20921960 (number)

20921960 is an even 8-digits composite number following 20921959 and preceding 20921961. In scientific notation, it is written as 2.0921960 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 8368768 positive integers (up to 20921960) that are relatively prime to 20921960.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand nine hundred sixty

Notation

Scientific notation 2.0921960 × 10^7
Engineering notation 2.0921960 × 10^6

Prime Factorization of 20921960

Prime Factorization 2 × 2 × 2 × 5 × 523049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5230490
Product of the distinct prime numbers

The prime factorization of 20921960 is 2 × 2 × 2 × 5 × 523049. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921960)

Multiplication

n×y
n×2 41843920
n×3 62765880
n×4 83687840
n×5 104609800

Division

n÷y
n÷2 10460980
n÷3 6973986.6666667
n÷3 5230490
n÷5 4184392

Exponentiation

ny
n2 437728410241600
n3 9.1581362899383E+21
n4 1.9160616113264E+29
n5 4.0087764389706E+36

Nth Root

y√n
2√n 4574.0529074334
3√n 275.55023715985
4√n 67.631744820265
5√n 29.115246643384

Divisors of 20921960

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921959
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921960 can be divided by 16 positive divisors. The sum of these divisors (counting 20921960) is 1, the average is 0.0625.

Base conversion 20921960

Base System Value
2 Binary 1001111110011111001101000
3 Ternary 1110100221112102
4 Quaternary 1033303321220
5 Quinary 20324000320
6 Senary 2024232532
8 Octal 117637150
10 Decimal 20921960
12 Duodecimal 700b748
16 Hexadecimal 13f3e68
20 Vigesimal 6af4i0
36 Base36 cgfhk

Cryptographic Hash Functions

md5 42defb1b2b9eb8ac6789a254871ca8dd
sha1 168f144423df560d2b361e8484a9e19949551deb
sha256 8ce71705d03fcc8f8a169b6156ddb0cf636ab07dc383ffff78ccc6dbf7ff368b
sha512 1e4734b7299d58e49374862325fe24ab1c6b83f5ea8425ad8f01568aeceab7588241f7a27787ef005ca4eb9b72088d12ce488894afd11e40121db63e91dffa7a
ripemd-160 9281da961614ebf9513ce41f14e928b651bcbd2b

20921960 as geometric shapes

Circle

Radius = n
Diameter 41843920
Circumference 131456551.6694
Area 1.3751643578825E+15

Sphere

Radius = n
Volume 3.8361511585393E+22
Surface area 5.5006574315302E+15
Circumference 131456551.6694

Square

Length = n
Perimeter 83687840
Area 437728410241600
Diagonal 29588119.583427

Cube

Length = n
Surface area 2626370461449600
Volume 9.1581362899383E+21
Space diagonal 36237897.713924

Equilateral Triangle

Length = n
Perimeter 62765880
Area 1.895419616137E+14
Altitude 18118948.856962

Triangular Pyramid

Length = n
Surface area 1.895419616137E+14
Volume 1.0792967122743E+21
Height 9862706.5278091