20985440 (number)

20985440 is an even 8-digits composite number following 20985439 and preceding 20985441. In scientific notation, it is written as 2.0985440 × 10^7. The sum of its digits is 32. It has a total of 9 prime factors and 96 positive divisors. There are 7004160 positive integers (up to 20985440) that are relatively prime to 20985440.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-five thousand four hundred forty

Notation

Scientific notation 2.0985440 × 10^7
Engineering notation 2.0985440 × 10^6

Prime Factorization of 20985440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 7 × 41 × 457

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1311590
Product of the distinct prime numbers

The prime factorization of 20985440 is 2 × 2 × 2 × 2 × 2 × 5 × 7 × 41 × 457. Since it has a total of 9 prime factors.

Most popular turbo-numbers

3, 7, 58, 3, 950, 412, 3865, 5822, 73581, 83393, 9549, 318907, 4868150, 3061180, 35916368, 8818923, 53232391, 489346131, 460007189, 2250657027

Basic calculations (n = 20985440)

Multiplication

n×y
n×2 41970880
n×3 62956320
n×4 83941760
n×5 104927200

Division

n÷y
n÷2 10492720
n÷3 6995146.6666667
n÷3 5246360
n÷5 4197088

Exponentiation

ny
n2 440388691993600
n3 9.2417504725102E+21
n4 1.9394220003583E+29
n5 4.06996240232E+36

Nth Root

y√n
2√n 4580.9867932575
3√n 275.82864109318
4√n 67.682987472906
5√n 29.132893143184

Divisors of 20985440

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 410, 457, 560, 574, 656, 820, 914, 1120, 1148, 1312, 1435, 1640, 1828, 2285, 2296, 2870, 3199, 3280, 3656, 4570, 4592, 5740, 6398, 6560, 7312, 9140, 9184, 11480, 12796, 14624, 15995, 18280, 18737, 22960, 25592, 31990, 36560, 37474, 45920, 51184, 63980, 73120, 74948, 93685, 102368, 127960, 131159, 149896, 187370, 255920, 262318, 299792, 374740, 511840, 524636, 599584, 655795, 749480, 1049272, 1311590, 1498960, 2098544, 2623180, 2997920, 4197088, 5246360, 10492720, 20985440

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20985439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20985440 can be divided by 96 positive divisors. The sum of these divisors (counting 20985440) is 1, the average is 0.010416666666667.

Base conversion 20985440

Base System Value
2 Binary 1010000000011011001100000
3 Ternary 1110111011121112
4 Quaternary 1100003121200
5 Quinary 20333013230
6 Senary 2025442452
8 Octal 120033140
10 Decimal 20985440
12 Duodecimal 7040428
16 Hexadecimal 1403660
20 Vigesimal 6b33c0
36 Base36 chsgw

Cryptographic Hash Functions

md5 6b49e1ea65ca241cc503a370d44e79a7
sha1 5011bd931e0d0a813ed03ed190a90b27250a909b
sha256 6b7bcc8fc0becc8480266e2beef8601e26db13252e381a2e16854a921cd47375
sha512 ce8474cdbc7e8827ad008584dd650ddaf29e1d735cf49c4b60f3469ca68271c277dd39db061b9bd7ef94d859e8fb46c631b10fe06527ed1d47f4df52856faae0
ripemd-160 9a3b9f1f76a1580dc20d709d4c6eb6a2898924ac

20985440 as geometric shapes

Circle

Radius = n
Diameter 41970880
Circumference 131855408.2727
Area 1.3835218794911E+15

Sphere

Radius = n
Volume 3.8711753854331E+22
Surface area 5.5340875179644E+15
Circumference 131855408.2727

Square

Length = n
Perimeter 83941760
Area 440388691993600
Diagonal 29677893.860367

Cube

Length = n
Surface area 2642332151961600
Volume 9.2417504725102E+21
Space diagonal 36347848.299188

Equilateral Triangle

Length = n
Perimeter 62956320
Area 1.9069389740293E+14
Altitude 18173924.149594

Triangular Pyramid

Length = n
Surface area 1.9069389740293E+14
Volume 1.089150738191E+21
Height 9892631.2867889