20280921 (number)

20280921 is an odd 8-digits composite number following 20280920 and preceding 20280922. In scientific notation, it is written as 2.0280921 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13155120 positive integers (up to 20280921) that are relatively prime to 20280921.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty thousand nine hundred twenty-one

Notation

Scientific notation 2.0280921 × 10^7
Engineering notation 2.0280921 × 10^6

Prime Factorization of 20280921

Prime Factorization 3 × 37 × 182711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20280921
Product of the distinct prime numbers

The prime factorization of 20280921 is 3 × 37 × 182711. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20280921)

Multiplication

n×y
n×2 40561842
n×3 60842763
n×4 81123684
n×5 101404605

Division

n÷y
n÷2 10140460.5
n÷3 6760307
n÷3 5070230.25
n÷5 4056184.2

Exponentiation

ny
n2 411315756608241
n3 8.341862365827E+21
n4 1.6918065163421E+29
n5 3.4311394305219E+36

Nth Root

y√n
2√n 4503.4343561331
3√n 272.7067521631
4√n 67.107632622028
5√n 28.93460344697

Divisors of 20280921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20280920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20280921 can be divided by 8 positive divisors. The sum of these divisors (counting 20280921) is 1, the average is 0.125.

Base conversion 20280921

Base System Value
2 Binary 1001101010111011001011001
3 Ternary 1102011101012020
4 Quaternary 1031113121121
5 Quinary 20142442141
6 Senary 2002405053
8 Octal 115273131
10 Decimal 20280921
12 Duodecimal 6960789
16 Hexadecimal 1357659
20 Vigesimal 66f261
36 Base36 c2oux

Cryptographic Hash Functions

md5 86e6514d50842fde307710d3dc807b4b
sha1 42c89f430cbdf32d5012b8ac43db5f4514ac32bf
sha256 d742b8d341cd926382f062a69a6c4cb465272871e524eddd0b631aa350d8c0d0
sha512 359921f28d4141b0a3868a1b011bcc1b131ead188ce98ba06a5fb85aa17cda3180874c359fccd97bd1e296d642ca5e8efff529fbb23570569fe8f20c8e691373
ripemd-160 9319b05677f13404226a76a14059bd18935d0b90

20280921 as geometric shapes

Circle

Radius = n
Diameter 40561842
Circumference 127428784.84327
Area 1.2921865592662E+15

Sphere

Radius = n
Volume 3.4942311367652E+22
Surface area 5.1687462370647E+15
Circumference 127428784.84327

Square

Length = n
Perimeter 81123684
Area 411315756608241
Diagonal 28681553.535617

Cube

Length = n
Surface area 2467894539649446
Volume 8.341862365827E+21
Space diagonal 35127585.596291

Equilateral Triangle

Length = n
Perimeter 60842763
Area 1.7810494709978E+14
Altitude 17563792.798145

Triangular Pyramid

Length = n
Surface area 1.7810494709978E+14
Volume 9.8309790776685E+20
Height 9560517.8452058