20021908 (number)

20021908 is an even 8-digits composite number following 20021907 and preceding 20021909. In scientific notation, it is written as 2.0021908 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 9525600 positive integers (up to 20021908) that are relatively prime to 20021908.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand nine hundred eight

Notation

Scientific notation 2.0021908 × 10^7
Engineering notation 2.0021908 × 10^6

Prime Factorization of 20021908

Prime Factorization 2 × 2 × 61 × 31 × 2647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10010954
Product of the distinct prime numbers

The prime factorization of 20021908 is 2 × 2 × 61 × 31 × 2647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 84, 75, 141, 664, 7980, 9405, 99175, 84227, 824855, 760905, 3827780, 9788432, 72625475, 89792410, 213539031, 402318789, 5278109972, 3757799522

Basic calculations (n = 20021908)

Multiplication

n×y
n×2 40043816
n×3 60065724
n×4 80087632
n×5 100109540

Division

n÷y
n÷2 10010954
n÷3 6673969.3333333
n÷3 5005477
n÷5 4004381.6

Exponentiation

ny
n2 400876799960464
n3 8.0263184081428E+21
n4 1.6070220874654E+29
n5 3.2175648389201E+36

Nth Root

y√n
2√n 4474.5846734641
3√n 271.54083792748
4√n 66.892336432988
5√n 28.860316684115

Divisors of 20021908

1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2647, 3782, 5294, 7564, 10588, 82057, 161467, 164114, 322934, 328228, 645868, 5005477, 10010954, 20021908

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 -20021907
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 20021908 can be divided by 24 positive divisors. The sum of these divisors (counting 20021908) is 1, the average is 0.041666666666667.

Base conversion 20021908

Base System Value
2 Binary 1001100011000001010010100
3 Ternary 1101200012220011
4 Quaternary 1030120022110
5 Quinary 20111200113
6 Senary 1553050004
8 Octal 114301224
10 Decimal 20021908
12 Duodecimal 6856904
16 Hexadecimal 1318294
20 Vigesimal 652ef8
36 Base36 bx504

Cryptographic Hash Functions

md5 cdc404947168e79c3b0a9b6b5ea8977e
sha1 d40cc36f89b79cea8e8b20134c916cfe3ef46586
sha256 f408b88a1eb5ba11e782829f9edecc46cc727993ed27e4879f50c8fa4e560a5b
sha512 03040074613ce354f12db0ff3beb9f4c8450ae93de8b5b58bd387063c96b5fbef3ad781f0da375ed4df4876182b181025b768c30e6f7fc0911cc755a476395de
ripemd-160 56eb7daeb9d1c704c5b33cebb7786ed32a8c8705

20021908 as geometric shapes

Circle

Radius = n
Diameter 40043816
Circumference 125801358.1673
Area 1.2593916097504E+15

Sphere

Radius = n
Volume 3.3620563928525E+22
Surface area 5.0375664390015E+15
Circumference 125801358.1673

Square

Length = n
Perimeter 80087632
Area 400876799960464
Diagonal 28315253.838186

Cube

Length = n
Surface area 2405260799762784
Volume 8.0263184081428E+21
Space diagonal 34678961.92047

Equilateral Triangle

Length = n
Perimeter 60065724
Area 1.7358474627679E+14
Altitude 17339480.960235

Triangular Pyramid

Length = n
Surface area 1.7358474627679E+14
Volume 9.459106957267E+20
Height 9438417.9460621