21409908 (number)

21409908 is an even 8-digits composite number following 21409907 and preceding 21409909. In scientific notation, it is written as 2.1409908 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6491520 positive integers (up to 21409908) that are relatively prime to 21409908.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred nine thousand nine hundred eight

Notation

Scientific notation 2.1409908 × 10^7
Engineering notation 2.1409908 × 10^6

Prime Factorization of 21409908

Prime Factorization 2 × 2 × 39 × 71 × 1933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10704954
Product of the distinct prime numbers

The prime factorization of 21409908 is 2 × 2 × 39 × 71 × 1933. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 41, 22, 708, 228, 2553, 5238, 51917, 65367, 467624, 407087, 3253403, 9394362, 49385643, 91500863, 292707909, 90630547, 2590728972, 2530272674

Basic calculations (n = 21409908)

Multiplication

n×y
n×2 42819816
n×3 64229724
n×4 85639632
n×5 107049540

Division

n÷y
n÷2 10704954
n÷3 7136636
n÷3 5352477
n÷5 4281981.6

Exponentiation

ny
n2 458384160568464
n3 9.813962706428E+21
n4 2.1011603866006E+29
n5 4.4985650570362E+36

Nth Root

y√n
2√n 4627.0841790484
3√n 277.67595042203
4√n 68.022674006896
5√n 29.249803997049

Divisors of 21409908

1, 2, 4, 39, 71, 78, 142, 156, 284, 1933, 2769, 3866, 5538, 7732, 11076, 75387, 137243, 150774, 274486, 301548, 548972, 5352477, 10704954, 21409908

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 -21409907
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 21409908 can be divided by 24 positive divisors. The sum of these divisors (counting 21409908) is 1, the average is 0.041666666666667.

Base conversion 21409908

Base System Value
2 Binary 1010001101011000001110100
3 Ternary 1111021201212120
4 Quaternary 1101223001310
5 Quinary 20440104113
6 Senary 2042515540
8 Octal 121530164
10 Decimal 21409908
12 Duodecimal 7205bb0
16 Hexadecimal 146b074
20 Vigesimal 6dg4f8
36 Base36 cqvzo

Cryptographic Hash Functions

md5 76b21defe493ded0782b0656ad996ad2
sha1 a41c247df059ded686e7afc444448add289adc11
sha256 151c8152e7658735607a7832122d92deb4f38e7e097124e1069bcaccf45090f1
sha512 f756193684b3cc4847626670fccb5eb748c478c2ac0a6089a68dcde6173df47472e608bd38db8e801259fb7b16e324ef5614331ffa264f272143da8d12f1e50e
ripemd-160 1069eebaec6dd541c997b9feb2bac97b8410d1b7

21409908 as geometric shapes

Circle

Radius = n
Diameter 42819816
Circumference 134522419.37367
Area 1.4400563113638E+15

Sphere

Radius = n
Volume 4.1108630854825E+22
Surface area 5.7602252454552E+15
Circumference 134522419.37367

Square

Length = n
Perimeter 85639632
Area 458384160568464
Diagonal 30278182.26276

Cube

Length = n
Surface area 2750304963410784
Volume 9.813962706428E+21
Space diagonal 37083048.441375

Equilateral Triangle

Length = n
Perimeter 64229724
Area 1.9848616387235E+14
Altitude 18541524.220688

Triangular Pyramid

Length = n
Surface area 1.9848616387235E+14
Volume 1.1565865966712E+21
Height 10092727.42092