21001840 (number)

21001840 is an even 8-digits composite number following 21001839 and preceding 21001841. In scientific notation, it is written as 2.1001840 × 10^7. The sum of its digits is 16. It has a total of 8 prime factors and 80 positive divisors. There are 7741440 positive integers (up to 21001840) that are relatively prime to 21001840.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand eight hundred forty

Notation

Scientific notation 2.1001840 × 10^7
Engineering notation 2.1001840 × 10^6

Prime Factorization of 21001840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 19 × 41 × 337

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2625230
Product of the distinct prime numbers

The prime factorization of 21001840 is 2 × 2 × 2 × 2 × 5 × 19 × 41 × 337. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 8, 74, 71, 691, 389, 5417, 739, 2138, 21980, 927087, 757867, 9799914, 9304300, 26277501, 75070136, 32286432, 97094844, 1324257766, 6768854062

Basic calculations (n = 21001840)

Multiplication

n×y
n×2 42003680
n×3 63005520
n×4 84007360
n×5 105009200

Division

n÷y
n÷2 10500920
n÷3 7000613.3333333
n÷3 5250460
n÷5 4200368

Exponentiation

ny
n2 441077283385600
n3 9.263434533299E+21
n4 1.9454916991882E+29
n5 4.0858905387679E+36

Nth Root

y√n
2√n 4582.7764510174
3√n 275.90047521308
4√n 67.696207065222
5√n 29.13744515796

Divisors of 21001840

1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 337, 380, 410, 656, 674, 760, 779, 820, 1348, 1520, 1558, 1640, 1685, 2696, 3116, 3280, 3370, 3895, 5392, 6232, 6403, 6740, 7790, 12464, 12806, 13480, 13817, 15580, 25612, 26960, 27634, 31160, 32015, 51224, 55268, 62320, 64030, 69085, 102448, 110536, 128060, 138170, 221072, 256120, 262523, 276340, 512240, 525046, 552680, 1050092, 1105360, 1312615, 2100184, 2625230, 4200368, 5250460, 10500920, 21001840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21001839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001840 can be divided by 80 positive divisors. The sum of these divisors (counting 21001840) is 1, the average is 0.0125.

Base conversion 21001840

Base System Value
2 Binary 1010000000111011001110000
3 Ternary 1110112000002221
4 Quaternary 1100013121300
5 Quinary 20334024330
6 Senary 2030050424
8 Octal 120073160
10 Decimal 21001840
12 Duodecimal 7049a14
16 Hexadecimal 1407670
20 Vigesimal 6b54c0
36 Base36 ci54g

Cryptographic Hash Functions

md5 6f6ef1380e75ee7639a9e343eae9ba15
sha1 97a8c04840806338bef38d2652f9d16529a35497
sha256 406ed1008276528abed2d988d1abdf2cf6e3f3444e27c7638304f55bcb93c90a
sha512 c894573006013503bdf0fb83a21b2e50c5d6c8e9d487f0be87b0e7e66cca6948fde0841a11ae384e946118effbd6452661b21095c27767f36af8af3e635defa2
ripemd-160 62f3f617afe55d3d615264983d56198b9b38db1f

21001840 as geometric shapes

Circle

Radius = n
Diameter 42003680
Circumference 131958452.51174
Area 1.3856851531495E+15

Sphere

Radius = n
Volume 3.8802583835763E+22
Surface area 5.5427406125982E+15
Circumference 131958452.51174

Square

Length = n
Perimeter 84007360
Area 441077283385600
Diagonal 29701086.96279

Cube

Length = n
Surface area 2646463700313600
Volume 9.263434533299E+21
Space diagonal 36376253.932432

Equilateral Triangle

Length = n
Perimeter 63005520
Area 1.9099206622208E+14
Altitude 18188126.966216

Triangular Pyramid

Length = n
Surface area 1.9099206622208E+14
Volume 1.0917062292622E+21
Height 9900362.3209299