20160921 (number)

20160921 is an odd 8-digits composite number following 20160920 and preceding 20160922. In scientific notation, it is written as 2.0160921 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12049920 positive integers (up to 20160921) that are relatively prime to 20160921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0160921 × 10^7
Engineering notation 2.0160921 × 10^6

Prime Factorization of 20160921

Prime Factorization 3 × 11 × 73 × 8369

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20160921
Product of the distinct prime numbers

The prime factorization of 20160921 is 3 × 11 × 73 × 8369. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 54, 98, 135, 595, 2722, 1114, 39623, 31981, 544940, 228658, 2454810, 3215913, 18774814, 54540747, 63305407, 199975131, 2245907025, 7402815862

Basic calculations (n = 20160921)

Multiplication

n×y
n×2 40321842
n×3 60482763
n×4 80643684
n×5 100804605

Division

n÷y
n÷2 10080460.5
n÷3 6720307
n÷3 5040230.25
n÷5 4032184.2

Exponentiation

ny
n2 406462735568241
n3 8.1946631012352E+21
n4 1.6521195540562E+29
n5 3.3308251811882E+36

Nth Root

y√n
2√n 4490.091424459
3√n 272.16782913113
4√n 67.008144463632
5√n 28.900281539714

Divisors of 20160921

1, 3, 11, 33, 73, 219, 803, 2409, 8369, 25107, 92059, 276177, 610937, 1832811, 6720307, 20160921

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20160920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20160921 can be divided by 16 positive divisors. The sum of these divisors (counting 20160921) is 1, the average is 0.0625.

Base conversion 20160921

Base System Value
2 Binary 1001100111010000110011001
3 Ternary 1101221021120210
4 Quaternary 1030322012121
5 Quinary 20130122141
6 Senary 2000041333
8 Octal 114720631
10 Decimal 20160921
12 Duodecimal 6903249
16 Hexadecimal 133a199
20 Vigesimal 660261
36 Base36 c049l

Cryptographic Hash Functions

md5 1df8a21b7a751bd66ab4ae07643be1bf
sha1 fb0c28891e7e38fc0e8c0bcdf6a2bd1bc8e1100b
sha256 073e141d5bd9695a6ddc31a24698046a6bab7cd78b95e1078e7eda8bb04f45e7
sha512 7685f47348706e2d6d95e0e0157eaf887a89d709a7814658347e5778a10911d477b10592bb588bf8aed10ccacaaa74805767be26d85b9cc1f646efd68ac5c48a
ripemd-160 6af718a251967f920243047223cd8ec7058ff36c

20160921 as geometric shapes

Circle

Radius = n
Diameter 40321842
Circumference 126674802.60641
Area 1.2769403440192E+15

Sphere

Radius = n
Volume 3.4325724529978E+22
Surface area 5.1077613760768E+15
Circumference 126674802.60641

Square

Length = n
Perimeter 80643684
Area 406462735568241
Diagonal 28511847.908133

Cube

Length = n
Surface area 2438776413409446
Volume 8.1946631012352E+21
Space diagonal 34919739.499382

Equilateral Triangle

Length = n
Perimeter 60482763
Area 1.7600352734691E+14
Altitude 17459869.749691

Triangular Pyramid

Length = n
Surface area 1.7600352734691E+14
Volume 9.6575030807043E+20
Height 9503949.3027108