21290940 (number)

21290940 is an even 8-digits composite number following 21290939 and preceding 21290941. In scientific notation, it is written as 2.1290940 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 5160960 positive integers (up to 21290940) that are relatively prime to 21290940.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety thousand nine hundred forty

Notation

Scientific notation 2.1290940 × 10^7
Engineering notation 2.1290940 × 10^6

Prime Factorization of 21290940

Prime Factorization 2 × 2 × 33 × 15 × 10753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10645470
Product of the distinct prime numbers

The prime factorization of 21290940 is 2 × 2 × 33 × 15 × 10753. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21290940)

Multiplication

n×y
n×2 42581880
n×3 63872820
n×4 85163760
n×5 106454700

Division

n÷y
n÷2 10645470
n÷3 7096980
n÷3 5322735
n÷5 4258188

Exponentiation

ny
n2 453304126083600
n3 9.6512709501984E+21
n4 2.0548463072442E+29
n5 4.3749609436757E+36

Nth Root

y√n
2√n 4614.21065839
3√n 277.16067606812
4√n 67.927981409652
5√n 29.217225146154

Divisors of 21290940

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 -21290939
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 21290940 can be divided by 24 positive divisors. The sum of these divisors (counting 21290940) is 1, the average is 0.041666666666667.

Base conversion 21290940

Base System Value
2 Binary 1010001001101111110111100
3 Ternary 1111001200200100
4 Quaternary 1101031332330
5 Quinary 20422302230
6 Senary 2040201100
8 Octal 121157674
10 Decimal 21290940
12 Duodecimal 7169190
16 Hexadecimal 144dfbc
20 Vigesimal 6d1770
36 Base36 coc70

Cryptographic Hash Functions

md5 0deb67f128b43786ce7b85b81ee4dfdd
sha1 d745a65eee15ccc47ad53db7c3a1bbdd8218884d
sha256 e8bb7dbdaa8267b58ab3ddc7882b1c073bb3b34c00fc5e2885c472357c6c2b11
sha512 08ba0e4f9b4a4030fd6babb209f4d20b424560499a48ead64c7aa0e86ddabc337dbd16833fb478a7276c76a1d46c11ef5614f8487a2e5dec1a1cb82249213c3d
ripemd-160 e13e3dc15a6f36b88d5a1eb405dfa7babcd8de3e

21290940 as geometric shapes

Circle

Radius = n
Diameter 42581880
Circumference 133774921.38404
Area 1.4240969123462E+15

Sphere

Radius = n
Volume 4.042714921993E+22
Surface area 5.6963876493847E+15
Circumference 133774921.38404

Square

Length = n
Perimeter 85163760
Area 453304126083600
Diagonal 30109936.103672

Cube

Length = n
Surface area 2719824756501600
Volume 9.6512709501984E+21
Space diagonal 36876989.820901

Equilateral Triangle

Length = n
Perimeter 63872820
Area 1.9628644441435E+14
Altitude 18438494.91045

Triangular Pyramid

Length = n
Surface area 1.9628644441435E+14
Volume 1.1374131893257E+21
Height 10036645.367891