21490180 (number)

21490180 is an even 8-digits composite number following 21490179 and preceding 21490181. In scientific notation, it is written as 2.1490180 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 8596064 positive integers (up to 21490180) that are relatively prime to 21490180.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490180 × 10^7
Engineering notation 2.1490180 × 10^6

Prime Factorization of 21490180

Prime Factorization 2 × 2 × 5 × 1074509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745090
Product of the distinct prime numbers

The prime factorization of 21490180 is 2 × 2 × 5 × 1074509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 65, 30, 745, 249, 7979, 3627, 28798, 77387, 443078, 242506, 7223999, 7694561, 11303871, 42732602, 896750319, 149752256, 9619176309, 9542293711

Basic calculations (n = 21490180)

Multiplication

n×y
n×2 42980360
n×3 64470540
n×4 85960720
n×5 107450900

Division

n÷y
n÷2 10745090
n÷3 7163393.3333333
n÷3 5372545
n÷5 4298036

Exponentiation

ny
n2 461827836432400
n3 9.9247633339428E+21
n4 2.1328495050383E+29
n5 4.5835319776184E+36

Nth Root

y√n
2√n 4635.7502089737
3√n 278.02254703867
4√n 68.086343777396
5√n 29.271704389348

Divisors of 21490180

1, 2, 4, 5, 10, 20, 1074509, 2149018, 4298036, 5372545, 10745090, 21490180

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490179
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490180 can be divided by 12 positive divisors. The sum of these divisors (counting 21490180) is 1, the average is 0.083333333333333.

Base conversion 21490180

Base System Value
2 Binary 1010001111110101000000100
3 Ternary 1111102210222121
4 Quaternary 1101332220010
5 Quinary 21000141210
6 Senary 2044335324
8 Octal 121765004
10 Decimal 21490180
12 Duodecimal 7244544
16 Hexadecimal 147ea04
20 Vigesimal 6e6590
36 Base36 cslxg

Cryptographic Hash Functions

md5 f745eb7fd7453abe782fd0e403365d58
sha1 07dd956f3a9d6464d43de594de31e54e575e5c9f
sha256 2c1fcb3412dd34e5b7b29f2fecf39cc61ab037f2150b3527315360d89accfa20
sha512 cc2e98fd776ab51aba4a34082a817d75fdbe2baf51ff67d61f91292bc268ba2ddc31199f4b7e20653b16cc7e4f1edb6445aa0f69a127fd651b170f7f10937aef
ripemd-160 8373e9d894691fed097624b02c7ac50010f5a873

21490180 as geometric shapes

Circle

Radius = n
Diameter 42980360
Circumference 135026783.22464
Area 1.4508749381593E+15

Sphere

Radius = n
Volume 4.1572751438043E+22
Surface area 5.8034997526372E+15
Circumference 135026783.22464

Square

Length = n
Perimeter 85960720
Area 461827836432400
Diagonal 30391704.013839

Cube

Length = n
Surface area 2770967018594400
Volume 9.9247633339428E+21
Space diagonal 37222083.623801

Equilateral Triangle

Length = n
Perimeter 64470540
Area 1.9997731926263E+14
Altitude 18611041.8119

Triangular Pyramid

Length = n
Surface area 1.9997731926263E+14
Volume 1.1696445758504E+21
Height 10130568.004613