21001640 (number)

21001640 is an even 8-digits composite number following 21001639 and preceding 21001641. In scientific notation, it is written as 2.1001640 × 10^7. The sum of its digits is 14. It has a total of 6 prime factors and 32 positive divisors. There are 7498240 positive integers (up to 21001640) that are relatively prime to 21001640.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand six hundred forty

Notation

Scientific notation 2.1001640 × 10^7
Engineering notation 2.1001640 × 10^6

Prime Factorization of 21001640

Prime Factorization 2 × 2 × 2 × 55 × 809 × 59

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5250410
Product of the distinct prime numbers

The prime factorization of 21001640 is 2 × 2 × 2 × 55 × 809 × 59. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 8, 31, 18, 881, 856, 8457, 8264, 51996, 34468, 425784, 285087, 5646287, 8570933, 38007527, 71834756, 410113458, 528221587, 7536143382, 7521666364

Basic calculations (n = 21001640)

Multiplication

n×y
n×2 42003280
n×3 63004920
n×4 84006560
n×5 105008200

Division

n÷y
n÷2 10500820
n÷3 7000546.6666667
n÷3 5250410
n÷5 4200328

Exponentiation

ny
n2 441068882689600
n3 9.2631698894492E+21
n4 1.9454175927705E+29
n5 4.0856959933033E+36

Nth Root

y√n
2√n 4582.7546301324
3√n 275.89959941251
4√n 67.696045897323
5√n 29.137389662715

Divisors of 21001640

1, 2, 4, 8, 55, 59, 110, 118, 220, 236, 440, 472, 809, 1618, 3236, 3245, 6472, 6490, 12980, 25960, 44495, 47731, 88990, 95462, 177980, 190924, 355960, 381848, 2625205, 5250410, 10500820, 21001640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21001639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001640 can be divided by 32 positive divisors. The sum of these divisors (counting 21001640) is 1, the average is 0.03125.

Base conversion 21001640

Base System Value
2 Binary 1010000000111010110101000
3 Ternary 1110111222211112
4 Quaternary 1100013112220
5 Quinary 20334023030
6 Senary 2030045452
8 Octal 120072650
10 Decimal 21001640
12 Duodecimal 7049888
16 Hexadecimal 14075a8
20 Vigesimal 6b5420
36 Base36 ci4yw

Cryptographic Hash Functions

md5 e0ce52630eedb4ad37e1adda8240d348
sha1 e2e9bfb4b60631f36b7f89e01cd3ae1f34dc92a2
sha256 e418f73a5405cfe157b45526464f0b7b7c1f76efa08a823d04e322650b4d0ec0
sha512 e35ad3a4daa52da789d011d34d2aeddde4c38b7aafc253f9b8781d572a12842e10fbdf6c7e4cd509a2f08a7cad86d932fc25262d4da41fdf09e0c046d8bfaed4
ripemd-160 0ed25248573ac33bd7495cf0a6b1e32137b2a2ba

21001640 as geometric shapes

Circle

Radius = n
Diameter 42003280
Circumference 131957195.87468
Area 1.3856587615847E+15

Sphere

Radius = n
Volume 3.8801475298197E+22
Surface area 5.5426350463388E+15
Circumference 131957195.87468

Square

Length = n
Perimeter 84006560
Area 441068882689600
Diagonal 29700804.120077

Cube

Length = n
Surface area 2646413296137600
Volume 9.2631698894492E+21
Space diagonal 36375907.522271

Equilateral Triangle

Length = n
Perimeter 63004920
Area 1.9098842861401E+14
Altitude 18187953.761135

Triangular Pyramid

Length = n
Surface area 1.9098842861401E+14
Volume 1.0916750406854E+21
Height 9900268.0400258