20921964 (number)

20921964 is an even 8-digits composite number following 20921963 and preceding 20921965. In scientific notation, it is written as 2.0921964 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 5662656 positive integers (up to 20921964) that are relatively prime to 20921964.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921964 × 10^7
Engineering notation 2.0921964 × 10^6

Prime Factorization of 20921964

Prime Factorization 2 × 2 × 21 × 19 × 13109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10460982
Product of the distinct prime numbers

The prime factorization of 20921964 is 2 × 2 × 21 × 19 × 13109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 77, 98, 382, 414, 1143, 3640, 89758, 24770, 832612, 421654, 150768, 3221667, 81384814, 51240987, 542335801, 258445992, 3886289587, 2412579323

Basic calculations (n = 20921964)

Multiplication

n×y
n×2 41843928
n×3 62765892
n×4 83687856
n×5 104609820

Division

n÷y
n÷2 10460982
n÷3 6973988
n÷3 5230491
n÷5 4184392.8

Exponentiation

ny
n2 437728577617296
n3 9.1581415426803E+21
n4 1.9160630766286E+29
n5 4.0087802710953E+36

Nth Root

y√n
2√n 4574.0533446824
3√n 275.55025472036
4√n 67.631748052837
5√n 29.115247756673

Divisors of 20921964

1, 2, 4, 19, 21, 38, 42, 76, 84, 399, 798, 1596, 13109, 26218, 52436, 249071, 275289, 498142, 550578, 996284, 1101156, 5230491, 10460982, 20921964

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 -20921963
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 20921964 can be divided by 24 positive divisors. The sum of these divisors (counting 20921964) is 1, the average is 0.041666666666667.

Base conversion 20921964

Base System Value
2 Binary 1001111110011111001101100
3 Ternary 1110100221112120
4 Quaternary 1033303321230
5 Quinary 20324000324
6 Senary 2024232540
8 Octal 117637154
10 Decimal 20921964
12 Duodecimal 700b750
16 Hexadecimal 13f3e6c
20 Vigesimal 6af4i4
36 Base36 cgfho

Cryptographic Hash Functions

md5 a38b04626c79b1905cd10c86311b1c2c
sha1 946d8712a7642637b86796d9f644ec84341b94ec
sha256 9bf7227ec97f7b35667df2dbacc869043f43a1b6cd6371f12f2c66a990a68c74
sha512 cefd23f1c406f3070b284046c90114e3af0f0e8b72b488577cd67222ae93742f3ca22a02eee4782a31d4a528935c4373ab2cf988a3adf3b0a299eb37f6cfd3d5
ripemd-160 0a3aad012e139480e94240639a68cdff82abcf50

20921964 as geometric shapes

Circle

Radius = n
Diameter 41843928
Circumference 131456576.80214
Area 1.3751648837088E+15

Sphere

Radius = n
Volume 3.8361533588026E+22
Surface area 5.5006595348352E+15
Circumference 131456576.80214

Square

Length = n
Perimeter 83687856
Area 437728577617296
Diagonal 29588125.240282

Cube

Length = n
Surface area 2626371465703776
Volume 9.1581415426803E+21
Space diagonal 36237904.642127

Equilateral Triangle

Length = n
Perimeter 62765892
Area 1.895420340895E+14
Altitude 18118952.321063

Triangular Pyramid

Length = n
Surface area 1.895420340895E+14
Volume 1.0792973313159E+21
Height 9862708.4134272