20921942 (number)

20921942 is an even 8-digits composite number following 20921941 and preceding 20921943. In scientific notation, it is written as 2.0921942 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10343344 positive integers (up to 20921942) that are relatively prime to 20921942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921942 × 10^7
Engineering notation 2.0921942 × 10^6

Prime Factorization of 20921942

Prime Factorization 2 × 89 × 117539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921942
Product of the distinct prime numbers

The prime factorization of 20921942 is 2 × 89 × 117539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921942)

Multiplication

n×y
n×2 41843884
n×3 62765826
n×4 83687768
n×5 104609710

Division

n÷y
n÷2 10460971
n÷3 6973980.6666667
n÷3 5230485.5
n÷5 4184388.4

Exponentiation

ny
n2 437727657051364
n3 9.1581126526245E+21
n4 1.9160550174768E+29
n5 4.0087591944458E+36

Nth Root

y√n
2√n 4574.0509398125
3√n 275.55015813753
4√n 67.631730273685
5√n 29.11524163358

Divisors of 20921942

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921942 can be divided by 8 positive divisors. The sum of these divisors (counting 20921942) is 1, the average is 0.125.

Base conversion 20921942

Base System Value
2 Binary 1001111110011111001010110
3 Ternary 1110100221111202
4 Quaternary 1033303321112
5 Quinary 20324000232
6 Senary 2024232502
8 Octal 117637126
10 Decimal 20921942
12 Duodecimal 700b732
16 Hexadecimal 13f3e56
20 Vigesimal 6af4h2
36 Base36 cgfh2

Cryptographic Hash Functions

md5 4dc911f68809c1c88fd49522ccc41c7b
sha1 792a79e720756e49b6eddc9757e119f9a5bfefeb
sha256 9d0cb149707e4fba910f63def8c3dcc7267b6ce284000757b554a924fd7d2236
sha512 7177f2da277dc5a18d605dd3326ad29b2c32bba5ac2ab9aaf4fc5a331f2ad507b8fa7ba8976f5393419452547998cb111edc702ddb74f1aed79f3a7b80c77831
ripemd-160 21de0c2cf85e91fa8584ecc3265a9349f1da4503

20921942 as geometric shapes

Circle

Radius = n
Diameter 41843884
Circumference 131456438.57206
Area 1.3751619916656E+15

Sphere

Radius = n
Volume 3.8361412573644E+22
Surface area 5.5006479666626E+15
Circumference 131456438.57206

Square

Length = n
Perimeter 83687768
Area 437727657051364
Diagonal 29588094.127583

Cube

Length = n
Surface area 2626365942308184
Volume 9.1581126526245E+21
Space diagonal 36237866.537009

Equilateral Triangle

Length = n
Perimeter 62765826
Area 1.8954163547276E+14
Altitude 18118933.268505

Triangular Pyramid

Length = n
Surface area 1.8954163547276E+14
Volume 1.0792939265902E+21
Height 9862698.0425278