21004890 (number)

21004890 is an even 8-digits composite number following 21004889 and preceding 21004891. In scientific notation, it is written as 2.1004890 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 5537664 positive integers (up to 21004890) that are relatively prime to 21004890.

Interesting facts

Basic properties

Name

Name twenty-one million four thousand eight hundred ninety

Notation

Scientific notation 2.1004890 × 10^7
Engineering notation 2.1004890 × 10^6

Prime Factorization of 21004890

Prime Factorization 2 × 5 × 3 × 89 × 7867

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21004890
Product of the distinct prime numbers

The prime factorization of 21004890 is 2 × 5 × 3 × 89 × 7867. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 12, 4, 510, 375, 5321, 9111, 91915, 80782, 434324, 497822, 7267703, 352783, 96562679, 89861361, 878798440, 289753368, 1508203529, 9871504098

Basic calculations (n = 21004890)

Multiplication

n×y
n×2 42009780
n×3 63014670
n×4 84019560
n×5 105024450

Division

n÷y
n÷2 10502445
n÷3 7001630
n÷3 5251222.5
n÷5 4200978

Exponentiation

ny
n2 441205403912100
n3 9.2674709765792E+21
n4 1.9466220844124E+29
n5 4.0888582754653E+36

Nth Root

y√n
2√n 4583.1092066413
3√n 275.91383048286
4√n 67.698664733075
5√n 29.138291408057

Divisors of 21004890

1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7867, 15734, 23601, 39335, 47202, 78670, 118005, 236010, 700163, 1400326, 2100489, 3500815, 4200978, 7001630, 10502445, 21004890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21004889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21004890 can be divided by 32 positive divisors. The sum of these divisors (counting 21004890) is 1, the average is 0.03125.

Base conversion 21004890

Base System Value
2 Binary 1010000001000001001011010
3 Ternary 1110112011021220
4 Quaternary 1100020021122
5 Quinary 20334124030
6 Senary 2030112510
8 Octal 120101132
10 Decimal 21004890
12 Duodecimal 704b736
16 Hexadecimal 140825a
20 Vigesimal 6b5c4a
36 Base36 ci7h6

Cryptographic Hash Functions

md5 6168883a6db9df5709ecde9d06735a96
sha1 76ba6d781eaa1b39c16ca2239ed0db3c04df739e
sha256 adac6e90ce6c7908fde1b98961493eae3411c54f2f1dda5e4d2b0b0a5d188512
sha512 01b0e581dcde39c4c18b86aade327f158262e6424e8e480212f83f39bfddcd0654dde5d5a0cd5af4a77045048ab2f616c3a2ec50d1bbc27ac6870fd7eaee769d
ripemd-160 7cde75863a863167d19abf899e57b27064a58c1a

21004890 as geometric shapes

Circle

Radius = n
Diameter 42009780
Circumference 131977616.22692
Area 1.3860876556544E+15

Sphere

Radius = n
Volume 3.8819491649837E+22
Surface area 5.5443506226175E+15
Circumference 131977616.22692

Square

Length = n
Perimeter 84019560
Area 441205403912100
Diagonal 29705400.314155

Cube

Length = n
Surface area 2647232423472600
Volume 9.2674709765792E+21
Space diagonal 36381536.687395

Equilateral Triangle

Length = n
Perimeter 63014670
Area 1.9104754403743E+14
Altitude 18190768.343698

Triangular Pyramid

Length = n
Surface area 1.9104754403743E+14
Volume 1.0921819286648E+21
Height 9901800.1047183