135026833.49013

Square

Length = n
Perimeter 85960752
Area 461828180275344
Diagonal 30391715.327548

Cube

Length = n
Surface area 2770969081652064
Volume 9.924774417815E+21
Space diagonal 37222097.480207

Equilateral Triangle

Length = n
Perimeter 64470564
Area 1.9997746815099E+14
Altitude 18611048.740103

Triangular Pyramid

Length = n
Surface area 1.9997746815099E+14
Volume 1.1696458820973E+21
Height 10130571.775849