20421908 (number)

20421908 is an even 8-digits composite number following 20421907 and preceding 20421909. In scientific notation, it is written as 2.0421908 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 9395424 positive integers (up to 20421908) that are relatively prime to 20421908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0421908 × 10^7
Engineering notation 2.0421908 × 10^6

Prime Factorization of 20421908

Prime Factorization 2 × 2 × 13 × 647 × 607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10210954
Product of the distinct prime numbers

The prime factorization of 20421908 is 2 × 2 × 13 × 647 × 607. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 13, 84, 199, 396, 262, 4728, 51994, 2796, 299363, 236302, 6725357, 2423512, 50916995, 45735765, 791084529, 760949797, 4680641630, 5431322651

Basic calculations (n = 20421908)

Multiplication

n×y
n×2 40843816
n×3 61265724
n×4 81687632
n×5 102109540

Division

n÷y
n÷2 10210954
n÷3 6807302.6666667
n÷3 5105477
n÷5 4084381.6

Exponentiation

ny
n2 417054326360464
n3 8.5170450839354E+21
n4 1.7393431113598E+29
n5 3.5520705000624E+36

Nth Root

y√n
2√n 4519.0605218342
3√n 273.33721919256
4√n 67.22395794532
5√n 28.974721018527

Divisors of 20421908

1, 2, 4, 13, 26, 52, 607, 647, 1214, 1294, 2428, 2588, 7891, 8411, 15782, 16822, 31564, 33644, 392729, 785458, 1570916, 5105477, 10210954, 20421908

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 -20421907
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 20421908 can be divided by 24 positive divisors. The sum of these divisors (counting 20421908) is 1, the average is 0.041666666666667.

Base conversion 20421908

Base System Value
2 Binary 1001101111001110100010100
3 Ternary 1102102112120222
4 Quaternary 1031321310110
5 Quinary 20212000113
6 Senary 2005413512
8 Octal 115716424
10 Decimal 20421908
12 Duodecimal 6a0a298
16 Hexadecimal 1379d14
20 Vigesimal 67cef8
36 Base36 c5pn8

Cryptographic Hash Functions

md5 45cf92986285d5797e403fd30e3e91bc
sha1 02870e2d79916610d2b3a4b25b86725020a531bb
sha256 93b8a8f9e6c71293b3f2f0310ca041726be3d06bc7001f251690a23929e027c6
sha512 ce727aae7deecaac9a668bf9adcdb6540d3de9ad36a11a6ce5e87bca6c3d231375fca74a73f4e992a9128baa9aeaf27856ae1ab2251a075aa8a2c1ec3de5cb46
ripemd-160 ef294d1e65421bd5479e2da269b1118966e43a36

20421908 as geometric shapes

Circle

Radius = n
Diameter 40843816
Circumference 128314632.29017
Area 1.3102148078419E+15

Sphere

Radius = n
Volume 3.5676115021313E+22
Surface area 5.2408592313675E+15
Circumference 128314632.29017

Square

Length = n
Perimeter 81687632
Area 417054326360464
Diagonal 28880939.263136

Cube

Length = n
Surface area 2502325958162784
Volume 8.5170450839354E+21
Space diagonal 35371782.243497

Equilateral Triangle

Length = n
Perimeter 61265724
Area 1.8058982069318E+14
Altitude 17685891.121749

Triangular Pyramid

Length = n
Surface area 1.8058982069318E+14
Volume 1.003743389087E+21
Height 9626979.7543785